1937 Multi-Band Images of Beta Pictoris


Separate B, V, and I ratio images taken with Hubble's Advanced Camera for Surveys support the notion that the inner warp surrounding the nearby star Beta Pictoris is a secondary dust disk, distinct from the main outer dust disk and inclined from it by roughly 4 to 5 degrees.

Credits: NASA, ESA and D. Golimowski (Johns Hopkins University)

1626 Artist's Concept of Extrasolar Planet HD 209458b


This artist's impression shows a dramatic close-up of the scorched extrasolar planet HD 209458b in its orbit 'only' 7 million kilometres from its yellow Sun-like star.

Credits: NASA, ESA, and Alfred Vidal-Madjar (Institut d'Astrophysique de Paris, CNRS, France)

697 The Bubble Nebula, NGC 7635 (WFPC)


This NASA Hubble Space Telescope image reveals an expanding shell of glowing gas surrounding a hot, massive star in our Milky Way Galaxy. This shell is being shaped by strong stellar winds of material and radiation produced by the bright star at the left, which is 10 to 20 times more massive than our Sun. These fierce winds are sculpting the surrounding material - composed of gas and dust - into the curve-shaped bubble. Astronomers have dubbed it the Bubble Nebula (NGC 7635). The nebula is 10 light-years across, more than twice the distance from Earth to the nearest star. Only part of the bubble is visible in this image. The glowing gas in the lower right-hand corner is a dense region of material that is getting blasted by radiation from the Bubble Nebula's massive star. The radiation is eating into the gas, creating finger-like features. This interaction also heats up the gas, causing it to glow.

Credits: The Hubble Heritage Team (AURA/STScI/NASA)

4381 2019 Hubble Einstein Sagan Fellows


NASA has selected 24 new Fellows for its prestigious NASA Hubble Fellowship Program (NHFP). The program enables outstanding postdoctoral scientists to pursue independent research in any area of NASA Astrophysics, using theory, observation, experimentation, or instrument development. Each fellowship provides the awardee up to three years of support.

Credits: NASA, ESA, and A. Feild (STScI)

4564 Compass Image for SDSS J1226+2152


Credits: NASA, ESA, STScI, and H. Ebeling (University of Hawaii)

899 Spiral Galaxy NGC 5965


Credits: Credits for the ground-based images: Allan Sandage (The Observatories of the Carnegie Institution of Washington) and John Bedke (Computer Sciences Corporation and the Space Telescope Science Institute) Credits for WFPC2 and NICMOS composites: NASA, ESA, and Reynier Peletier (University of Nottingham, United Kingdom)

3503 Magnetosphere of Ganymede


This is a sketch of the magnetic field lines around Ganymede, which are generated in the moon's iron core. Hubble Space Telescope measurements of Ganymede's aurorae, which follow magnetic field lines, suggest that a subsurface saline ocean also influences the behavior of the moon's magnetosphere.

Credits: NASA, ESA, and A. Feild (STScI)

2090 Saturn's Moons - Frame 3


Credits: NASA, ESA, and E. Karkoschka (University of Arizona)

2020 Heavyweight Stars Light Up Nebula NGC 6357


The small open star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 in Scorpius, about 8,000 light-years away from Earth. Some of the stars in this cluster are extremely massive and emit intense ultraviolet radiation. The brightest object in the picture is designated Pismis 24-1. It was once thought to weigh as much as 200 to 300 solar masses. This would not only have made it by far the most massive known star in the galaxy, but would have put it considerably above the currently believed upper mass limit of about 150 solar masses for individual stars. However, Hubble Space Telescope high-resolution images of the star show that it is really two stars orbiting one another (inset pictures at top right and bottom right). They are estimated to each be 100 solar masses. In addition, spectroscopic observations with ground-based telescopes further reveal that one of the stars is actually a tight binary that is too compact to be resolved even by Hubble. This divides the estimated mass for Pismis 24-1 among the three stars. Although the stars are still among the heaviest known, the mass limit has not been broken thanks to the multiplicity of the system. The observations were performed by a team of astronomers led by J. Maí;z Apellániz of the Instituto de Astrofí;sica de Andalucí;a in Spain. The team imaged Pismis 24-1 with Hubble's Advanced Camera for Surveys in April 2006. The images of NGC 6357 were taken with Hubble's Wide Field and Planetary Camera 2 in April 2002.

