Browse All : Ara of Washington, D.C.

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Cygnus X-1, XTE J1650-500 & …
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
Westerlund 1: Neutron Star D …
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
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 ]
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 ]
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
How White Dwarfs Get Their ' …
Title How White Dwarfs Get Their 'Kicks'
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
Hubble Sees Faintest Stars i …
Title Hubble Sees Faintest Stars in a Globular Cluster
How White Dwarfs Get Their ' …
Title How White Dwarfs Get Their 'Kicks'
How White Dwarfs Get Their ' …
Title How White Dwarfs Get Their 'Kicks'
How White Dwarfs Get Their ' …
Title How White Dwarfs Get Their 'Kicks'
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.
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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