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astronomy

The History of Earth in Exactly 2000 Words

The history of Earth is obviously a ginormous topic. Really,...

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Top 3 Biggest Private Space Companies

Space exploration is entering a new era of innovation and...

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What is the Kessler Syndrome?

Though we rarely think about them, we rely on satellites...

20728399 - life from outer space panspermia

What is Panspermia?

Panspermia is most directly described as a hypothesis about the...

What is the Search for Extra-Terrestrial Intelligence ( SETI )?

Search for Extra-Terrestrial Intelligence (SETI) — SETI (pronounced SEH-tee) stands...

Halo of Big Bang and the expansion of the universe

What is M-Theory?

M-Theory It is the name of the unknown theory of...

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What is Large-Scale Structure of the Cosmos?

Large-Scale Structure of the Cosmos Stars are organised into galaxies...

Solar system and space objects. Elements of this image furnished by NASA

What is Kepler’s Laws of Planetary Motion?

Kepler’s Laws of Planetary Motion — The astronomer Johannes Kepler’s...

Solar system illustration

What is Astronomy & Geophysics?

Astronomy & Geophysics (A&G) is a peer-reviewed scientific journal published...

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