sphere, round
Ellipse.
Presently, the ejected ring theory best describes the origin of moon.
A point.
A supernova.
The general term for the visible lit part of the moon is "the phase of the moon." The visible lit portion can have a crescent shape, a gibbous shape or a "half-moon" (half circle) shape.
sphere, round
vgrvr
Ellipse.
"Meteor" does.
Lava ;D
The term prism describes the shape of a wedge. It looks like a triangle on the two ends.
Double Helix.
Disc shaped.
A landform is a term that describes any natural geographical feature on the earth's surface, such as mountains, valleys, plains, and plateaus. Landforms are the result of various geological processes that shape the Earth's landscape over time.
Form Factor
Florida can be described as a peninsula.
Volcanoes