| 1. black
hole |
the
point in the sky that is directly over the head of the observer.
|
| 2. constellation |
a
heavenly body that revolves around a planet or other larger body;
moon. |
| 3. asteroid |
a
large, nonluminous celestial body, esp. one of the nine in the solar
system, that revolves around a star and often has one or more satellites. |
| 4. zenith |
the
curved path in which a planet, satellite, or spacecraft revolves
about another body. |
| 5. planet |
a
system of billions of stars and other matter held relatively close
to each other by gravity and separated from other such systems by
vast distances. |
| 6. orbit |
at
a particular observation point, the blocking of light from one celestial
body by another, such as the eclipse of the sun by the interposition
of the moon, or the eclipse of the moon by the earth's coming between
the sun and moon. |
| 7. moon |
a
small mass, speck, or remnant of matter traveling through space
or falling to earth, or the fiery streak in the sky made by the
friction of its passage through the earth's atmosphere; meteorite
or meteoroid. |
| 8. meteor |
any
planet's natural satellite. |
| 9. satellite |
any
of eighty-eight groupings or patterns of stars named after the animals,
objects, or mythological characters they are thought to resemble. |
| 10. eclipse |
the
force by which a planet or other such body tends to draw objects
toward its center. |
| 11. comet |
a
hypothetical region or body in space, possibly the remnants of a
collapsed star, with such a strong gravitational pull that neither
light nor matter can escape. |
| 12. meteorite |
a
heavenly body orbiting the sun, and having a nucleus surrounded
by a nebulous sheath that may form an elongated tail when the body
comes close to the sun. |
| 13. galaxy |
any
of thousands of celestial bodies with diameters between one and
five hundred miles that revolve around the sun in orbits located
mostly between those of Jupiter and Mars; planetoid. |
| 14. gravity |
a
mass of stone or metal falling to earth from outer space; meteoroid. |