Credits: NASA, ESA, and J. Maí;z Apellániz (Instituto de Astrofísica de Andalucía, Spain)

2079 Hubble Sees Moons Racing Across Saturn


This movie still captures the moons Mimas, Enceladus, and Dione as they begin their race across Saturn's disk. The still is from a movie created from images taken by NASA's Hubble Space Telescope. It reveals the planet's rings tilted nearly edge-on toward the Sun, an event that occurs once every 15 years. Because of this special alignment, the moons cast shadows on the planet and its rings. Dione is on the far left of the image, Mimas is in the middle, and Enceladus is on the right. Dione and Enceladus are casting long shadows on the rings. The "thumbnail" images on the left are frames from the movie that show the moons transiting the planet. The images were taken Nov. 17, 1995 with Hubble's Wide Field and Planetary Camera 2, in blue, green, and red filters.

Credits: NASA, ESA, and E. Karkoschka (University of Arizona)

1417 A Composite Image of the Sombrero Galaxy in Visible and Infrared Light


NASA's Spitzer and Hubble Space Telescopes joined forces to create this striking composite image of one of the most popular sights in the universe. Messier 104 is commonly known as the Sombrero galaxy because in visible light, it resembles the broad-brimmed Mexican hat. However, in Spitzer's striking infrared view, the galaxy looks more like a "bull's eye." In Hubble's visible light image, only the near rim of dust can be clearly seen in silhouette. Recent observations using Spitzer's infrared array camera uncovered the bright, smooth ring of dust circling the galaxy, seen in red. Spitzer's infrared view of the starlight, piercing through the obscuring dust, is easily seen, along with the bulge of stars and an otherwise hidden disk of stars within the dust ring. Spitzer's full view shows the disk is warped, which is often the result of a gravitational encounter with another galaxy, and clumpy areas spotted in the far edges of the ring indicate young star-forming regions. The Sombrero galaxy is located some 28 million light-years away. Viewed from Earth, it is just six degrees south of its equatorial plane. Spitzer detected infrared emission not only from the ring, but from the center of the galaxy too, where there is a huge black hole, believed to be a billion times more massive than our Sun. The Spitzer picture is composed of four images taken at 3.6 (blue), 4.5 (green), 5.8 (orange), and 8.0 (red) microns in June 2004 and January 2005. The contribution from starlight (measured at 3.6 microns) has been subtracted from the 5.8 and 8-micron images to enhance the visibility of the dust features. The Hubble Heritage Team took these observations in May 2003 through June 2003 with the space telescope's Advanced Camera for Surveys. Images were taken in three filters (red, green, and blue) to yield a natural-color image. The team took six pictures of the galaxy and then stitched them together to create the final Hubble composite image. This magnificent galaxy has a diameter that is nearly one-fifth the diameter of the full Moon.

Credits: NASA/JPL-Caltech and The Hubble Heritage Team (STScI/AURA)

1737 Neptune - Natural Color with Satellites


Credits: NASA, ESA, E. Karkoschka (University of Arizona), and H.B. Hammel (Space Science Institute, Boulder, Colorado)

2778 Compass and Scale Image for Vesta


Credits: Illustration: NASA, ESA, and Z. Levay (STScI); Science: NASA, ESA, J.-Y. Li (University of Maryland, College Park), and L. McFadden (NASA/GSFC)

4516 Light Passing Through a Filter


A colored-glass window allows only its particular color of light to pass through – it filters out the other colors of the spectrum. Hubble's filters work the same way, allowing only a specific color of light to pass through.

Credits: NASA and STScI

3427 Dwarf Galaxy M60-UCD1


This is a Hubble Space Telescope image of the ultracompact dwarf galaxy M60-UCD1. The galaxy crams 140 million stars within a diameter of about 300 light-years. Astronomers believe that a monster black hole resides at the center of the galaxy.

Credits: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

1484 Ring Around Supernova 1987A (SN1987A) - July 10, 1997


Credits: NASA, P. Challis, R. Kirshner (Harvard-Smithsonian Center for Astrophysics) and B. Sugerman (STScI)

1029 The Heart of the Galaxy M82 in Infrared Light


Credits: NASA, ESA and R. de Grijs (Inst. of Astronomy, Cambridge, UK)

216 Jupiter Comet Impact


2706 Compass and Scale Image for UVIS/IR/Details


Credits: NASA, ESA, and M. Livio and the Hubble 20th Anniversary Team (STScI)

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