Author Question: In its orbit about the Sun, when is Venus the brightest as seen from Earth? Why? What will be an ... (Read 47 times)

neverstopbelieb · **on:** Jul 27, 2018

In its orbit about the Sun, when is Venus the brightest as seen from Earth? Why?

What will be an ideal response?

Question 2

Which of the following is not an advantage of spacecraft flybys over ground-based telescope observations?

A) Spacecraft can sample the gravitational field of a planet.
B) Spacecraft can view backlit views of planetary rings.
C) Spacecraft can measure local magnetic fields.
D) Spacecraft can monitor changes in a planet's atmosphere over long times.
E) Spacecraft can make highly detailed images of the planet and its moons.

nothere · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

When it is a large crescent, about 36 days before or after inferior conjunction. It is more fully lit when farther away, but also the disk is smaller. The disk is larger closer to inferior conjunction, but less of the sunlit side is facing us.

Answer to Question 2

D