Halley's Comet (that's easy, right?). Although it had been observed before, Halley was the first to discover that it was the same comet that returned at regular intervals, instead of a different object each time, and calculated its orbital period. There also exists a lunar crater named Halley.
David Levy is not an astronaut; he is a well-known Canadian comet hunter and science writer who has co-discovered several comets. He did not travel to space.
Some words related to space are universe, galaxy, planet, star, asteroid, comet, astronaut, telescope, satellite, and orbit.
a comet/meteorite
Comet: A celestial object consisting of a nucleus of ice and dust that orbits the sun. Constellation: A group of stars that appear to form a pattern when viewed from Earth. Cosmonaut: A Russian astronaut or a person who is trained to travel in space. Capsule: A small, enclosed space in which astronauts travel to and from space.
It is a comet.
Halley's Comet
The comet's tail is in front of the comet, not after
=The reindeer who's name is also the name of a kitchen cleanser is COMET=
from the greek word comet, meaning "to comet"
A short period comet.
no comet west is not a real comet