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Large Celestial Bodies

Enter the number from the column to the left into the text box next to the appropriate word in the right-hand column.

1. named set of specific stars which, from the point of view of the observer, form a group		binary star
2. a galactic nucleus, or center, from which massive amounts of energy are emitted; so far only found in some very distant galaxies		The Milky Way
3. a light-emitting ball of plasma held together by gravity		neutron star
4. an event on a star that causes the star to greatly increase in brightness		constellation
5. a pair of stars in orbit around their common center of gravity		black hole
6. an event so massive that it rips apart its star, and which can release enough energy to briefly outshine an entire galaxy		supernova
7. a large cloud of gas and dust in outer space		galaxy
8. the galaxy in which our solar system is located		star
9. a celestial body with a gravitational field so strong that light cannot escape it		nebula
10. the remnant of a collapsed star that was not massive enough to form a black hole		nova
11. a rapidly rotating neutron star that emits beams of electromagnetic energy at regular intervals		quasar
12. a large, isolated, gravitationally bound group of stars		pulsar