One hundred years ago, on 15th April 1915, a 36-year-old Albert Einstein presented the complete formulation of the General Theory of Relativity to the Prussian Academy of Sciences. Across the world, events and conferences will be celebrating what is considered, without hyperbole, the most beautiful of physical theories, marrying mathematics with physical concepts in deeply …
A new study analyzes several sites where dead stars once exploded. SDSS In a new report, scientists show that using a particular class of type Ia supernovae that occur near youthful stars can improve measurements of cosmic distances. By Jet Propulsion Laboratory, Pasadena, California, University of California, Berkeley | Published: Monday, March 30, 2015 The …
This collage shows images of six different galaxy clusters taken with NASA’s Hubble Space Telescope and Chandra X-ray Observatory. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. Seventy-two large cluster collisions were studied in total. Using visible-light images from Hubble, the team was …
Hubble and Chandra discover dark matter is not as sticky as once thought Read More »
The MESSENGER spacecraft depicted flying over Mercury’s surface. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington The MESSENGER team initiated the “hover” observation campaign, which was designed to gather data from the planet at ultra-low altitudes until the last possible moment. By Johns Hopkins University Applied Physics Lab, Laurel, Maryland | Published: Thursday, …
Hover campaign promises bird’s-eye view of Mercury’s surface Read More »
Infrared images from instruments at Kitt Peak National Observatory (left) and NASA’s Spitzer Space Telescope document the outburst of HOPS 383, a young protostar in the Orion star-formation complex. Background: A wide view of the region taken from a Spitzer four-color infrared mosaic. E. Safron et al.; Background: NASA/JPL/T. Megeath (U-Toledo) The observed outburst …
NASA satellites catch a “growth spurt” from a newborn protostar Read More »
