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ESO Optical Image of Westerl
…
| Name |
ESO Optical Image of Westerlund 1 |
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Cygnus X-1, XTE J1650-500 &
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| Name |
Cygnus X-1, XTE J1650-500 & GX 339-4: "Iron-Clad" Evidence For Spinning Black Hole |
| Category |
Black Holes |
| Release Date |
September 17, 2003 |
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Westerlund 1: Neutron Star D
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| Name |
Westerlund 1: Neutron Star Discovered Where a Black Hole Was Expected |
| Category |
Normal Stars & Star Clusters, Neutron Stars/X-ray Binaries |
| Release Date |
November 02, 2005 |
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Stingray Nebula
| Title |
Stingray Nebula |
| Full Description |
This Wide Field and Planetary Camera 2 image captures the infancy of the Stingray nebula (Hen-1357), the youngest known planetary nebula. In this image, the bright central star is in the middle of the green ring of gas. Its companion star is diagonally above it at 10 o'clock. A spur of gas (green) is forming a faint bridge to the companion star due to gravitational attraction. The image also shows a ring of gas (green) surrounding the central star, with bubbles of gas to the lower left and upper right of the ring. The wind of material propelled by radiation from the hot central star has created enough pressure to blow open holes in the ends of the bubbles, allowing gas to escape. The red curved lines represent bright gas that is heated by a "shock" caused when the central star's wind hits the walls of the bubbles. The nebula is as large as 130 solar systems, but, at its distance of 18,000 light-years, it appears only as big as a dime viewed a mile away. The Stingray is located in the direction of the southern constellation Ara (the Altar). The colors shown are actual colors emitted by nitrogen (red), oxygen (green), and hydrogen (blue). |
| Date |
03/01/1996 |
| NASA Center |
Hubble Space Telescope Center |
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Hubble Reveals Details of a
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| Title |
Hubble Reveals Details of a Newly Born Planetary Nebula |
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Too Close for Comfort
| Title |
Too Close for Comfort |
| General Information |
What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. Back to top [ #top ] |
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Too Close for Comfort
| Title |
Too Close for Comfort |
| General Information |
What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. Back to top [ #top ] |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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How White Dwarfs Get Their '
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| Title |
How White Dwarfs Get Their 'Kicks' |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Sees Faintest Stars i
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| Title |
Hubble Sees Faintest Stars in a Globular Cluster |
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Hubble Finds a Young Planeta
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| Title |
Hubble Finds a Young Planetary Nebula |
| General Information |
What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. This is a NASA Hubble Space Telescope picture of a recently-formed ?planetary nebula,? known as Hen 1357. This expanding cloud of gas was ejected from the aging star in the center. Much of the gas is concentrated in a ring which appears tilted 35 degrees. Besides the big clumps in the ring, HST's detailed images reveal many smaller clumps and wisps of gas, indicating turbulent motions and other activity in the nebula. Two bubbles of gas seen above and below the ring have burst open at their ends, allowing gas from inside to escape. |
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Hubble Rules Out a Leading E
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| Title |
Hubble Rules Out a Leading Explanation for Dark Matter |
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Hubble Rules Out a Leading E
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| Title |
Hubble Rules Out a Leading Explanation for Dark Matter |
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How White Dwarfs Get Their '
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| Title |
How White Dwarfs Get Their 'Kicks' |
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How White Dwarfs Get Their '
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| Title |
How White Dwarfs Get Their 'Kicks' |
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How White Dwarfs Get Their '
…
| Title |
How White Dwarfs Get Their 'Kicks' |
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Hurricane Dennis
| Title |
Hurricane Dennis |
| Description |
