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Panspermia – The Idea That Life Came From The Stars

Panspermia – The Idea That Life Came From The Stars
ancient-origins.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ancient-origins.net Daily Mail and Mail on Sunday newspapers.

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The Planets | A guide to the Solar System - BBC Sky at Night Magazine

The Planets | A guide to the Solar System - BBC Sky at Night Magazine
skyatnightmagazine.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from skyatnightmagazine.com Daily Mail and Mail on Sunday newspapers.

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The Planets: Mars

OPPORTUNITY EXPLORES FOR 14 YEARS
DISCOVERS EVIDENCE OF ANCIENT FLOWING WATER
NARRATOR: Over 50 years of Mars exploration has revealed intriguing clues, suggesting Mars has a surprisingly watery past.
ASHWIN VASAVADA: There’s a lot of evidence for ancient flowing water on Mars. For one thing, there’s a lot of rivers that once coursed across the surface that are now dry, today. There’s also evidence for floods that catastrophically scoured the surface.
JOHN GROTZINGER: It’s undeniable that the early history of Mars was much wetter than it is today.
STEVE SQUYRES: The surface of Mars is littered with an uncountable number of little round things. These “blueberries,” as we nicknamed them, are what geologists call “concretions.” ....

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What is an exoplanet?

What is an exoplanet?
April 22, 2021 at 12:07 pm
Exoplanets are planets orbiting distant stars beyond our Solar System, and today astronomers calculate that for every star we can see in the night sky, there is on average at least one exoplanet in orbit around it.
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The concept of exoplanets is hardly new: as far back as 1584, Italian philosopher Giordano Bruno suggested space was filled by “an infinity of worlds of the same kind as our own”.
An illustration depicting the variety of exoplanets discovered so far. Credit: NASA/JPL-Caltech/Lizbeth B. De La Torre
Over the past century, numerous authors, TV directors and film producers set their stories on planets beyond our own Solar System. ....

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"We'll Know It When We See It": The Trouble with Finding (Alien) Life by Julie Nováková : Clarkesworld Magazine

Science Fiction & Fantasy

The Trouble with Finding (Alien) Life
by Julie Nováková
Last month, NASA’s
Perseverance rover successfully landed on Mars to investigate current and past conditions on the Red Planet and search for life. With it, an old but still burning question inevitably arises: when
if we find alien life somewhere, are we going to recognize it?
The question is far less trivial than it sounds. The odds are we won’t encounter a technological civilization or travel beyond our solar system anytime soon. There are tantalizing environments in our own backyard: Mars, which had liquid water long ago and still has large amounts of water ice with potential lakes underneath its polar ice caps, and possibly hydrothermal systems under ground; Venus, whose past remains mysterious to us and which may have possessed water oceans once, too; moons such as Europa or Enceladus, with vast amounts of liquid water hidden underneath their icy shells ....

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