... Here lie 526,230,881 of the brightest stars known. ... Mimas is one of the smaller moons of Saturn but shows one of the largest impact craters. ... Barsoom . ... Yes, I have been to Barsoom again ..." begins John Carter in Edgar Rice Burroughs' 1913 science fiction classic "The Gods of Mars". ... Astronomers recently announced the detection of three large planets orbiting the star Upsilon Andromedae - the first planetary system known to orbit a normal star other than our Sun. ... The Nearest Stars ....

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... Earth Satellites . ... By admin February 19, 2011 Posted in: Comets and Asteroids . ... Since it was launched in 1999, the Stardust spacecraft has travelled about 5.7 billion km (3.5 billion miles) on its odyssey from Earth to comet Wild 2, back to Earth then on to comet Tempel 1. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 14, 1999 . Dark Sky, Bright Sun . Credit: STS-82 Crew , NASA . Explanation: In low Earth orbit there is not enough atmosphere to diffuse and scatter sunlight, so shadows are black and the sky is dark - even when the Sun shines. ... Tomorrow's picture: La Nina Earth . ... About APOD > . ... NASA Technical Rep.: ...

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

Blackholes Forum Message . Forums: . ... Orbiting Light Retrieval? ... Posted by Dana Barish on February 18, 2005 00:32:19 UTC . How might one retrieve information about light orbiting black holes? ... Use light radited from stars orbiting the black hole - yanniru - February 21, 2005 - 01:02 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... 6161: FOC Aperture location appears to be off by 1 arcsec. ... FOC team supported Phase II proposal development . ... The Bright Object Camera: Part 2 нн ND Filters SPACE TELESCOPESCIENCE INSTITUTE TIPS Meeting 22 Feb 1996 Mark Voit Summary of FOC Activities for the period 18 January 1996 -- 21 February 1996 SPACE TELESCOPESCIENCE INSTITUTE TIPS Meeting 22 Feb 1996 Mark Voit Summary of FOC Activities for the period 18 January 1996 -- 21 February ...

Mathilde . ... On June 27, 1997 the Near-Earth Asteroid Rendezvous (NEAR) spacecraft flew flew past asteroid 253 Mathilde. ... On June 27, 1997 NEAR made a spectatular 25 minute flyby of Mathilde which resulted in more than 500 images of a dark, crater-battered little world that dates to the beginning of the solar system. ... This first image of asteroid 253 Mathilde, returned by the NEAR spacecraft just before 10:00 AM EDT on June 27, 1997, was taken from a distance of 1800 kilometers (1120 miles). ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

... Pluto's orbit is also highly inclined -- tilted 17 degrees to the orbital plane of the other planets. ... Ground-based observations indicate that Pluto's surface is covered with methane ice and that there is a thin atmosphere that might freeze and fall to the surface as the planet moves away from the Sun. ... This is the first image-based surface map of the solar system's most remote planet, Pluto. ... This is the first surface map of Charon, the moon of the solar system's most remote planet, Pluto....

... Home Education Classes AAA Spring Astronomy Class: The Physics of Astronomy тАУ February ? March 2016 . ... Classes . ... AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... This MonthтАЩs Sky тАУ March 2016 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Bad Astronomy . ... Mad Science . ... Suppose a star explodes into a supernova at a distance of about 100 lightyears. ... Supernovae are very bright, and they put out light at all different wavelengths. ... For a typical supernova to be as bright to the human eye as the Sun, it would have to occur at a distance of about a light year from the Earth. ... For a supernova to be as bright as a good solar flare, it would have to be at a distance of about 5-60 light years or so away. ... 2008 Phil Plait. ...

8th of February 2015 . International Year of Light 2015 . High resolution radio emission from RCW 49 . ... Benaglia et al. (2013) analyse Molonglo 843 MHz and ATCA 5.5 / 9 GHz radio continuum data. They find two radio shells closely matching the Spitzer infrared emission, showing pillars, filaments and a bright bridge. The image shows the ATCA 9 GHz radio continuum emission in red , the Spitzer 3.6 micron emission in blue and the Spitzer 8 micron emission in green . ... today * ATNF | ...

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

ESO PR 06/96; 16 February 1996 . ... In the early morning of January 31, 1996, Japanese amateur astronomer Yuji Hyakutake made his second comet discovery within five weeks. ... Information about some earlier comet encounters may be found in the Appendix at the end of this Press Release. ... By a straightforward extrapolation of the current brightness, it would appear that Comet Hyakutake will reach magnitude 1 on March 25, 1996, at the time of the closest approach to the Earth. ...

... The most spectacular view however is from space, where large areas of aurora can be observed simultaneously, even the entire polar cap. ... Such pictures often show a continuous ring of aurora around the polar cap (picture above), caused mostly by electrons leaking out along magnetic field lines, from the plasma sheet of the Earth's magnetic tail. ... Field lines from the auroral oval are believed to lead to the plasma sheet. ... A near-Earth circular polar orbit has many uses. ...

... Tonight's Sky . ... Lunar scientists shed light on Moonт??s impact history . ... The team re-studied those ancient surfaces and measured the sizes of the impact craters using new data obtained from the Lunar Orbiter Laser Altimeter, an instrument on NASAт??s Lunar Reconnaissance Orbiter (LRO) currently orbiting around the Moon . т??This is an exciting time for lunar research with LRO and other spacecraft providing so much new data,т?? said Simone Marchi from NLSI. т??Collaborating with ...

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

... When the Voyager 2 spacecraft flew by the planet Uranus in January 1986, astronomers were treated to their first close-up glimpse of the satellites that orbit the seventh planet. ... But by far the most intriguing of those 15 satellites was a jigsaw-puzzle world called Miranda . ... How dark was it at Miranda? One of the Voyager scientists put it this way: Taking pictures in the Uranus system is like trying to do photography in a ballpark at night when the only light comes from a single candle. ...

... Centaurus A : 15,000,000 light years away, in the constellation Centaurus, the closest AG to Earth . ... Astronomers think that the reason for the unusual shape of this galaxy is because hundreds of millions of years ago two galaxies, one dusty spiral and one bright ellipictal, collided causing a massive black hole in the middle and bright emmision of light. ... Andromeda galaxy: 2.8 million light years away, closest spiral galaxy to earth, farthest object one can see without a telescope. ...

EPIC Calibration and Operation Meeting PN Open Points EPIC NCR Status 7th February 20 01 Fabio Giannini ESA-HQ : 7th February 2001 XMM 1 Summary · PN Open Points · EPIC Status ­ MOS ­ p-n ­ RAD MON ESA-HQ : 7th February 2001 XMM 2 PN Open points · OFFSET / NOISE Transmission current ... RAD MON OPEN Non Conformances ­ All closed by desperation ESA-HQ : 7th February 2001 XMM 7 EPIC Status · MOS Major recent problems ­ Bright pixels in MOS 2 (July 2000). ...