User:Mattes/Favorite files/Images/A/astronomy

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Class A rated files of astronomy

is part of the User:Mattes/Favorite files/Images series.


Flare from a star known as EV Lacertae. This flare was thousands of times more powerful than the greatest observed solar flare. Cscr-featured.svg
Gold Medal.svg Rated Top One Hundred Ranked File of Mattes out of 40,825,689 Wikimedia Commons files.
Hubble's deepest view ever of the Universe unveils earliest galaxies description (...You are here)
Transition Region and Coronal Explorer (NASA), ...more...

Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago.
Twenty years ago, astronomers witnessed one of the brightest stellar explosions in more than 400 years. The titanic supernova, called SN 1987A, blazed with the power of 100 million suns for several months following its discovery on Feb. 23, 1987. Observations of SN 1987A, made over the past 20 years by NASA’s Hubble Space Telescope and many other major ground- and space-based telescopes, have significantly changed astronomers' views of how massive stars end their lives. Astronomers credit Hubble's sharp vision with yielding important clues about the massive star's demise. This Hubble telescope image shows the supernova’s triple-ring system, including the bright spots along the inner ring of gas surrounding the exploded star. A shock wave of material unleashed by the stellar blast is slamming into regions along the inner ring, heating them up, and causing them to glow. The ring, about a light-year across, was probably shed by the star about 20,000 years before it exploded.
A Spitzer Space Telescope (SST) image of NGC 2244 (see NASA description).
A close-up view of the Rosette Nebula (red color comes from hydrogen).
Star forming pillars in the Eagle Nebula as seen by the Hubble Space Telescope's WFPC2.
The Sombrero Galaxy is a mosaic of six images taken by the Hubble Space Telescope's Advanced Camera for Surveys in May and June 2003. Cscr-featured.svg
Ultraviolet image of the star Mira showing its comet-like trail of gas over 13 light-years long. Cscr-featured.svg
Infrared image from NASA's Spitzer Space Telescope shows a vast number of stars of the Milky Way galaxy.
Helix Nebula (Spitzer space telescope).
Corona of solar eclipse 1999.
Crescent of the earth moon (false colors). Cscr-featured.svg

Hypothetical exoplanets[edit]

79 Ceti b (also known as HD 16141 b), extrasolar planet orbiting its star every 75 days Gas giant, artist's conception.
Artist's animation shows the view from a hypothetical moon in orbit around the first known planet to reside in a tight-knit triple-star system.
A NASA artist rendering of a hypothetical gas giant extrasolar planet.



See also Images/B/Nature#Astronomy

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