Hubble Space Telescope

Artwork depicting the chaos of galactic collision: NGC 6240 is two galaxies colliding, each with their own supermassive black hole surrounded by huge amounts of gas. Credit: Credit: NRAO/AUI/NSF, S. Dagnello
Three supermassive black holes? In the galactic chaos of NGC 6240, ALMA sees just two
Phil Plait
Jan 14, 2020
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Tag: Bad Astronomy
Tag: galaxies
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Hubble's spectacular view of UGC 2885: Is this the biggest spiral galaxy in the Universe?
Phil Plait
Jan 9, 2020
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The enormous spiral galaxy UGC 2885, nicknamed “Rubin’s Galaxy” after astronomer Vera Rubin. It may be the largest spiral galaxy known. Credit: NASA, ESA, and B. Holwerda (University of Louisville)
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NGC 4455: A nearby galaxy that's the stepping stone to the Universe
Phil Plait
Jan 3, 2020
The relatively nearby galaxy NGC 4455, observed by Hubble specifically to find its distance. Credit: ESA/Hubble & NASA, I. Karachentsev et al.
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A globular cluster for the new year: M22
Phil Plait
Jan 1, 2020
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Detail of Hubble image of the globular cluster M22. Credit: ESA/Hubble & NASA
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Has Supernova 1987A's elusive neutron star finally been found?
Phil Plait
Nov 25, 2019
hst_chandra_sn87a
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The Sunburst Arc: A quirk of gravity reveals how the infant Universe lit up
Phil Plait
Nov 18, 2019
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Detail of one Starburst Arc shows several bright knots; each is an image of the same region of the lensed galaxy replicated through the lensing process. Credit: ESA/Hubble, NASA, Rivera-Thorsen et al.
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A flocculent spiral galaxy with a really, really weird middle
Phil Plait
Nov 15, 2019
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A close-up of the central region of NGC 2775, showing how the arms end abruptly, giving way to a smooth distribution of stars. Credit: NASA/ESA/Hubble Space Telescope/Janice Lee, processed by Judy Schmidt
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Tag: Comets
Update: The interstellar comet 2I/Borisov is still not acting very alien
Phil Plait
Nov 5, 2019
The interstellar comet 2I/Borisov, an alien visitor from another star. The pointy ears are a dead giveaway. NASA, ESA, and D. Jewitt (University of California, Los Angeles)
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Happy Halloween, from a giant space tardigrade!
Phil Plait
Oct 31, 2019
A dense clump of dust in the Carina Nebula, sculpted by intense radiation of newborn stars, looks like a giant space tardigrade. Credit: NASA, ESA, N. Smith (University of California, Berkeley), and The Hubble Heritage Team (STScI/AURA)
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Hubble observes an alien visitor: the comet 2I/Borisov
Phil Plait
Oct 17, 2019
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Hubble Space Telescope image of the comet 2I/Borisov (formerly C/2019 Q4 (Borisov)). The blue color was added to a grayscale image. Credit: NASA, ESA, and D. Jewitt (University of California, Los Angeles)
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Citizen scientists find asteroids in Hubble images
Phil Plait
Oct 16, 2019
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As Hubble observed the Crab Nebula supernova remnant, a small main-belt asteroid photobombed the image, leaving behind a curved streak due to Hubble’s orbital motion around the Earth. Credit: ESA/Hubble & NASA, M. Thévenot (@AstroMelina); CC BY 4.0
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Water vapor detected in the atmosphere of a temperate mini-Neptune exoplanet
Phil Plait
Sep 12, 2019
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Artwork depicting the mini-Neptune exoplanet K2-18b, recently discovered to have water vapor in its atmosphere. Credit: ESA/Hubble, M. Kornmesser
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That's OK, NGC 3242: Having that much gas would make anyone edgy
Phil Plait
Sep 6, 2019
The edge-on spiral galaxy NGC 3432 shows off a lot of gas clouds in this image from Hubble Space Telescope. Credit: ESA/Hubble & NASA, A. Filippenko, R. Jansen
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Watch the expansion of the Cas A supernova remnant with your own eyes!
Phil Plait
Aug 29, 2019
A stunning image of the supernova remnant Cas A combines visible light images from Hubble with X-ray observations by Chandra. The different colors represent different energies of the light.
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A little gorgeousness for you, c/o the spiral galaxy M61
Phil Plait
Aug 23, 2019
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The center of the galaxy M61 shows the spiral pattern goes right down to the core. Credit: ESA/Hubble & NASA, Acknowledgement: Det58
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Solving the riddle of the edge-on galaxy NGC 5866
Phil Plait
Aug 12, 2019
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A deep image of NGC 5866 reveals huge streams of stars looping around it; clear evidence of a recent galactic collision. Credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona
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