Astronomy HW Questions

Sep 15th, 2014
Price: $10 USD

Question description

Venus, which orbits the sun with a semi major axis of 0.72 AU, is currently visible in the morning just before sunrise. Its angular separation from the sun is about 10 degrees. In six months, where will it be relative to the sun? When will we be able to see it? (This can be googled I think, but please show work!)

Equations that might be helpful:

[(Angle)/360] = S/[2πdistance]

1AU = astronomical unit, the average distance from the earth to the sun, can be converted on google.

p^2=a^3 (p=period of planet's orbit, a=semimajor axis)

Tutor Answer

(Top Tutor) Danish D
School: Duke University

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