The Long Gas Tail Of Spiral Galaxy D100 : Why Is There Long Red Streak Attached To This Galaxy? The Streak

The Long Gas Tail Of Spiral Galaxy D100 : Why Is There Long Red Streak Attached To This Galaxy? The Streak

The Long Gas Tail of Spiral Galaxy D100 : Why is there long red streak attached to this galaxy? The streak is made mostly of glowing hydrogen that has been systematically stripped away as the galaxy moved through the ambient hot gas in a cluster of galaxies. Specifically, the galaxy is spiral galaxy D100, and cluster is the Coma Cluster of galaxies. The red path connects to the center of D100 because the outer gas, gravitationally held less strongly, has already been stripped away by ram pressure. The extended gas tail is about 200,000 light-years long, contains about 400,000 times the mass of our Sun, and stars are forming within it. Galaxy D99, visible to D100’s lower left, appears red because it glows primarily from the light of old red stars – young blue stars can no longer form because D99 has been stripped of its star-forming gas. The featured false-color picture is a digitally enhanced composite of images from Earth-orbiting Hubble and the ground-based Subaru telescope. Studying remarkable systems like this bolsters our understanding of how galaxies evolve in clusters. via NASA

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5 years ago
Apollo 17 Ascent Stage Returning To Moon Orbit.

Apollo 17 ascent stage returning to moon orbit.

5 years ago
Aus Fernen Welten (Astronomy For All) - Bruno Hans Bürgel - 1920 - Via Internet Archive
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Aus Fernen Welten (Astronomy For All) - Bruno Hans Bürgel - 1920 - Via Internet Archive

Aus fernen Welten (Astronomy for All) - Bruno Hans Bürgel - 1920 - via Internet Archive

5 years ago
Earth, ~19,000 B.C.

Earth, ~19,000 B.C.

4 years ago
Animated Gif For A Class That I Procrastinated On For Like A Month! It’s Sally Ride, Who I Had A Mild

Animated gif for a class that I procrastinated on for like a month! It’s Sally Ride, who I had a mild obsession with in like elementary school

5 years ago

Is that in the LM on the surface? I think that's the first video I've seen of inside the LM while on the surface. I was curious to see the effects of the lower gravity.

Charlie Duke During Apollo 16, April 1972
Charlie Duke During Apollo 16, April 1972
Charlie Duke During Apollo 16, April 1972

Charlie Duke during Apollo 16, April 1972

1 year ago
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.
We Love You, Neil.

We love you, Neil.

5 years ago

me: *is bored for 0.5 seconds*

me: i wanna learn how to work wood. i need to build a boat

1 year ago

I say it was one of NASA's worst decisions. Really it wasn't their fault. They didn't have enough government funding to contract two companies to build landers, so they went with the bare cheapest bidder (SpaceX).

It's genuinely possible that Starship HLS might not be ready before Blue Moon MK 2 is.

1 year ago
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into
TODAY IN HISTORY – On June 18, 1983, The Space Shuttle Challenger Carried Astronaut Sally Ride Into

TODAY IN HISTORY – On June 18, 1983, the Space Shuttle Challenger carried astronaut Sally Ride into Earth orbit, launching her into history as the first American woman in space. It was seventh space shuttle mission, lasting 6 days, 2 hours, 23 minutes, 59 seconds. When the shuttle returned, Dr. Ride said, “I’m sure it was the most fun that I’ll ever have in my life.”

(NASA)

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cozy-airlessness - Cozy airlessness
Cozy airlessness

21 · female · diagnosed asperger'sThe vacuum of outer space feels so comfy :)

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