Astrophysics
Physics
Wick - Wanki hive
Sample Data
| Front | Evolution of stars with a mass larger than the Sun |
| Back | nebula, protostar, main sequence star, red supergiant, supernova, neutron star or black hole |
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| Front | Think of the main components of the Hertzsprung–Russell diagram (HR diagram) |
| Back |
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| Front | Describe the orbit of a comet |
| Back | Comets have highly elliptical orbits, with the Sun at one focus. When they come in close to the Sun they speed up, due to the larger gravitational force on them. Ice in these comets in these comets is melted by the Sun's heat as they get closer and this produces the cometary tail |
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