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Hubble Space Telescope
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Join Hubble's journey of cosmic discovery.
Join Hubble's journey of cosmic discovery.

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The peculiar shape of this double galaxy 340 million light-years away is a result of the gravitational pull between the galaxies as they move through and past each other in space. The smaller galaxy seems to have taken a dive through the larger spiral—distorting both—and inciting an episode of intense star formation that lights up its nucleus. Prominently adorning the arms are large blue clusters of young, hot stars glowing brightly in ultraviolet light. The smaller red lights are older, cooler stars. Arp 273 is just one of more than 300 galaxies selected by Halton Arp for his Atlas of Peculiar Galaxies, published in 1966. Dr. Arp looked for galaxies that deviate from the typical spiral and elliptical shapes to better understand how galaxies change over time. #AstronomyHistory #PeculiarHubble Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
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While photographing Mars, NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos. Hubble took 13 separate exposures over 22 minutes to create a time-lapse video showing the moon’s orbital path. Phobos orbits Mars in just 7 hours and 39 minutes.
http://hubblesite.org/news_release/news/2017-29
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Gravitational lenses are like nature’s magnifying glass, giving us even better views of the distant universe. Hubble has taken advantage of one of these lenses to tease out details in a galaxy that we see as it appeared 11 billion years ago, revealing impressive fireworks of star formation. hubblesite.org/news_release/news/2017-27
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TONIGHT’S SKY: In July, large planets preside over southern skies. https://youtu.be/aC2s_-IcLcg
This is a recurring show, so you can find more episodes — and other astronomy videos — on HubbleSite at http://hubblesite.org/videos/tonights_sky
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LATEST NEWS: Einstein’s general theory of relativity checks out again! Learn how astronomers used Hubble to measure the mass of a white dwarf by seeing how much it deflected light from a background star.
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LATEST NEWS: New images reveal a tangled web of misshapen objects—galaxies distorted and magnified by gravitational lenses. These galaxies are some of the brightest in the universe, as much as 10,000 times more luminous than our Milky Way.
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LATEST NEWS: How frequently do red dwarf stars emit flares? New research finds an abundance of small flares that might have big implications for planetary habitability.
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LATEST NEWS: In a question of nature vs. nurture, two "cousin" hot gas giants have very different weather—one cloudy and one clear. Astronomers aren’t sure why, but planetary migration might play a role.
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TONIGHT’S SKY: Early June is one of the best times to view our brightest planet.
This is a recurring show, so you can find more episodes and other astronomy videos at http://hubblesite.org/videos/tonights_sky
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