After striking Cuba on July 8, 2005, Hurricane Dennis had lost strength from passing over land. However in the Gulf of Mexico, it recovered and strengthened into a powerful Category 4 storm once again during the early morning hours of July 9th, with maximum sustained winds back up to 125 knots (144 mph). Fortunately for residents in the Florida panhandle, Dennis weakened just before making landfall due to the storm's passage over slightly cooler water. Dennis made landfall around 3:30 p.m. CDT on July 10th just east of Pensacola, Florida, as a Category 3 storm with maximum sustained winds of 120 mph. This image shows Hurricane Dennis at 22:41 UTC (5:31 p.m. CDT) on July 10th, just after the storm had made landfall. The eye is already open to the south as hurricanes tend to quickly weaken over land, and almost all of the rain is occurring north and east of the center (green and blue areas). Rain rates in the center of the swath are from the TRMM Precipitation Radar (PR), the only radar measuring precipitation from space. Rain rates in the outer swath are from the TRMM Microwave Imager (TMI). The rain rates are overlaid on infrared (IR) data from the TRMM Visible Infrared Scanner (VIRS). This image shows a rejuvenated Dennis with maximum sustained winds back up to 90 knots (104 mph). The eye is well formed and contains intense 2-inch-per-hour rain rates (dark red area) in the northeastern part of the eyewall, an indication that strong heating is occurring in the core and is reinvigorating the system. The Tropical Rainfall Measuring Mission (TRMM) satellite has been monitoring the progress of Dennis since it formed in the eastern Caribbean. Launched in 1997 to measure rainfall over the Tropics, TRMM continues to prove itself as an excellent platform for observing tropical cyclones. TRMM is a joint mission between NASA and the Japanese space agency JAXA. Images produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC). |
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Reflections on NGC 6188
| Title |
Reflections on NGC 6188 |
| Explanation |
NGC 6188 is an interstellar carnival of young blue stars [ http://antwrp.gsfc.nasa.gov/apod/ap980803.html ], hot red gas [ http://antwrp.gsfc.nasa.gov/apod/ap020317.html ], and cool dark dust [ http://antwrp.gsfc.nasa.gov/apod/ap041219.html ]. Located 4,000 light years [ http://chandra.harvard.edu/photo/cosmic_distance.html ] away in the disk [ http://antwrp.gsfc.nasa.gov/apod/ap060113.html ] of our Galaxy, NGC 6188 [ http://www.robgendlerastropics.com/NGC6188text.html ] is home to the Ara OB1 association [ http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?1994A%26A...289..922R ], a group of bright young stars whose nucleus forms the open cluster NGC 6193 [ http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?1988PASP..100.1076A ]. These stars are so bright that some of their blue light reflects off of interstellar dust [ http://antwrp.gsfc.nasa.gov/apod/ap030706.html ] forming the diffuse blue glow surrounding the stars in the above photograph [ http://www.robgendlerastropics.com/NGC6188MP.html ]. Open cluster [ http://en.wikipedia.org/wiki/Open_cluster ] NGC 6193 formed about three million years ago from the surrounding gas, and appears unusually rich in close binary stars. The red glow visible throughout the photograph arises from hydrogen [ http://www.chemicalelements.com/elements/h.html ] gas heated by the bright stars in Ara OB1. The dark dust [ http://en.wikipedia.org/wiki/Interstellar_dust ] that blocks much of NGC 6188's light was likely formed in the outer atmospheres of cooler stars [ http://antwrp.gsfc.nasa.gov/apod/ap990605.html ] and in supernovae ejecta [ http://antwrp.gsfc.nasa.gov/apod/ap971002.html ]. |
|
Hen 1357: New Born Nebula
| Title |
Hen 1357: New Born Nebula |
| Explanation |
This Hubble Space Telescope [ http://oposite.stsci.edu/pubinfo/pr/1998/15/ ] snapshot shows Hen-1357, the youngest known planetary nebula [ http://antwrp.gsfc.nasa.gov/apod/ap011003.html ]. Graceful, gentle curves and symmetry suggest its popular name [ http://greeceny.com/ls/grade4/sea1.htm#Stingray ] - The Stingray Nebula [ http://oposite.stsci.edu/pubinfo/pr/1998/15/pr.html ]. Observations in the 1970s detected no nebular material, but this image from March 1996 clearly shows the Stingray's emerging bubbles and rings of shocked and ionized gas [ http://oposite.stsci.edu/pubinfo/pr/1998/15/ content/prc9815.txt ]. The gas is energized by the hot central star as it nears the end of its life, evolving toward a final white dwarf phase [ http://antwrp.gsfc.nasa.gov/apod/ap961203.html ]. The image also shows a companion star (at about 10 o'clock) within the nebula. Astronomers suspect that such companions account for the complex shapes and rings [ http://www.astro.washington.edu/balick/WFPC2/ ] of this and many other planetary nebulae. This cosmic infant is about 130 times the size of our own solar system and growing. It is 18,000 light-years distant, in the southern constellation Ara [ http://www.astro.wisc.edu/~dolan/constellations/ constellations/Ara.html ]. |
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Hot Stars in the Southern Mi
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| Title |
Hot Stars in the Southern Milky Way |
| Explanation |
Hot blue stars, red glowing hydrogen gas, and dark, obscuring dust clouds are strewn through this dramatic region of the Milky Way in the southern [ http://antwrp.gsfc.nasa.gov/apod/ap990224.html ] constellation of Ara (the Altar) [ http://www.seds.org/Maps/Stars_en/Fig/ara.html ]. About 4,000 light-years from Earth, the stars at the left are young, massive, and energetic. Their intense ultraviolet [ http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html ] radiation is eating away at the nearby star forming cloud complex - ionizing the hydrogen gas and producing the characteristic red "hydrogen-alpha" glow [ http://www.limber.org/trifid.html ]. At right, visible within the dark dust nebula, is small cluster of newborn stars. This beautiful color picture [ http://www.eso.org/outreach/press-rel/pr-1999/phot-21-99.html ] is a composite of images [ http://aibn47.astro.uni-bonn.de/~gallery/articles/imagecolor.html#tri ] made through blue, green, and hydrogen-alpha filters. |
