* Astronomy

A Fireball accompanied by a loud explosion was observed before dawn on January 20 2013 across broad areas of the Kanto region, Japan. Bright Meteor Japan January 20, 2013 Spoiler Huge Fireball Over Japan - 1/20/2013 [spoiler...

On August 30-August 31, 2005 two space-based and four professional ground-based observatories are scheduled to observe the cataclysmic variable star AE Aquarii Each of the observatories covers a different wavelength of light. Amateur astronomers have been asked to cover the visibl...

Title: A Type Ia Supernova at Redshift 1.55 in Hubble Space Telescope Infrared Observations from CANDELS Authors: Steven A. Rodney, Adam G. Riess, Tomas Dahlen, Louis-Gregory Strolger, Henry C. Ferguson, Jens Hjorth, Teddy F. Frederiksen, Benjamin J. Weiner, Bahram Mobasher, Stefano Caserta...

Title: 100 million years after the Big Bang Authors: Jeremy Mould Dark Energy Camera on the Blanco 4 meter telescope not only has the focal plane size the 4 meters were built for, but also has excellent near infrared response. A DECam Deep Fields program is outlined, which can reach M* galaxies at reds...

A solar flare on January 20, 2005 released the highest concentration of protons ever directly measured Read more

The third BCool workshop will be held at the University of Saint Andrews (Saint Andrews, UK) from 20-24 January 2014. It will start with 3 days of invited and contributed talks (20-22 January) with two additional and optional days (23-24 January) for small collaborative meetings. Read more

The 370 - 820 metre wide asteroid 2005 YP180 will make a close pass (30.5 lunar distances, 0.0783 AU), travelling at 17.22 km/second, to the Earth-Moon system on the 20th January 2014 @ 11:40 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (...

Title: Cyclical period changes in HT Cas: a clear difference between systems above and below the period gap Authors: B. W. Borges, R. Baptista, C. Papadimitriou, O. Giannakis We report the identification of cyclical changes in the orbital period of the eclipsing cataclysmic variable HT Cas. We m...

Title: On the SW Sex-Type Eclipsing Cataclysmic Variable SDSS0756+0858 Author: Gagik Tovmassian, Mercedes Stephania Hernandez, Diego Gonzalez-Buitrago, Sergey Zharikov, Maria Teresa García-Díaz We conducted a spectroscopic and photometric study of SDSS J075653.11+085831. X-ray obser...

XMM-Newton has, for the first time, detected signals from both stars of a binary pulsar system in X-rays, unveiling a scientific goldmine. Each star of the closely-packed system is a dense neutron star, spinning extremely fast, radiating X-rays in pulses. The binary pulsar PSR J0737-3039 was fi...

Title: The Nature of the Atmosphere of the Transiting Super-Earth GJ 1214b Authors: E. Miller-Ricci, J. J. Fortney The newly discovered planet GJ 1214b is the first known transiting super-Earth requiring a significant atmosphere to explain its observed mass and radius. Models for the structure...

Title: Remnant of a "Wet" Merger: NGC 34 and Its Young Massive Clusters, Young Stellar Disk, and Strong Gaseous Outflow Authors: Francois Schweizer (OCIW), Patrick Seitzer (U. Michigan) This paper presents new images and spectroscopy of NGC 34 (Mrk 938) obtained with the du Pont 2.5-m...

3745 Petaev (1949 SF) is a main-belt asteroid discovered on September 23, 1949 by K. Reinmuth at Heidelberg. Source

The Dongtai (LL6) meteorite fell in Jiangsu, China, on the 20th January, 1970. A total mass of 5.5 kg was recovered. 32° 55'N, 120° 47'E

The Palmyra (L3) meteorite fell in Missouri, USA, on the 20th January, 1926. A total mass of 135 g was recovered. 39° 48'N, 91° 30'W