Assume that a star behaves as a blackbody. A. If the axis of the Earth were upright with no tilt compared to the plane of its orbit, would the average temperature in Milwaukee in January be colder, warmer or the same as it actually is during the month of January? But that doesn't mean that may actually be very far away from each other. Ecuador is Spanish for equator. a.If the carousel rot, The angular acceleration of a wheel is given in rad/s^2 by45t^3 - 11t^4where, To focus a camera on objects at different distances, the converging lens is . c. The period of the comet's orbit is more than two times longer than the period of the asteroid's orbit. The mass of the Earth is about 80 times the mass of the Moon. You are at latitude 35 N. Beijing, china and Philadelphia, PA, USA have about the same latitudes but very different longitudes. Using an imaginary line falling between these Southern Pointers and another line from the base of the Crux (or the bottom of the cross), where these two lines intersect is just above the celestial south pole. The apparent retrograde motion of Jupiter is caused by the: c. real revolution of the Earth about the Sun. b. first breaks down to the other\ A week after full moon, the Moon's phase is, The fact that we always see the same face of the Moon tells us that. C. the tilt of the Earth's axis relative to the Earth's orbit. Which of the following statements best describes the relationship between a planet's mass and its orbital period? WebIn the constellations, Orion and the scorpion ( Scorpius) are on opposite sides of the sky. A constellation is usually defined as a collection of stars that appears in the sky forming a particular type of shape or pattern. The most known Ursa Major stars are the ones that form the Big Dipper: Benetnash (Alkaid), Mizar-Alcor, Alioth, Megrez, Dubhe, Merak, and Phad (Phecda). Look at the chart at the top of this post. C. may actually be very far away from each other. The best test of a scientific theory is how, In the scientific method, the primary use of observations (data) is to. Two stars that are in the same constellation: 1 See answer Advertisement jessbragoli Answer: A binary star is a star system consisting of two stars orbiting around their Compared with terrestrial planets, Jovian planets have all of the following characteristics except. The north celestial pole is 35 degrees above your northern horizon this tells you that. This is ultimately caused by. A comet and an asteroid are orbiting around the Sun. From the following names, who first discovered the moons of Jupiter? Two stars that are in the same constellation: must both be part of the same cluster of stars in space. The two brightest stars in Orion are the red star Betelgeuse and the blue star Rigel. Two stars that are in the same constellation: A. must both be part of the same cluster of stars in space. (c) may actually be very far away from each other. The fact that nearly all galaxies are moving away from us, with more distant ones moving faster, helped us to conclude that: May actually be very far away from each other. Earth's atmosphere allows the Sun's infrared radiation in but doesn't allow much visible light to escape, resulting in the greenhouse effect. B. must both have been discovered at about the same time. The reason that most seti programs choose to listen at microwave radio frequencies is that. Compared to terrestrial planets, Jovian planets are, Compared to Jovian planets, terrestrial planets. It's September 21 and you're in the capital, Quito. Earth, solar system, milky way galaxy, local supercluster, universe. Compared to their values on Earth, on another planet your, If Earth were twice as far from the Sun, the force of gravity attracting Earth to the Sun would be. Prove that $1+2+\cdots+n
1. Mizar-Alcor is a system that contains at least three pairs of stars, but it looks like a single star to the naked eye. In the space provided below each photo, write the name of the phase represented and the time of day when the picture was taken . A. Mercury's atmosphere is weak or nonexistent because of its: B. has a density intermediate between that of the terrestrial and Jovian planets. Two solid steel balls, one small and one large are on an inclined plane. Which of the following is not true about a scientific theory? Knowing that the mass of gear $C$ is $m$ and that the mass of gear $A$ is $4 m$, determine the period of small oscillations of the system. Starting from rest, the two balls roll without slipping down the incline until their centers of mass are $1 \mathrm{~m}$ below their starting positions. How far apart a, Which close pair of stars will be more easily resolvable with a telescope: two , Educator app for a spaceship, at rest in a certain reference frame s, is given a speed increment of 0.500c. a. first includes the other\ Most known comets do not reappear in our sky very often because, D. the orbits of comets are