When the Moon shows up to entirely cover the Sun (a solar eclipse), the Moon have to be at which phase?a. fullb. newc. initially quarterd. last quartere. at no specific phase
e. We watch only component of the lit-up half of the Moon relying on its place loved one to Planet and also the Sun
Which of the following best explains why the Moon goes via phases?a. Earth"s shadow falls on different components of the Moon at different times.b. The Moon is somewhat flattened and disk-like, and shows up more or less round depending upon the specific angle from which we see it.c. Earth"s clouds cover potions of the Moon at assorted times resulting in the altering phases that we watch.d. The sunlight reflected from Planet lights up the Moon however is less reliable when the Moon is lower in the sky than once it is better in the skies.e. We watch just part of the lit-up fifty percent of the Moon depending on its place relative to Earth and the Sun.
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Which phase of the Moon rises in the eastern while the Sun is establishing in the west?a. first quarterb. gibbousc. fulld. third quartere. new
Kepler"s second regulation says "a line joining a earth and also the Sun sweeps out equal locations in equal amounts of time." Which of the complying with statements means nearly the same thing?a. Planets move farther in each unit of time when they are closer to the Sun.b. Planets move equal distances throughout their orlittle bit of the Sun.c. Planets move the very same speed at all points throughout their orlittle bit of the Sun.d. Planets move slowest once they are relocating amethod from the Sun.e. Planets move fastest when they are moving towards the Sun.
If a tiny weather satellite and also the huge Internationwide Void Station are orbiting Planet at the exact same altitude over Earth"s surchallenge, which object takes much longer to orbit once about Earth?a. the huge room stationb. the little weather satellitec. They would certainly take the exact same amount of time.
Consider a earth orbiting the Sun. If the mass of the earth was doubled but theplanet continued to be at the same orbital distance, then according to Kepler"s Third Law, the earth would takea. More than twice as long to orlittle bit the Sunb. Exactly twice as long to orbit the Sunc. The exact same amount of time to orlittle bit the Sund. Exactly fifty percent as long to orlittle bit the Sune. Less than fifty percent as long to orlittle the Sun
Which of the adhering to ideal defines what would certainly take place if Mercury and also Jupiter were to switch locations in their orbits around the Sun? (Mercury is presently closer to the Sun than Jupiter.)a. Jupiter, the larger planet, would have actually a shorter orbital period than before.b. Mercury, the smaller world, would certainly have a shorter orbital duration than before.c. Neither of the two planets would have any type of readjust in their orbital periods.
Which of the following would certainly cause the pressure on the Moon by the Planet toboost by the largest amount?a. Double the mass of the Moon.b. Double the mass of the Earth.c. Move the Moon two times closer to the Earth.d. It cannot be readjusted.
Asteroid A is being orbited by a smaller sized Asteroid B. Which of the following properly explains just how the gravitational force exerted BY Asteroid A on its "partner" asteroid compares to the gravitational force exerted BY Asteroid B on its "partner" asteroid.a. The force of A on its partner is greater than the pressure of B on its partner.b. The force of B on its partner is better than the pressure of A on its companion.c. The pressure of A on its partner is equal to the pressure of B on its companion.
Imagine that you are viewing a star that has actually an obvious magnitude of 0.2 and also is situated around 100 parsecs amethod from us. Which of the adhering to is a lot of most likely the star"s absolutemagnitude?a. - 4.8b. 0.1c. 0.2d. 0.3e. 5.2
Vega has actually an noticeable magnitude of 0.03 and also an absolute magnitude of 0.58. If it were relocated twice as far from Planet as it is now, which of the following would certainly occur?a. The noticeable magnitude would certainly rise.b. The obvious magnitude would decrease.c. The evident magnitude would not readjust.d. The absolute magnitude would certainly rise.e. The absolute magnitude would certainly decrease.
Star G has an apparent magnitude of 5.0 and also an absolute magnitude of 4.0. Star H has actually an apparent magnitude of 4.0 and also an absolute magnitude of 5.0. Which of the following statements is true about viewing these 2 stars from Earth?a. Star G will certainly show up brighter than Star H.b. The two stars will certainly appear to have actually the very same brightness.c. Star H will appear brighter than Star G.
Which of the following stars is closest to us?a. Procyon (parallax angle = 0.29")b. Ross 780 (parallax angle = 0.21")c. Regulus (parallax angle = 0.04")d. Sirius (parallax angle = 0.38")
Consider 2 stars, A and B. If Star A is 3 parsecs ameans and also Star B is 5 parsecsamethod, which has the higher parallax angle?a. Star Ab. Star Bc. Not sufficient indevelopment to answer.
On Earth, the parallax angle measured for the star Procyon is 0.29 arcsecs. If you were to meacertain Procyon"s parallax angle from Venus, what would the parallax angle be? (Note:Earth"s orbital radius is larger than Venus"s orbital radius.)a. more than 0.29 arcsecondsb. 0.29 arcsecondsc. much less than 0.29 arcsecondsd. zero arcseconds (no parallax)
What is the distance to a star (in parsecs) that has actually a parallax angle of 0.1 arcseconds?a. 0.01b. 0.1c. 1d. 10e. 100
Star X is 10 parsecs amethod, and Star Y is 50 parsecs ameans. Which star has a greater parallax angle?a. Star Xb. Star Yc. Neither—their parallax angles are the same.
To meacertain a star"s parallax angle accurately, you must observe a star"s place against background starsa. on one night.b. on two nights separated by one year.c. on many type of nights over the course of numerous months.d. on many type of nights over the course of a year.
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Which of the following travels the slowest?a. radio wavesb. visible lightc. x-raysd. infrared lighte. They all travel at the same speed
Which of the adhering to has actually the shortest wavelength?a. A photon of ultraviolet light.b. Blue electromagnetic radiation.c. An X-ray.d. A radio wave.e. Infrared radiation.
Which of the complying with has the leastern energy?a. radio wavesb. visible lightc. x-raysd. infrared lighte. They all have the very same energy
Which of the following wavelengths can be oboffered quickly by a telescope situated onEarth"s surface?a. gamma rayb. X-rayc. ultravioletd. radioe. all of the over wavelengths
Imagine that you are the head of a funding firm that have the right to afford to build one telescope. Which of the following proposed telescopes would be finest to support?a. a radio telescope in orbit about Earthb. an ultraviolet telescope in orlittle bit roughly Earthc. an X-ray telescope situated in New Mexico
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