If we observe one edge of a planet to be redshifted and the opposite edge to be blueshifted, what can we conclude about the planet?
A) The planet is actually two bodies, one moving toward us, the other away from us.
B) The planet is in the process of formation.
C) The planet is in the process of falling apart.
D) The planet is rotating.
Question 2
If the Moon is relatively far from Earth, so that its umbra does not reach Earth, someone directly behind the umbra will see
A) a penumbral lunar eclipse.
B) a partial solar eclipse.
C) no eclipse.
D) an annular eclipse.
E) a partial lunar eclipse.
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Use a full hand/flat of fingers to apply L stroke to face, below the eye and to the edge of the ...
Biodiversity and the unevenly distribution on the planet
A space probe approaches a planet, taking measurements as it goes. If it detects a potential ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...