The bright spot in the lower left is SN 1994D, a star in the midst of a supernova, in the galaxy NGC 4526. During this final performance, the star will briefly outshine its parent galaxy. No supernovae have been observed in our galaxy in over four hundred years.
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some of my favourite absolutely SICK facts about the trappist-1 exoplanets: - theyre all very close to one another and to their star, so the length of a year on them varies from 1 to 20 DAYS - since they’re so close, the star appears a lot bigger than our sun from earth, and from one planet you could easily see the rest, some would even appear bigger than the moon from earth. you could literally see the surface of another planet with a naked eye!!! - they’re tidally locked to their star like our moon is locked to earth, meaning only one side of a planet ever faces the star, and on the other side it’s always night. the sun never sets or rises on any of the planets - the star is red, so the sunlight is red/orange, meaning if, for example, plants were to grow there, they could be black and that’s just what we know now, imagine how much cool stuff we have yet to discover about the trappist-1 system
I don’t care if you don’t like space puns
I like space puns
comet me bro
Picture of the Day: Messier 9 Star Cluster
NASA’s Hubble Space Telescope has taken this incredible picture of Messier 9, a globular star cluster located near the center of our galaxy. The cluster, located some 25,000 light years away, is too faint to be seen with the naked eye, but Hubble has captured more than 250,000 individual stars there. Globular clusters are believed to have emerged when the galaxy was quite young, and the stars that make up Messier 9 are calculated to be around twice as old as our sun.
NASA just released the out-of-this-world news.
M45, The Pleiades Star Cluster
Jupiter’s moon, Callisto.
Psychedelic Pluto : New Horizons scientists made this false color image of Pluto using a technique called principal component analysis to highlight the many subtle color differences between Plutos distinct regions.
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“Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let them live. In a hundred billion galaxies, you will not find another.” ~ Carl Sagan, Cosmos
A century ago, Albert Einstein theorized there was such a thing as a fabric of space and time — that the universe was malleable, and that large objects and events would cause it to bend.
He was right. From studying the signals emanating from the merging of two black holes — have separate masses equal to 36 and 29 suns — scientists with the Laser Interferometer Gravitational-Wave Observatory were able to observe gravitational waves. Their measurements matched expectations of what Einstein predicted in his General Theory of Relativity.
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"Astronomy compels the soul to look upwards and leads us from this world to another." - Plato
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