Why can radio telescopes be used 24 hours a day?

Physics

2 answers:

lbvjy [14]2 years ago

8 0

They are not affected by visible light

Arte-miy333 [17]2 years ago

5 0

The two reasons are one, that sunlight or darkness or clouds do not affect radio spectrum and two that emission from sun in radio wave-length spectrum is relatively weak.

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Nikolas had an idea that he could use the compressed carbon dioxide in a fire extinguisher to propel him on his skateboard.

Vikentia [17]

The Newton’s law Nikolas would use to come up with this idea is the Third law that states:

When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.

So, in this case, let's name the first Body A which is the skateboard and the second body B which is the compressed carbon dioxide in a fire extinguisher. Then, as shown in the figure below, according to the Third law:

 $FA = -FB$