Ron Josten

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Astronomers have filmed 4 planets orbiting an alien solar system

Located about 129 light years from Earth in the direction of the Pegasus constellation is the relatively young star system of HR 8799.<p>Beginning in 2008, four orbiting exoplanets were discovered in this system which — alongside the exoplanet Formalhaut b— were the very first to be confirmed using …

Recovered SpaceX rocket arrives in Port of Los Angeles

LOS ANGELES (AP) — The first stage of a SpaceX rocket that landed on a platform floating in the Pacific Ocean after a weekend launch has arrived in …

APOD: The Horsehead Nebula from Blue to Infrared (2014 Jul 28) Image Credit & Copyright: Optical: Aldo Mottino & Carlos Colazo, OAC, Córdoba; Infrared: Hubble Legacy Archive http://apod.nasa.gov/apod/ap140728.html Explanation: One of the most identifiable nebulae in the sky, the Horsehead Nebula in Orion, is part of a large, dark, molecular cloud. Also known as Barnard 33, the unusual shape was first discovered on a photographic plate in the late 1800s. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star Sigma Orionis. The darkness of the Horsehead is caused mostly by thick dust, although the lower part of the Horsehead's neck casts a shadow to the left. Streams of gas leaving the nebula are funneled by a strong magnetic field. Bright spots in the Horsehead Nebula's base are young stars just in the process of forming. Light takes about 1,500 years to reach us from the Horsehead Nebula. The above image is a digital combination of images taken in blue, green, red, and hydrogen-alpha light from the Argentina, and an image taken in infrared light by the orbiting Hubble Space Telescope. http://www.oac.uncor.edu/ http://hla.stsci.edu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140728 #APOD

Unique pair of hidden black holes discovered by XMM-Newton

22 April 2014<p><b>A pair of supermassive black holes in orbit around one another have been spotted by XMM-Newton. This is the first time such a pair have</b> …

Black Holes

Red Moon, Green Beam

A green beam shooting out of a red moon looks like a still from a sci-fi film. This image was captured by NASA on April 15th in the early morning …

Studies of Extreme Earth Life Can Aid Search for Alien Lifeforms, Scientists Say

Until we understand the limits of life, it will be difficult to determine if alien planets can host any living beings, scientists say.<p>By studying …

Water vapor has been detected in the atmosphere of one of the first alien planets ever identified by astronomers: http://oak.ctx.ly/r/quoq

NASA's Kepler space telescope has discovered more than 700 new exoplanets, nearly doubling the current number of confirmed alien worlds. Read more: http://oak.ctx.ly/r/qwvh

What Is Dark Energy? A Force That Drives Astronomers and Theoretical Physicists Bonkers.

Dark energy and I came of age together. In 1998, two competing groups of astronomers discovered that the expansion of the universe was accelerating; …