 Astronomy:
The scientific study of the
Galaxies, Stars, Nebulae, Solar Systems and
the Universe. It deals with a celestial
objects relationship to the Earth, size,
position, composition, motion, evolution and
energy. Astronomers use telescopes,
satellites, computers, space stations and
observatories to study the universe.
Moon:
A
celestial body that revolves around a
planet. |
