The largest moon in the solar system, bigger but not as massive as Mercury, is

The full Moon’s apparent magnitude is

From inside out, which is in the correct order for the structure of the Sun?

We have observed a comet strike Jupiter.

The full Moon’s apparent magnitude is

The main sequence is luminosity class V.

The largest difference between Mars’ northern and southern hemispheres is that

On the H-R diagram, the Sun lies

Rigel has an apparent magnitude of + 0.18 and Betelgeuse an apparent magnitude of +0.45. What can you conclude from this?

The largest difference between Mars’ northern and southern hemispheres is that