SUN AND STAR Worksheet
1. Our Sun is a ________. There are countless more like it in ________.
2. The Sun is one of _______of stars that make up the Milky Way. The Milky
Way is a _________Galaxy.
3. A galaxy is a ___________ of stars held together by the________ of
gravity.
4. The stars in a galaxy are _______ _______ apart.
5. Scientists believe there may be as many as 100 000 other ________
beyond ours.
6. Because gravity attracts them together, the ________ in a galaxy are
clustered.
7. There are vast expanses of nothing between different ___________.
8. The _______ ____________ is just one part of the Universe.
9. Stars vary in _______, from ______ ____________ that are bigger than the
Sun, to ________ _________ that are same size as the Earth.
10. They vary in _____________. 100 000 times ___________ than the Sun to
100 000 times ________ bright than the Sun.
11.Distances between the __________ also varies.
12. The stars in the Milky way form patterns called _______________.
13. Stars are ________ years away from Earth.
14.Light year is the distance travelled by light in ________ year.
15.In one light year light covers 9461000 000 000 _____.
16. The closest star is 4.2 ________ years away called __________
_____________
17. Closest galaxy is _____________.
18. ________ are bodies of rock and ice that move in orbit around the Sun.
19. The _________ contains everything that exists.
20. Stars can be seen because they are ___________.