Differentiate between galaxy and constellation.
1 Answer
The differences between galaxy and constellation are:
| Galaxy | Constellation |
| Galaxy is a huge assembly of stars, dust and gases held by strong gravity. | It is a group of stars from a fixed pattern and does not change their position with respect to each other. |
| There are about 1011 galaxies in the universe. | There are only 88 constellation known so far. |
| All the stars of galaxy revolve around a point called galactic center. |
There is no relative motion between the stars in constellation. |
| There are unlimited number of stars within galaxy. | There are limited and fixed number of stars within each constellation. |
Things to remember from The Universe
- The group stars that appear in the form of closed groups and form recognizable shape and pattern are called constellations.
- Ursa Major: It has seven big stars appearing like as the shape of a question mark. This group of stars is called big dipper or Great Bear
- Galaxy is a collection of large numbers of stars.
- Constellation is collection of few stars.
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