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Gravity

Gravitational Lensing

An image of the galaxy cluster Abell 1689 actings as a gravitational lens, with arcs of background galaxies around it. — Arcs of background galaxies being lensed by the
cluster Abell 1689.
Credit: NASA

Make Your Own Impact Crater

Submitted by NSOAlison on Mon, 23/01/2023 - 16:44

How Do Satellites Stay In Orbit?

Submitted by NSOJenny on Wed, 11/01/2023 - 13:59

How is the Universe Expanding?

Submitted by admindev on Wed, 30/03/2022 - 15:28

Kepler's Laws: Find the Mass of the Sun

Submitted by admindev on Tue, 29/03/2022 - 08:52

What Is Kepler's Third Law?

Submitted by admindev on Tue, 29/03/2022 - 08:52

What Is Kepler's Second Law?

Submitted by admindev on Tue, 29/03/2022 - 08:51

What is Kepler's First Law?

Submitted by admindev on Tue, 29/03/2022 - 08:51

What is Gravity?

Submitted by admindev on Tue, 29/03/2022 - 08:48

Create An Expanding Universe

Submitted by admindev on Mon, 28/03/2022 - 15:45

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