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The time between two successive superior conjunctions of Mars is equal to _____. * A Martian year * The time it takes for Mars to complete one orbit around the Sun * One Earth year * The synodic period of Mars
Your outstretched hand at arm's length covers about 20 degrees across the sky. * True * False
When does Venus appear opposite to the Sun in the sky? * At inferior conjunction * At superior conjunction * At opposition * Never, because Venus can go maximum only 47? away from the Sun with respect to us
Which star almost stays stationary in the sky throughout the night? * Polaris * Vega * Dubhe * Deneb
What is star-trail photography? * Photography of shooting stars * Photography of the mountain trails that have been named after the bright stars * Photography of the trails that have been found on the surface of Mars and Venus * Photography resulting from the Earth's rotation smearing the star image in to a streak * Photography of the trails left behind by the astronauts on the Moon
A star with right ascension RA = 5 hours will cross our _____ 5 hours ________. * Horizon; after midnight * Meridian; after the vernal (March) equinox * Horizon; before midnight * Meridian; before the vernal (March) equinox
A star which is located on the celestial equator would have _______ declination. * 90? North * 90? South * 23.5? * 180? * 0?
The pattern of Big Dipper in the sky is an example of ________. * A constellation * An asterism * A star cluster * A galaxy * None of the above
When in opposition, Mars is visible in the sky at midnight. * True * False
Which of the following statements regarding the motion of stars in the celestial sphere is correct? * The stars' orbits are on the ecliptic * The right ascension of stars changes every day * The star orbits cross the equator
Your outstretched hand at arm's length covers about 20 degrees across the sky. * True * False
When does Venus appear opposite to the Sun in the sky? * At inferior conjunction * At superior conjunction * At opposition * Never, because Venus can go maximum only 47? away from the Sun with respect to us
Which star almost stays stationary in the sky throughout the night? * Polaris * Vega * Dubhe * Deneb
What is star-trail photography? * Photography of shooting stars * Photography of the mountain trails that have been named after the bright stars * Photography of the trails that have been found on the surface of Mars and Venus * Photography resulting from the Earth's rotation smearing the star image in to a streak * Photography of the trails left behind by the astronauts on the Moon
A star with right ascension RA = 5 hours will cross our _____ 5 hours ________. * Horizon; after midnight * Meridian; after the vernal (March) equinox * Horizon; before midnight * Meridian; before the vernal (March) equinox
A star which is located on the celestial equator would have _______ declination. * 90? North * 90? South * 23.5? * 180? * 0?
The pattern of Big Dipper in the sky is an example of ________. * A constellation * An asterism * A star cluster * A galaxy * None of the above
When in opposition, Mars is visible in the sky at midnight. * True * False
Which of the following statements regarding the motion of stars in the celestial sphere is correct? * The stars' orbits are on the ecliptic * The right ascension of stars changes every day * The star orbits cross the equator