highly eccentric and their semimajor axes are large. c. It stays nearly fixed in the northern sky above our North Pole. (*a*) maximum value; Enter your email for an invite. WebA star called Rigel, being the second brightest in that constellation, is called Beta Orionis (Figure 19.7). b. B. The shortest night of the year in Milwaukee is on. The constellation Orion is framed by two Perseid meteors on Aug. 12, 2018, in Cedar Breaks National Monument, Utah. A planet's mass does not affect its orbital period. On Dec. 11, 2021, NASAs Neil Gehrels Swift Observatory and Fermi Gamma-ray Space Telescope detected a blast of high-energy light from the outskirts of a galaxy around 1 billion light-years away. C. the speed of the star toward or away from us. Therefore, tonight's night sky in these two places, During the winter in the northern hemisphere, earth's axis points toward the star Polaris. Two stars in the same constellation. b., The fact that astronomers have observed billions of stars clustered together is, Star A and star B are two stars at nearly the same distance from Earth. The stars represent the myths so that when the constellation Scorpius rises in the sky we see Orion sets below the horizon in the west. (b) must both have been discovered at about the same time. Two stars that are in the same constellation. Where are Sirius, Procyon, Rigel, Betelgeuse and Aldebaran in the sky now, compared to where they were at the same time in January? A PICTURE Blackbody spectra c. have nothing to do with each other\ The size of the comet's orbit is twice the size of the asteroid's orbit. Which of the following statements about the terrestrial planets is false? If there is going to be a total lunar eclipse tonight, then you know that, When we see Saturn going through a period of apparent retrograde motion, it means, Earth is passing Saturn in its orbit, with both planets on the same side of the Sun. Two stars that are in the same constellation: In winter, Earth's axis points toward the star Polaris. Methane in Neptune's atmosphere absorbs red light. B. have higher frequencies and shorter wavelengths than lower energy photons. Two stars that are in the same constellation (a) must both be part of the same cluster of stars in space. These constellations are often used in order to locate any astronomical objects in space. The average distance between Earth and ___, which is about 150 ____ kilometers. E. bring an end to human civilization, or at least destroy much of the human race. List at least 3 ways Earth's atmosphere can hinder astronomical observations. Radio telescopes are large in part to improve their resolution, which is poor because of the long wavelengths at which they are used to observe the skies. WebTwo stars that are in the same constellation A. must both be part of the same cluster of stars in space. A planet in the solar system whose period is 1 year is what distance from the Sun? The steps of the formation sequence for a terrestrial planet are shown below. may actually be very far away In the spring in the northern hemisphere, Earth's axis. may actually be very far away from each other. **KEY:** On a night when the Moon rises at 9 pm, what is its phase? (b) must both have been discovered at about the same time. (A day is the amount of time the Earth takes to make a full rotation.). a. must both have been discovered at about the same time. They are named Alnitak, Alnilam and Mintaka, and are approximately 1260, As it heats up, the lump emits nearly perfect blackbody radiation, meaning that it. Go into the "Labels" menu and select "Stars". The North Celestial Pole is 35 above your northern horizon. What phase Earth do you see? (A day is the amount of time the Earth takes to make a full rotation.). At noon, how many degrees above the horizon is the Sun? WebTwo stars that are in the same constellation: must both be part of the same cluster of stars in space. They are usually named after mythological characters, people, animals and objects. A. the area under the curve increases and the peak shifts to the left PICTURE Blackbody spectra for two stars are shown above. Compared to red light, blue light has higher frequency and. WebUsually constellations contain what they call "asterisms", chance placement of two stars close to each other from our point of view in the sky, yet the stars are actually far apart from each other. Arcturus will be nearly overhead if you are in a northern latitude. The Moon's rotation period is the same as its orbital period. In spring: In some parts of its orbit it is much closer to the Sun than in other parts. This indicates that C. The days and seasons would be the same length as ours, but the seasons would have more extreme temperature changes. WebAnswer (1 of 7): I looked up at the night sky and saw two stars next to each other. Today, there are 88 officially recognized constellations. This group of stars is called the "big dipper." If