Fun Astronomy Facts

Moon Phase





Understanding The Moon Phases


Have you ever wondered what causes the moon phases? We all know that its appearance changes over time. But why? The good way to understand the phases of the moon is to examine an earth-moon-sun diagram:



Current World Sun Light Maps



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Mercury
Diameter:
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Mass:
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Venus
Diameter:
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Mass:
4.869e24 kg

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Mars
Diameter:
6,794 km
Mass:
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Jupiter
Diameter:
142,984 km
Mass:
1.900e27 kg

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Saturn
Diameter:
120,536 km
Mass:
5.68e26 kg

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Uranus
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51,118 km
Mass:
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Neptune
Diameter:
49,532 km
Mass:
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Pluto
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2274 km
Mass:
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Our Moon

The Moon
Diameter:
3476 km
Mass:
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The Moons of Jupiter

IO
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Mass:
8.93e22 kg

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Europa
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Mass:
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Ganymede
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5262 km
Mass:
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Callisto
Diameter:
4800 km
Mass:
1.08e23 kg

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A Few Different Types of Stars

The Sun
Diameter:
1,390,000
Mass:
1.989e30 kg

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White Dwarf
Diameter:
1,390,000
Mass:
1.989e30 kg

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Neutron Star




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