... Comet Halley and the Milky Way . ... Comet Halley was photographed superposed in front of the disk of our Milky Way Galaxy in 1986 by the Kuiper Airborne Observatory. Comet Halley is the bright white streak near this photograph's center. Comet Halley is the most famous comet in history, and returns to the inner Solar System every 76 years. ... When a massive star exhausts its nuclear fuel it explodes. ... Do not look at stars as bright spots only - try to take in the vastness of the universe." ...

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Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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• Bright Supernova pages - Statistics for 2006
• Bright Supernova pages - Statistics
• Bright Supernova pages - Statistics for 2003

... August 27, 1999 . Chandra's First Light: Cassiopeia A . Credit Chandra X-ray Observatory , NASA . Explanation: Cosmic wreckage from the detonation of a massive star is the subject of this official first image from NASA's Chandra X-ray Observatory . ... With this and other first light images , the Chandra Observatory is still undergoing check out operations in preparation for its much anticipated exploration of the X-ray sky. ... Tomorrow's picture: X-Ray Pleiades . ... About APOD > . ...

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• APOD: 2015 August 28 - Puppis A Supernova Remnant
• APOD: 2005 August 17 - Planets over Paranal
• APOD: August 21, 1998 - A Massive Cluster In A Young Universe

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... A bright nova has recently been discovered in the constellation of Delphinus (The Dolphin). ... The nova was confirmed late on August 14 at a magnitude of 6.3 (in a dark sky the faintest naked-eye stars are approximately 6.0 magnitudes - the lower the magnitude the brighter a star). ... Nova explosions occur in binary systems composed of a star similar to our Sun but only ~1/10 of its mass, and a star called a white dwarf. ...

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• Extrasolar Planetary Systems: More Like Ours - by David Perez-Suarez, Armagh
• Latest News
• New Jupiter Moon

Amalthea . Jupiter V . Amalthea [am-al-THEE-uh] is one of Jupiter's smaller moons. ... These four images of Jupiter's moon, Amalthea, were taken by Galileo's solid state imaging system at various times between February and June 1997. ... Amalthea, whose longest dimension is approximately 247 kilometers (154 miles) across, is tidally locked so that the same side of the satellite always points towards Jupiter, similar to how the near side of our own Moon always points toward Earth. ...

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• APOD: 2000 August 18 - X-Rays From Antennae Galaxies
• Jupiter's Moon Adrastea
• APOD: August 6, 1998 - Infrared Horsehead

... These other worlds are the moons of our Solar System , of which there are approximately 170 in orbit around our planets.Some of these moons are very interesting, and have diverse and unique features, very different to our barren, heavily cratered Moon .Jupiter, the largest planet in our solar system has the most moons of any planet with known 64 moons in orbit.The four ... Ganymede, the largest moon in the Solar System thought to have oceans located underneath its icy surface.( ...

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• Kepler-11: a strange and crowded planetary system | Astronotes
• Exoplanet HAT-P-1b: weird, warm and fuzzy | Astronotes
• Cepheids Inconstant Stars which break the rules | Astronotes

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

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• The High-Z SN Search Description
• Siding Spring Survey
• Cepheid Variables

Program Number . ... The Host Environments of Type Ia Supernovae in the SDSS Survey . ... Those changes are most apparent in Jovian atmosphere, which displays a wide variety of bands and spots, reflecting complex meteorological phenomena (see, e.g., previous ACS observations of the upper atmosphere and of the new little red spot ). ... The present program builds on past HST programs (see Program GO 10534 ) that have monitored atmospheric changes in the two outermost gas giants, Uranus and Neptune. ...

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• HST this week
• Dust in the bright supernova remnant N49 in the LMC
• HST this week: 219

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• Galaxy Gallery Page II
• The Galaxy Gallery Page 6: Comparative Morphology
• Fabry-Perot Images of Starburst Galaxies

... Luminous blue variable (LBV) stars are the most massive stars with 40-120 solar masses, which are passing the short stage of evolution losing their hydrogen envelopes before exploding as Supernovae. These are extremely rare objects, only about a dozen of the most massive LBVs are known in the Galaxy. ... In the spectral observations of stars with infrared circular nebulae, found in the Spitzer survey (24 microns), a new LBV star in the Galaxy was discovered. It was named MN112. ...