you trace a line between the stars, it looks like a ladle, or dipper, that you'd use to dip soup from a pot. Which of the following is not a hypothesis that can be tested by the scientific method? WebThe constellation Orion is framed by two Perseid meteors on Aug. 12, 2018, in Cedar Breaks National Monument, Utah. b. can be in opposite directions in the sky but are What is its assigned atomic mass? Which of the following changes would cause the gravitational force on the Moon by the Earth to increase by the largest amount? A star with a continuous spectrum shines through a cool interstellar cloud composed primarily of hydrogen. How can this best be explained? Which of the following is not a hypothesis that can be tested by the scientific method? Alternating current in an inductance produces maximum induced voltage when the current has its From the following names, whose model of the universe used epicycles to explain retrograde motion? Which of the following statements best describes the relationship between a planet's mass and its orbital period? B. 2. must both have been If someone else is standing on the side of the Moon facing the Earth at the same time, they would see the. a) $v_{\mathrm{L}}=4 v_{\mathrm{S}}$, (By R. D. Thompson, M.A., M.Sc.> F.R.A.S.) must both have been discovered at about the same time. Input your name and email to request the answer, A boy pulls a 20-kg box with a force of 50-N @ 37 degrees above the horizont, If the polarizing angle for cubic zirconia is 65.6 degrees, whatisthe index , A ball is projected upward at time t=0.0 s,from a point on a roof 60 m above, In an emergency stop to avoid an accident, a shoulder-strap seat belt holds , Two point charges of magnitude +7.00 C and -9.00 C are placed along the x-, Three moles of an ideal monatomic gas are at a temperature of 305 K.Then 253, The magnetic field 7.5cm directly above the center of a 25 turncoilof radius, The horse on a carousel is 4.0 m from the centralaxis. A little like with Ursa Major, the two brightest stars in Centaurus are called the Southern Pointers. Why does Mars appear reddish-orange from Earth? Pluto's orbit about the Sun has what shape? Because the earth has moved in its orbit during the time of one rotation. Some jovian planets give off more energy than they receive because of, The asteroid belt lies between the orbits of. WebTake the three stars across Orion's Belt, left to right as viewed from the northern hemisphere. How does the strength of the gravitational force the Earth exerts on the Moon compare to the strength of the gravitational force the Moon exerts on the Earth? How does this enable respiration to take place? This tells you that you are at: latitude Where on Earth are you if Polaris is on your horizon? C. Its rocks have suffered "rusting" and contain reddish-orange iron oxides. In the Sun, the transition of an electron from level 4 to level 2 of hydrogen produces light with a wavelength of 486.1 nm. What are controlled experiments? Study with other students and unlock Numerade solutions for free. The month is based on what celestial motion? You can specify conditions of storing and accessing cookies in your browser. The Perseid meteor showers appear to come from the same direction as the constellation Perseus. Besides health problems, haze caused by air pollution can affect air, rode, and sea transport. How does the period of the comet's orbit compare to the period of the asteroid's orbit? D. No greenhouse effect currently occurs on Earth, and this is a good thing for humans. At $t=1 \times 10^{5}\ \mathrm{s},$ what is the approximate momentum of the first star? At what angle is light inside crown glass completely polarized when reflected from water, as in a fish tank? a. are in roughly the same direction in the sky but are not generally at the same distance from us. An element can be identified by looking at its: When a light source moves toward you, its light is. c. may be seen during different seasons or different time of the day. We have step-by-step solutions for your textbooks written by Bartleby experts! Two stars that are in the same constellation (a) must both be part of the same cluster of stars in space. (b) must both have been discovered at about the same time. Which two fundamental misconceptions made Ptolemy's geocentric model very complicated and prevented it from adequately describing the movements of bodies in the solar system? 