* Astronomy

Maxima of long period variable R Hydrae on the 21st November, 2011 Magnitude range: 4.5-9.5 Period: 385 days Type: Mira Position (2000): RA 13 29 42.78187 | Dec -23° 16' 52.7747'' Google earth file: R Hydrae.kmz (1kb, kmz)

Whitelight image of sunspot 12659 captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: The Active Asteroids Author: David Jewitt, Henry Hsieh, Jessica Agarwal Some asteroids eject dust, producing transient, comet-like comae and tails; these are the active asteroids. The causes of activity in this newly-identified population are many and varied. They include impact ejec...

Title: HD 46487 is Now a Classical Be Star Author: David G. Whelan, R. David Baker We present the first observations of hydrogen line emission detected around the B-type star HD 46487, a well-studied star in the CoRoT field of view. The emission is only evident in the H-alpha line, for which the observ...

[url=http://news.yahoo.com/news?tmpl=story&cid=624&e=3&...

The new Trans-Neptunian objects mentioned in the press earlier this year are being formally announced this week at a planetary conference in Cambridge, England. Bearing the extremely temporary names 'Xena,'([url=http://mysite.wanadoo-members.co.uk/blobrana/database/2003...

Melting asteroids and the building blocks of early Earth Important new research documenting how the Earth formed from melted asteroids 4.5 billion years ago is published in the 16 June issue of Nature. The paper was written by Dr Richard Greenwood and Dr Ian Franchi of the Open University...

Earth is currently moving through a swarm of pebble-sized meteoroids; when one hits our atmosphere at 65,000 mph. it will produce a spectacular fireball. These fireballs are part of the annual Taurid meteor shower. Every year, in late October and early November, meteors seem to shoot out of the c...

Title: Deep ACS Imaging in the Globular Cluster NGC6397: Dynamical Models Authors: Jarrod R. Hurley, Michael M. Shara, Harvey B. Richer, Ivan R. King, D. Saul Davis, Jason S. Kalirai, Brad M. S. Hansen, Aaron Dotter, Jay Anderson, Gregory G. Fahlman, R. Michael Rich We present N-body models to comp...

NGC 6946 (also The Fireworks Galaxy, Arp 29, Caldwell 12, MCG 10-29-6, UGC 11597 and PGC 65001) is a magnitude ++9.6 intermediate spiral galaxy located 22.5 ±7.8 million light-years on the border of the constellations Cepheus and Cygnus. The galaxy was discovered by German-British astronomer Wi...

ATel 10423: ASASSN-17gr: Discovery of A Probable Supernova in CGCG 079-058

New Zealand space launch has nation reaching for the stars New Zealand has never had a space program, but it could soon be launching commercial rockets more often than the United States. That's if the plans of California-based company Rocket Lab work out. Founded by New Zealander Peter Beck, the com...

Max Planck researchers uncover the survival strategy of microorganisms responsible for the world-wide emission of methane from rice paddies About 10 to 25 percent of the world's methane emissions come from flooded rice paddies. Methane is a greenhouse gas produced by various groups of micr...

ATel 10426: First Confirmed Supernova with the SkyMapper/Zooniverse Supernova Sighting Project

Whitelight 6 panel photomosaic of sunspot 12659 captured with a 100mm f5 Helios refractor and Vesta pro webcam.