... For us to see them from such great distances, quasars must be producing enormous energy -- they are about 1000 times brighter than an average galaxy! ... One of their choices for the energy source of quasars was a black hole. ... On the one hand, it may seem difficult to think that mere friction between bits of matter could account for the energy of a quasar, but, on the other hand, gravity is unimaginably strong near a black hole. ... How does matter actually rush towards the black hole? ...

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... Tonight's Sky . ... Observing . ... stars . ... The universe's first objects . New observations from NASA's Spitzer Space Telescope strongly suggest that infrared light detected in a prior study originated from clumps of the very first objects of the universe. ... The remaining background light is from a period of time when the universe was less than one billion years old, and most likely originated from the universe's very first groups of objects — either huge stars or voracious black holes. ...

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• Scientists detect magmatic water on Moon's surface | Astronomy.com
• Voyager 1 explores final frontier of our т??solar bubbleт?? | Astronomy.com
• Rapidly spinning stars explain dark matter signal from galactic center |

OptInt PmWiki : Pm Wiki / Page specific variables . ... Page variables have the form {$ variable } , and can be used in page markup or in certain formatting strings in PmWiki. ... Prefixing the variable name with an asterisk (*) means the variable reflects the value related to the target page or main page. ... Namespaced} - spaced page name, as in "Page Variables" . ... Defines new Page Variable of name $CurrentSkin, which can be used in the page with {$CurrentSkin} (also for Conditional markup ). ...

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• OptInt PmWiki : Page specific variables
• The use of Positive Matrix Factorization in the analysis of molecular line

Next: NICMOS Camera 3 Parallel Up: NICMOS Science Previous: HST-NICMOS Observations of Galactic . ... Observations . ... Arp 299 (IC 694 + NGC 3690) is one of the nearest examples of interacting galaxies with a high infrared (IR) luminosity ( , for the assumed distance Mpc), close to the limiting value for ultraluminous IR galaxies. We present HST /NICMOS observations taken with all three cameras. ... We have presented HST /NICMOS observations of the interacting system Arp 299 (IC 694 + NGC 3690). ...

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• HST NICMOS Observations of Circumstellar Matter Around CYG X-3

... Next: Object Detection Using Up: Object Detection and Previous: Automated Classification of . ... A status report of the The GSC Object Classifier (GOC) project is presented. ... The GSC contains multiple entries for some objects due to plate overlap. It classifies objects as stars, non-stars, galaxies, blends and potential artifacts; the latter three classifications are rare, and only exist in GSC version 1.1, to which they were added manually. ... star, . ... non-star, . ...

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• Positive Iterative Deconvolution in Comparison to Richardson-Lucy Like
• A Generic Data Exchange Scheme Between FITS Format and C Structures
• Time Series Analysis of Unequally Spaced Data: Intercomparison Between