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How long would one need to observe a star on a 10 meter telescope to collect the same amount of light as...
Question 6
How long would one need to observe a star on a 10 meter telescope to collect the same amount of light as one collects in one hour on a 5 meter telescope?
○ 4 minutes
○ 30 minutes
○ 2.5 hours
○ 15 minutes
○ 1 hour
Question 7
A new planet orbits its star faster than the Earth orbits the Sun and it rotates more slowly than the Earth rotates. Which of the following is true?
○ The new planet has a longer year than Earth and a shorter day than Earth.
○ The new planet has a shorter year than Earth and a longer day than Earth.
How long would one need to observe a star on a 10 meter telescope to collect the same amount of light as one collects in one hour on a 5 meter telescope?
○ 4 minutes
○ 30 minutes
○ 2.5 hours
○ 15 minutes
○ 1 hour
Question 7
A new planet orbits its star faster than the Earth orbits the Sun and it rotates more slowly than the Earth rotates. Which of the following is true?
○ The new planet has a longer year than Earth and a shorter day than Earth.
○ The new planet has a shorter year than Earth and a longer day than Earth.