|
Hen-1357: New Born Nebula
| Title |
Hen-1357: New Born Nebula |
| Explanation |
This Hubble Space Telescope picture [ http://oposite.stsci.edu/pubinfo/pr/1998/15/ ] shows Hen-1357, the youngest known planetary nebula [ http://antwrp.gsfc.nasa.gov/apod/ap980325.html ]. Graceful, gentle curves and symmetry suggest its popular name [ http://greeceny.com/ls/grade4/sea1.htm#Stingray ] - The Stingray Nebula [ http://oposite.stsci.edu/pubinfo/pr/1998/15/pr.html ]. Observations in the 1970s detected no nebular material, but this image from March 1996 clearly shows the Stingray's emerging bubbles and rings of shocked and ionized gas [ http://oposite.stsci.edu/pubinfo/pr/1998/15/content/prc9815.txt ]. The gas is energized by the hot central star as it nears the end of its life, evolving toward a final white dwarf phase [ http://antwrp.gsfc.nasa.gov/apod/ap961203.html ]. The image also shows a companion star (at about 10 o'clock) within the nebula. Astronomers suspect that such companions account for the complex shapes and rings [ http://www.astro.washington.edu/balick/WFPC2/ ] of this and many other planetary nebulae. This cosmic infant is about 130 times the size of our own solar system and growing. It is 18,000 light-years distant, in the southern constellation Ara [ http://www.astro.wisc.edu/~dolan/constellations/ constellations/Ara.html ]. |
|
Hot Stars in the Southern Mi
…
| Title |
Hot Stars in the Southern Milky Way |
| Explanation |
Hot blue stars, red glowing hydrogen gas, and dark, obscuring dust clouds are strewn through this dramatic region of the Milky Way in the southern [ http://antwrp.gsfc.nasa.gov/apod/ap990224.html ] constellation of Ara (the Altar) [ http://www.seds.org/Maps/Stars_en/Fig/ara.html ]. About 4,000 light-years from Earth, the stars at the left are young, massive, and energetic. Their intense ultraviolet [ http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html ] radiation is eating away at the nearby star forming cloud complex - ionizing the hydrogen gas and producing the characteristic red "hydrogen-alpha" glow [ http://www.limber.org/trifid.html ]. At right, visible within the dark dust nebula, is small cluster of newborn stars. This beautiful color picture [ http://www.eso.org/outreach/press-rel/pr-1999/phot-21-99.html ] is a composite of images [ http://aibn47.astro.uni-bonn.de/~gallery/articles/imagecolor.html#tri ] made through blue, green, and hydrogen-alpha filters. |
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Reflections on NGC 6188
| Title |
Reflections on NGC 6188 |
| Explanation |
NGC 6188 is an interstellar carnival of young blue stars [ http://antwrp.gsfc.nasa.gov/apod/ap980803.html ], hot red gas [ http://antwrp.gsfc.nasa.gov/apod/ap980214.html ], and cool dark dust [ http://antwrp.gsfc.nasa.gov/apod/ap990519.html ]. Located 4000 light years away in the disk [ http://antwrp.gsfc.nasa.gov/apod/ap971229.html ] of our Galaxy, NGC 6188 [ http://www.aao.gov.au/local/www/dfm/aat074.html ] is home to the Ara OB1 association [ http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?1994A%26A...289..922R ], a group of bright young stars whose nucleus forms the open cluster NGC 6193 [ http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?1988PASP..100.1076A ]. These stars are so bright that some of their blue light reflects off of interstellar dust [ http://antwrp.gsfc.nasa.gov/apod/ap990509.html ] forming the diffuse blue glow in the center of the above photograph [ http://www.aao.gov.au/local/www/dfm/aat074.html ]. Open cluster [ http://www.seds.org/billa/twn/types.html#open ] NGC 6193 formed about three million years ago from the surrounding gas, and appears unusually rich in close binary stars. The red glow visible throughout the photograph arises from hydrogen [ http://www.chemicalelements.com/elements/h.html ] gas heated by the bright stars in Ara OB1. The dark dust [ http://www.pha.jhu.edu/~mseibert/paper/grain.html ] that blocks much of NGC 6188 [ http://www.geocities.com/CapeCanaveral/Hall/4112/ngc6188.html ]'s light was likely formed in the outer atmospheres of cooler stars [ http://antwrp.gsfc.nasa.gov/apod/ap990605.html ] and in supernovae ejecta [ http://antwrp.gsfc.nasa.gov/apod/ap971002.html ]. |
|
STS-60 Cosmonauts in Weightl
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| Title |
STS-60 Cosmonauts in Weightless Environment Training Facility (WETF) training |
| Description |
Russian Cosmonaut Sergei Krikalev maneuvers a small life raft during bailout training at JSC's Weightless Environment Training Facility (WETF). Two SCUBA-equipped divers assisted Krikalev in the STS-60 training exercise (26021), Close-up of Krikalev in life raft in WETF pool (26022). |
| Date |
01.21.1993 |
|
STS-60 Cosmonauts in Weightl
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| Title |
STS-60 Cosmonauts in Weightless Environment Training Facility (WETF) training |
| Description |
Russian Cosmonaut Sergei Krikalev maneuvers a small life raft during bailout training at JSC's Weightless Environment Training Facility (WETF). Two SCUBA-equipped divers assisted Krikalev in the STS-60 training exercise (26021), Close-up of Krikalev in life raft in WETF pool (26022). |
| Date Taken |
1993-01-21 |
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