most missed question astronomy sbcc Questions
and Correct Answers | Latest Update
The following figure shows Earth's orbit around the Sun. Which position
corresponds to autumn in the Southern Hemisphere?-1
Ans: D
Which of the following phenomena is primarily due to the elliptical shape
of Earth's orbit?-1
Ans: None of the above
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At what time of day does the Moon rise above the Eastern horizon when it
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is in the first quarter phase?-1
Ans: Noon
An astronomer takes a spectrum of a nearby star. She finds that its
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identified absorption lines all appear at shorter wavelengths than
expected from laboratory measurements. She concludes that the star is:-1
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Ans: moving toward her
The lunar orbit is tilted by how much to the ecliptice plane? This means
that the Moon only passes through the ecliptic two times per month at
the nodes.-1
Ans: 5 degrees
A satellite is originally orbiting the Earth at a distance of 10,000 km from
the center of the Earth. When the satellite moves to a new orbital distance
of 20,000 km from the center of the Earth, how will the gravitational
force change?-1
Ans: the force of gravity will be 1/4 as large
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A 25 Watt light bulb held at a distance of 1.0 m would appear the same
brightness as a-1
Ans: 100 Watt bulb held at 2.0m
Which of the following types of light has the highest atmospheric
transmission (in other words it passes through the atmosphere)?-1
Ans: radio
A gas cloud has an emission spectrum. If all of its lines appear at higher
photon energies than expected from a comparison to laboratory
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measurements, the cloud is:-1
Ans: moving toward the observer
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The astronomer who made the most sophisticated and accurate naked-
eye measurements of astronomical objects was:-1
Ans: Tycho Brahe
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Stars A and B have identical luminosities, but star A is twice as far away
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as star B. How does the brightness of these two stars compare?-1
Ans: Star A is four times fainter than star B
Stars A is four times more luminous than star B, and it is also four times
farther away than star B. How does the brightness of these two stars
compare?-1
Ans: Star A is four times fainter than star B
Which of the following colors is emitted most strongly by the sun?-1
Ans: green
About how old is the earth compared to the age of the universe (**Hint:
The universe is about 15 Billion years old)?-1