Tag Archives: atmosphere

Protecting Mars from Earth Bacteria — Behind the Spacecraft — Perseverance

Protecting Mars from Earth Bacteria — Behind the Spacecraft — Perseverance

When NASA’s Perseverance rover travels to Mars to search for signs of life, it’s important that the spacecraft doesn’t bring along any Earth bacteria. That’s why NASA-JPL scientist Moogega Stricker is ensuring that the Mars rover is free and clear of microbial stowaways. So if we ever do find life on Mars, we’ll be sure that it didn’t originate on Earth.

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What If Every Satellite Fell to Earth?

What If Every Satellite Fell to Earth?

Thousands of satellites and pieces of debris currently orbit our Earth. They provide us with television, internet, and communications. But what if all these satellites suddenly went offline? And then came crashing down to Earth? What would a crashing satellite do to the Earth? How many satellites would come falling down?

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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.

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