| Term | Definition |
|---|
| star cluster | a group of hundreds or thousands traveling together in space |
| two kinds of starclusters | open and globular |
| nebula | a huge cloud of dust and gas in space |
| two kinds of nebulas | bright and dark |
| constellation | a group of stars that seem to make a picture in the sky |
| galaxy | billions of stars , nebula ,and dust in space |
| our galaxy | The Milky Way |
| our nearest galaxy | andromeda galaxy |
| three kinds of galaxies | spiral, elliptical, and, irregular |
| universe | all the galaxies and the space between them |
| big bang theory | a mass of matter that blew up and created the galaxies which are still moving out ward today |
| look south in winter (three stars in line) | orion |
| look south in winter (major) | canis |
| look south in winter(bull) | taurus |
| aurigia | constellation |
| look north all year circumpolar (big) | big dipper |
| look north all year circumpolar (mother) | cassiopeia |
| look north in winter (dragon) | draco |
| look south in spring | leo |
Combine with other sets
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