HUBBLE
@HUBBLE_space
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Official @ESA feed for #Hubble Space Telescope — the space-based observatory which has revolutionised modern astronomy. #BFFinSpace with @ESA_Webb
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Joined April 2010
More than a dozen ultra-faint dwarf galaxies like Leo IV lurk around our Milky Way galaxy. They are dominated by dark matter, an invisible substance that makes up most of the Universe’s mass. 2/3
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🎙️NEW: Special Wednesday Episode -Trump in Japan: big deals, heartfelt tributes -Shutdown Day 29: Dems stress food stamp cutoff -Defending Ed's nationwide DEI crackdown -Zohran’s 9/11 story unravels -State religious liberty rankings -What is the UN actually doing?
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Hubble unmasks a ghost galaxy 👻 in this #HubbleTopImage Astronomers used Hubble to unmask the dim dwarf galaxy Leo IV, which is practically invisible, its stars virtually indistinguishable from the background. 1/3
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The transformation from freezing gas cloud to fiery young star happens thanks to gravity, which causes these clouds to collapse and heat up 🌡️ until they are hot enough to spark nuclear fusion and start to shine! Read more here: https://t.co/CzDaiKrtel 📷 @ESA / @Hubble_Space &
esahubble.org
Spiralling star factory
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The spiral arms of NGC 4571 are dotted with pink nebula, heated by searing ultraviolet light from the young stars at their cores ⭐ However, stars are born in very different environments – giant molecular clouds in which the temperature hovers just a few tens of degrees above
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These stars are born in molecular clouds, in which the temperature is close to absolute zero. Gravity collects these clouds into dense clumps which collapse inward 🌡️ growing hot and dense enough to spark nuclear fusion and begin to shine. Read more: https://t.co/CzDaiKrtel 📷
esahubble.org
Spiralling star factory
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Our ESA/Hubble Picture of the Week features a spiralling star factory ⭐🏭 This is NGC 4571, a spiral galaxy situated about 60 million light-years away in the constellation Coma Berenices. Its spiral arms are dotted with brilliant pink nebulae containing massive young stars. 1/2
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Wait… why does that Christmas tree look like it’s charging at me?! Help!! 😱
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Let’s go for a whirl with the spiral galaxy NGC 3370! 🫨 Access more space-themed .gifs at our giphy page: https://t.co/VwDNLps5H0
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The spiral galaxy NGC 3370 is home to some of the most useful objects in astronomy: Cepheid variable stars and Type Ia supernovae. The brightness of a Cepheid variable star can be calculated from how quickly it pulsates, while Type Ia supernovae have a consistent brightness.
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Astronomers just can’t get enough of the spiral galaxy NGC 7496! 🤩 Access more space-themed .gifs at our giphy page: https://t.co/ibVxQdCunX
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The circle identifies a unique X-ray source that pinpoints the black hole. The X-rays are believed to be radiation from a hot accretion disc around the black hole. Read more: https://t.co/p6t26qQeFZ 📷 @NASA , @ESA , and S. Farrell (University of Sydney, Australia and
esahubble.org
Astronomers using the NASA/ESA Hubble Space Telescope have found a cluster of young blue stars surrounding a mid-sized black hole called HLX-1. The discovery suggests that the black hole formed in...
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It is home to a black hole that may have been purloined from a cannibalised dwarf galaxy. It lies above the galactic plane - an unlikely home for the black hole, unless it belonged to a smaller galaxy that was torn apart by ESO 243-49. 2/3
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With its unique ultraviolet capabilities and fine resolution, Hubble’s view reveals young star clusters bursting with high-energy radiation. It helps to reveal the ages and masses of these young stars, as well as the extent to which their starlight is obscured by dust 😶🌫️ Read
esahubble.org
A well-studied spiral
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The spiral galaxy NGC 7496 has been imaged by astronomical observatories many times before, in wavelengths from radio to ultraviolet. Each of these observatories offers a different perspective. 1/2
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A star (or many) is born 🌟 in the spiral galaxy NGC 6951! Access more space-themed .gifs at our giphy page: https://t.co/4j1SZXHft2
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BIG WIN: @Apple just made two major policy changes to protect minors from graphic sexual content—proof that Big Tech can change when shareholders hold them accountable. After a year of engagement led by @AmericanFamAssc, and supported by @BowyerResearch & @ADFLegal: 1️⃣ iMessage
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📷 @ESA / @Hubble_Space & @NASA , L. C. Ho, G. Brammer, A. Filippenko, C. Kilpatrick, N. Bartmann (ESA/Hubble) 🎶 Stellardrone - Endeavour 3/3
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This is essentially a circle of enhanced star formation around the nucleus of a galaxy. The bar funnels gas towards it, making it the perfect environment to churn out stars! Read more here: https://t.co/hs6zJ9G87L 2/3
esahubble.org
Starbursting centre
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The elongated centre of the galaxy NGC 6951 reveals the presence of a slowly rotating bar of stars. This bar may be responsible for the white-blue ring enclosing the heart of the galaxy – a circumnuclear starburst ring 🌟⭕ 1/3
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Cepheid variable stars change size and temperature as they pulsate, with brighter ones pulsating more slowly. By measuring the length of a pulsation and how bright they appear from Earth, astronomers can calculate their distance. Type Ia supernovae occur when the dead core of a
esahubble.org
NGC 3370 (wide view)
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