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"Evolution of Stars": HTML5 Crossword |
Across5. An enormous explosion that destroys a star. (9)
8. In the most massive stars __________ will form in the star's core and cause a supernove. (4)
9. Stars with __________ mass will remain on the main sequence for billions of years. (7)
10. A dense core of neutrons that remains after a supernova. (11)
13. The core of a protostar becomes hot and dense enough for __________ to take place. (13)
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Down1. In a star that has run out of hydrogen, helium will fuse into this element. (6)
2. Cast-off matter from a dying star will become a ________________, it is named this even though it has nothing to do with planets. (15)
3. __________ stars collapse and explode as part of their dying. (7)
4. When the Sun in our solar system runs out of fuel, it will become a __________ and the eventually a white dwarf. (8)
6. Oxygen in our air came from the ___________ of a supernova. (8)
7. The core of a dying star, a hot, dense, slowly cooling sphere of carbon. (10)
11. An object in space whose gravity is so strong not even light can escape. (9)
12. Densest part of a nebula will collapse and form this, a precursor to a star. (9)
13. A cloud of gas and dust in space. (6)
14. Almost all of the ___________ in the universe other than hydrogen and helium were created by nuclear reactions inside the cores of massive stars. (8)
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ACROSS
5. An enormous explosion that destroys a star. (9)
8. In the most massive stars __________ will form in the star's core and cause a supernove. (4)
9. Stars with __________ mass will remain on the main sequence for billions of years. (7)
10. A dense core of neutrons that remains after a supernova. (11)
13. The core of a protostar becomes hot and dense enough for __________ to take place. (13)
DOWN
1. In a star that has run out of hydrogen, helium will fuse into this element. (6)
2. Cast-off matter from a dying star will become a ________________, it is named this even though it has nothing to do with planets. (15)
3. __________ stars collapse and explode as part of their dying. (7)
4. When the Sun in our solar system runs out of fuel, it will become a __________ and the eventually a white dwarf. (8)
6. Oxygen in our air came from the ___________ of a supernova. (8)
7. The core of a dying star, a hot, dense, slowly cooling sphere of carbon. (10)
11. An object in space whose gravity is so strong not even light can escape. (9)
12. Densest part of a nebula will collapse and form this, a precursor to a star. (9)
13. A cloud of gas and dust in space. (6)
14. Almost all of the ___________ in the universe other than hydrogen and helium were created by nuclear reactions inside the cores of massive stars. (8)
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