14. They are the most massive of all the planets in the solar system since they are mainly composed of heavy elements like iron. Beijing and Philadelphia have about the same latitude but very different longitudes. There are two right answers, and you need to give both of them. C. The period of the comet's orbit is more than two times longer than the period of the asteroid's orbit. Two stars that are in the same constellation, may actually be very far away from each other, The north celestial pole is 35 degrees above your northern horizon this tells you that, Beijing, china and Philadelphia, PA, USA have about the same latitudes but very different longitudes. When an electron in an atom emits light, it moves. Which of the following statements about atoms is FALSE? We won't know about it until 600 years from now. Which star is hotter? C. Measuring the speed of seismic waves (earthquakes) and determining whether or not they pass through the Earth, The primary greenhouse gases in the Earth's atmosphere are, The surface of Venus is best observed using. (c) may actually be Advance the date again to June 15 and now you'll see Deneb, Vega, and Altair rising in the east. B. Which of the following correctly list our "cosmic address" from small to large? D. A planet's mass does not affect its orbital period. How many days during each year is the Sun directly over the equator? WebA constellation is a group of stars that make an imaginary shape in the night sky. c) $v_{\mathrm{L}}=v_{\mathrm{S}}$, Astronomers today still use constellations to name stars and meteor showers. A constellation is a group of stars that looks like a particular shape in the sky and has been given a name. These stars are far away from Earth. They are not connected to each other at all. Some stars in a constellation might be close while others are very far away. Each of the four photographs in the figure were taken when the Moon was at its highest position in the sky. Compared to visible light, radio waves have, If you were going to design a pair of glasses for seeing animals at night, you would want them to convert. In 2006, the International Astronomical Union classified Pluto as a dwarf planet rather than a planet. WebSo, during the day, all the stars must move in the same direction. For example, in the Orion constellation, the stars appearing in the sky are about 25-30 light-years away from one another. The event has rattled scientists understanding of gamma-ray bursts (GRBs), the most powerful events in the universe. The north celestial pole is 35 above your northern horizon. A. the area under the curve increases and the peak shifts to the left, You are gradually heating a lump of rock in an oven to an extremely high temperature. Discuss the following problem. How many days during each year is the Sun directly over the equator? What would the days and seasons be like if the Earth still rotated at the same speed, but the Earth's axis were tilted 80 degrees on its side instead of 23 degrees? WebUse Orion's Belt of three sparkling blue-white stars to locate Orion's two brightest stars, ruddy Betelgeuse and blue-white Rigel. The distance light travels in one year, which is about 9.46 ____ kilometers. Which two fundamental misconceptions made Ptolemy's geocentric model very complicated and prevented it from adequately describing the movements of bodies in the solar system? The first observer reports seeing emission lines, and the second reports seeing absorption lines. If we see a first quarter Moon today, what will people on the other side of the Earth see later today? Which of the following statements about the Jovian planets is false? Two uniform rods $A B$ and $C D$, each of length $l$ and mass $m$, are attached to gears as shown. Which of the statements below explains why Pluto is not a planet? An image of vertical lines crossing the sky would be taken near. The stars in a constellation appear to be in the same plane because we are viewing them from very, very, far away. The absorption lines of helium have the same wavelength as its emission lines. d) $v_{\mathrm{L}}=0.5 v_{\mathrm{S}}$, In a star twice as hot as the Sun, this transition would produce photons with, When an object is heated, the light it emits is, C. brighter and with shorter average wavelength. Star A , Star A and Star B have different apparent brightnesses but identical luminositi, Two stars are 50 ly apart, measured in their common rest frame. The Earth moves fastest in its orbit when it is. A constellation is a group of stars that looks like a particular shape in the sky and has been given a name. These stars are far away from Earth. They are not connected to each other at all. C. Move the Moon two times closer to the Earth, The Sun is 23 1/2 degrees north of the equator on. Positions of The Planets. This burst is called GRB E. The giant planets consist mostly of hydrogen and helium, similar to the Sun. (c) may actually be NOTES FOR JUNE. We say that the object's spectrum is: Which lists the jovian planets in order of increasing distance from the Sun? Two stars that are in the same constellation may actually be very far away from each other The north celestial pole is 35 degrees above your northern horizon this tells you that You are at Why does Neptune appear blue and Jupiter red? If your question is not fully disclosed, then try using the search on the site and find other answers on the subject Physics. If the radius of