2024 March 22

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2024 March 22



Phobos: Moon over Mars

Image Credit: NASA, ESA, Zolt Levay (STScI) - Acknowledgment: J.Bell (ASU) and M.Wolff (SSI)

Explanation: A tiny moon with a scary name, Phobos emerges from behind the Red Planet in this timelapse sequence from the Earth-orbiting Hubble Space Telescope. Over 22 minutes the 13 separate exposures were captured near the 2016 closest approach of Mars to planet Earth. Martians have to look to the west to watch Phobos rise, though. The small moon is closer to its parent planet than any other moon in the Solar System, about 3,700 miles (6,000 kilometers) above the Martian surface. It completes one orbit in just 7 hours and 39 minutes. That’s faster than a Mars rotation, which corresponds to about 24 hours and 40 minutes. So on Mars, Phobos can be seen to rise above the western horizon 3 times a day. Still, Phobos is doomed.

unexplained-events: Jellyfish SpriteRed sprites or the…

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Jellyfish Sprite

Red sprites or the tentacle-like spurts of red lightning in the sky during a storm are sometimes referred to as Jellyfish Sprite (because of their shape). There are also some that are vertical columns of red light and those are called carrot sprites.

They are ultra fast electricity traveling through the atmosphere towards space and are extremely rare (they last a tenth of a second). They can also be seen from space.

The picture above was captured on Mt. Locke in Texas (July 2nd, 2020) by Stephen Hummel.