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Astronomy :)
Astronomy
Question | Answer |
---|---|
How do stars form? | Stars form by condensation, gravitational compression of a solar nebula that collapses. |
Name the less massive stars in order. | 1. Nebula, 2. protostar, 3 main sequence star (born), 4. white dwarf, 5. black dwarf |
Name the More massive stars in order. | 1. Nebula, 2. protostar, 3 main sequence star (born), 4. supernova, 5. neutron star |
What is a galaxy? | A collection of billions of stars. |
What is distance in the universe measured in? | Light years |
what is the order of the planets from the sun? | 1. Mercury, 2. Venus, 3. Earth, 4. Mars, 5. Jupiter, 6. Saturn, 7. Uranus, 8. Neptune. |
Which planets have no moons? | Mercury and Venus |
How are inner planets similar? | composition: iron and nickel cores, mantles and crust. |
what is the order of the planets from the sun? | 1. Mercury, 2. Venus, 3. Earth, 4. Mars, 5. Jupiter, 6. Saturn, 7. Uranus, 8. Neptune. |
Which planets have no moons? | Mercury and Venus |