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• Detection of unique bright radio flare of X-ray binary
• New LBV Stars in the Andromeda Galaxy
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group

Amalthea . Jupiter V . Amalthea [am-al-THEE-uh] is one of Jupiter's smaller moons. ... It was also the first moon of Jupiter to be discovered since Galileo's discovery of the four Galilean Moons in 1610. Amalthea is extremely irregular, having dimensions of about 270x165x150 kilometers in diameter. ... Discovered by . ... Topographic Map of Amalthea . ... As with all maps, it is the cartographer's interpretation; not all features are necessarily certain given the limited data available. ...

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• Jupiter's Moon Adrastea
• Jupiter's Moon Thebe
• Solar System Extrema

... Gravitational wave search provides insights into galaxy evolution and mergers . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... XMM-Newton's massive discovery . The orbiting observatory has found the most massive cluster of galaxies. ... ESA's orbiting X-ray observatory XMM-Newton has discovered the most massive cluster of galaxies seen in the distant universe until now. ... Such massive galaxy clusters are thought to be rare objects in the distant Universe. ...

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• X-rays discovered from young supernova remnant | Astronomy.com
• Ancient super-bright quasar with massive black hole found | Astronomy.com
• Supernova light echoes discovered | Astronomy.com

... It was discovered that it would pass about 0.02 AU (about 3 million miles) from the Earth on 1998 August 11 --- close enough to be observed by the Arecibo Planetary Radar and (at much lower S/N) by the Goldstone Solar System Radar. ... Even at this distance, the Arecibo Planetary Radar can obtain images at up to 7 meter resolution. ... This delay-Doppler image of asteroid 1998 ML14 was taken on UTC 1998 August 15 12:45. ... A higher-resolution image taken on Aug 16. ... The Arecibo Observatory . ...

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• National Astronomy and Ionosphere Center (Arecibo Observatory)
• Arecibo Radar Discovers Triple Near-Earth Asteroid
• Asteroid 1998 ML14 1998 Aug 14-17

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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... The SN 1998bv discovered on April 6, 1998 in the blue compact galaxy HS 1035+4758 is the second supernova observed in a low-mass galaxy with intense SF burst. ... According to its characteristic spectrum, SN 1998bv is a type II supernova with estimated peak absolute brightness M 16.3. The very slow fading of its brightness suggests that the SN was discovered at the Plateau phase, 20-30 days after the peak of the light curve. The most probable classification of SN 1998bv is regular SN II-P. 3. ...

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• Supernova 1998bv in HS1035+4758

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

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... In the picture it looks like a peaceful place, but astronomers have spotted the violent explosions of two stars in this galaxy over the past 30 years. The explosion of a massive star is called a supernova. ... The first supernova that was spotted in this galaxy was discovered by professional astronomers, using a big telescope that is based in the desert in the country Chile in South America. ... Any changes in the brightness of an area of the galaxy could mean that a star has exploded. ...

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• Massive galaxies discovered in the early Universe | ESO
• Massive galaxies discovered in the early Universe
• ESO - Thesis Topic: The interplay of massive stars, gas and dust in very nearby

... The (very) slow rotation of magnetic Ap stars. ... Magnetic stars in young clusters and associations. ... Magnetic fields in low-mass stars from high-resolution infrared spectroscopy. ... Magnetic field measurements of late B-type starss. ... Measurement of magnetic field of FK Com. ... Magnetic field of white dwarfs. ... The magnetic star evolution project (teleconference). ... Conference-2014 . Program . ... Laboratory for the Stellar Magnetism Study of SAO of RAS . ...

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• Laboratory for the Stellar Magnetism Study of SAO of the RAS - Magnetic stars -
• Olga Maryeva homepage
• Bispectrum Speckle Interferometry of the Massive Protostellar Object S140 IRS

... This artist's impression shows the remarkable planetary system around the Sun-like star HD 10180 five planets and evidence for two more. ... Richest Planetary System Discovered . ... This remarkable discovery also highlights the fact that we are now entering a new era in exoplanet research: the study of complex planetary systems and not just of individual planets. ... The newly discovered system of planets around HD 10180 is unique in several respects. ...

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• ASP: Contents, July/August 1998
• ASP: The Music of the New Spheres?
• ASP: What Have We Learned About Halley's Comet?

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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