Carl Swartz, a Swedish amateur astronomer and correspondent of Charles Dupuis, Jean Delambre, and Jean Bailly, wrote a treatise in Swedish on the origin and meaning of the constellations, which was translated into French and went through several editions. Peter Doig (A Concise History of Astron...
Raymond Hide CBE FRS (born 17 May 1929) is a British physicist, who was formerly Professor of Physics at the University of Oxford. Since 2000, he has been Senior Research Investigator at Imperial College, London. Read more
Sir Joseph Norman Lockyer, FRS (17 May 1836 - 16 August 1920), known simply as Norman Lockyer, was an English scientist and astronomer. Along with the French scientist Pierre Janssen he is credited with discovering the gas helium. Lockyer also is remembered for being the founder and first editor of...
Frederick Hanley Seares (May 17, 1873 - July 20, 1964) was an American astronomer. He worked at Mount Wilson Observatory and won the Bruce Medal in 1940. Read more
Archaeologists said on Monday they found more than 1 000 silver coins in a Viking-age hoard discovered by chance on the Swedish island of Gotland.
The treasure, believed to have been buried in the 10th century, also included several silver bracelets and weighed about three kilograms.
Edvin Sa...
Scientists closer to build a practical quantum computer Physicists at the National Institute of Standards and Technology (NIST), US, have demonstrated sustained, reliable information processing operations on electrically charged atoms (ions), thus raising prospects for building a practi...
Title: Relative photometry of HAT-P-1b occultations Authors: Bence Béky, Matthew J. Holman, Ronald L. Gilliland, Gáspár Á. Bakos, Joshua N. Winn, Robert W. Noyes, Dimitar D. Sasselov We present HST STIS observations of two occultations of the transiting exoplanet HAT-P-1b. By measuring the pl...
Title: MN Lup: X-rays from a weakly accreting T Tauri star Authors: H. M. Guenther, U. Wolter, J. Robrade, S. J. Wolk Young T Tauri stars (TTS) are surrounded by an accretion disk, which over time disperses due to photoevaporation, accretion, and possibly planet formation. The accretion shock on th...
Roy Patrick Kerr CNZM (born 16 May 1934) is a New Zealand mathematician who is best known for discovering the Kerr vacuum, an exact solution to the Einstein field equation of general relativity. Read more
Activity Continues On the SunCredit: NASA/SDO/GSFC These images from NASA's Solar Dynamics Observatory show four X-class flares emitted on May 12-14, 2013 - the first four X-class flares of 2013. Each panel is a blend of two images one showing light in the 171 Angstrom wavelength and the other in 13...
In the middle of the Devonian Period some 385 million years ago, the Wissahickon Schist was the heart of a huge mountain chain that was something like the Pacific Northwest of today. Volcanoes formed here and there. The land was subjected to earthquakes and eruptions from time to time. To the west was...
The NC-4 was a Curtiss NC flying boat which was designed by Glenn Curtiss and his team, and manufactured by Curtiss Aeroplane and Motor Company. In May 1919, the NC-4 became the first aircraft to fly across the Atlantic Ocean, starting in New York State and making the crossing as far as Lisbon, Portuga...
NASA Probe Counts Space Rock Impacts on Mars Scientists using images from NASA's Mars Reconnaissance Orbiter (MRO) have estimated that the planet is bombarded by more than 200 small asteroids or bits of comets per year forming craters at least 3.9 meters across. Researchers have identified 248 ne...
Title: Deep Chandra X-ray Imaging of a Nearby Radio Galaxy 4C+29.30: X-ray/Radio Connection Authors: Aneta Siemiginowska (1), Lukasz Stawarz (2,3), Chi C. Cheung (4), Thomas L. Aldcroft (1), Jill Bechtold (5), D.J. Burke (1), Daniel Evans (1,6), Joanna Holt (7), Marek Jamrozy (3), Giulia Migli...