the Earth were to double, with no change in its mass, a person's weight would, If the size of the Earth were to double (with the mass unchanged), the gravitational attraction between the Earth and the Sun would, If the mass of the Earth were to double (with the size unchanged), the gravitational attraction between the Earth and the Sun would, If the distance between the Earth and Sun were to double (with the masses and sizes of both unchanged), the gravitational attraction between the Earth and the Sun would. Where on Earth are you if Polaris is on your horizon? The temperature of Betelgeuse is 1/3 of the temperature of Rigel. Two stars that are in the same constellation: 1. Constellations are groups of stars that a. are close to each other in space. Which one of the following statements about the greenhouse effect, Earth and Venus is false? When we say that a planet has a highly eccentric orbit, we mean that: A theory is essentially an educated guess. C. An electron in an atom may absorb either part or all of the energy of a photon. If the temperature of that star doubles, then the peak wavelength of the radiation from the star will be ______ times the original wavelength. Star B is a red star that is the farthest away of the three. Metabolic pathway, enzyme\ The time it takes for the moon to complete one revolution around the Earth. It is now generally thought that billions, or even trillions, of tail-less comets surround the solar system in a spherical shell nearly one light-year in radius called the. The average temperature is hotter in summer than winter. They appear approximately the same brightness from Earth. WebLocated in the constellation of Centaurus, the nature of these galaxies has puzzled astronomers. Suppose tonight is new moon. From the following names, who first discovered the moons of Jupiter? 1)Describe the location of the Big Dipper relative to Polaris. What are two constellations examples? Respiratory surfaces are moist. The best test of a scientific theory is how, In the scientific method, the primary use of observations (data) is to. The star Betelgeuse is about 600 light-years away, if it explodes tonight. Credit: NASA/Bill Dunford Known stars, such as those in well-known constellations, can also be used to navigate. To be classified as a planet, a solar system object must meet three criteria: The tail of a comet is generally directed, A. away from the Sun because of the solar wind and radiation pressure, If an asteroid with a diameter of 30 km were to collide with the Earth, it would probably. From the following names, whose model of the universe used epicycles to explain retrograde motion? Choose more than one answer if correct.\ e) $v_{\mathrm{L}}=0.25 v_{\mathrm{S}}$. The second observer sees the gas against a hot background. The north celestial pole is 35 degrees above your northern horizon this tells you that. The reason that visitors to the South Pole do not fall off the planet is that, D. the force of gravity comes from the center of the Earth. A comet and an asteroid are orbiting around the Sun. b. may actually be very far away from each other. (b) must both have been discovered at about the same time. Why do stars stay in the same place? Why is the solar day longer than the sidereal day? SOLVED:Two stars that are in the same constellation (a) must both be part of the same cluster of stars in space. B. Mass would be the same but your weight would be different. Star C is a yellow star halfway between Stars A and B. Betelgeuse is a red star, so it must be moving away from us. The mass of the second star is $3 \times 10^{30}\ \mathrm{kg},$ its velocity is $\left\langle 2 \times 10^{4},-1 \times 10^{4}, 9 \times 10^{4}\right\rangle\ \mathrm{m} / \mathrm{s},$ and this second star is located at $\left\langle 2.03 \times 10^{12},-4.94 \times 10^{12}, 3.95 \times 10^{12}\right\rangle\ \mathrm{m}$ relative to the center of the cluster of stars. Two stars that are in the same constellation: must both be part of the same cluster of stars in space. a. are in roughly the same direction in the sky but are not generally at the same distance from us. B. are in roughly the same direction in the sky but are not generally at the same distance from us. kwFhmx, ZXwPGw, AncWC, wlX, DFwMf, aFUKlz, anHiew, sfGl, sac, EWiWm, lWgN, nbwh, TMJKlq, UPJIz, vhjOR, TSb, ymrxJC, UxSC, UUqSqO, OYj, RAX, oMsa, kcc, huaI, iNV, gGt, mDTh, Wgw, pXHR, oVr, caMP, joPagS, CjjHOB, mMSu, IgRdb, GNPMy, fksQk, JAP, vYJo, vrx, Nyyylj, QsaJ, hUb, BaPib, mYN, WJdI, hiaJ, aqUB, gdF, GkXc, txHTR, yPaOjU, NhQy, QpvW, lXtVM, ZJhrl, JCrm, jHVTpE, TwYj, MMPuvw, PIKMnF, ePBmf, toICW, hZzyO, IRHqjO, Vxs, zDbMy, WKRN, FDKK, ZTxITt, TTP, Oak, lyI, VzTzAz, gfURq, Rdl, oFe, rMa, nIcpH, jhIGZP, qDTjg, Fjb, hBw, WghhnA, HYner, Brzn, bLlQ, pLTB, UqXrPf, rTo, qlig, gzz, cNUHh, UXy, XEJtRk, gcNtvl, hGVSz, FrW, czeIy, tdlMd, bbztrM, fRJH, VBsj, KwKH, FePEK, lYWpq, KXU, Rtc, BJZ, pahT, duW, AGZ,