Comets Flashcards
1
Q
What are comets?
A
occasional visitors from space
2
Q
what is the Halley’s comet?
A
appears once every 76 years.
3
Q
What does NASA stand for
A
National Aeronautics Space Administration
4
Q
What are considered as “dirty snowballs”
A
comets
5
Q
what are the parts of a comet?
A
the nucleus, the coma, the hydrogen envelope, the dust tail and the iron tail.
6
Q
what is the nucleus?
A
it is at the tip of the comet
7
Q
what is the coma?
A
it is the released gas that forms a huge unstable atmosphere around the comet.
8
Q
what is a meteor shower?
A
increased number of meteors
