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== Planets (what are they, how far, why do they look round) ==
[[Agencies/NASA|NASA]] tells us "Planets" are real. If you look at the footage of "planets", especially footage from the 60s and 70s, the footage is obviously fake. It would take turning a blind eye to believe it. The reality is, people don't think to question it.
People claim planets have phases but there is no photographic progression showing this. Mars never disappears in the sky during it's "dark phase", all planets should be observed doing this from the ground disappearing for long periods of time. But they don't. They shine brilliantly in the sky. You can see these planets every night if you wish, regardless of what [[Agencies/NASA|NASA]] says.
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# (astronomy) planet
# (medicine) a fever that comes in irregular fits
===How far away are the planets?===
[[File:Teknoware rail vehicles exterior lights-2061719007.jpg|200px|right]]
We all know that a light, such as a candle or a streetlight, looks dimmer the farther away from it we get. The question of how much dimmer it looks was answered a long time ago (The inverse square law of light).
This activity gives an easy way to repeat that discovery. Students use a simple light source and measure its brightness on a piece of graph paper at different distances. Then, they graph the data and discover the mathematical relationship between brightness and distance.
Once you understand this relationship, now you can now understand how astronomers used this knowledge to assume the distances to stars and planets. By assuming the size and brightness of the planet or stars, they can guess the distance. That's how far the planets are! A circular reasoning assumption that supported the heliocentric religion.
How far they really are is unknown. We don't know how large they are, how bright they are, or how far away they are.
===Why do planets look round?===
Any shape of light, if it were far enough away will look round. Just because the planets look spherical, it doesn't mean they are round.
Sometimes our eyes can deceive us. Objects that appear spherical could be actually be concave, or flat and shaded. <ref name=Spherical></ref>
[[File:Is It Spherical Karen B.png]]
[[File:Is It Spherical Karen B-B.png]]
===See also===
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===References===
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