The Sky Tonight

March 03, 2016

What if extraterrestrial observers called, but nobody heard
Hamilton, Canada (SPX) Mar 02, 2016
As scientists step up their search for other life in the universe, two astrophysicists are proposing a way to make sure we don't miss the signal if extraterrestrial observers try to contact us first. Rene Heller and Ralph Pudritz say the best chance for us finding a signal from beyond is to presume that extraterrestrial observers are using the same methods to search for us that we are using to search for life beyond Earth. Here on Earth, space researchers are focusing most of their search ef ... read more

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Searching for Extraterrestrials Who Might Have Found Us First Are we alone in the universe? To answer this question, astronomers have been using a variety of methods in the past decades to search for habitable planets and for the signals from extraterrestrial ... more		Celestial bodies born like cracking paint A Duke theorist says there's a very good reason why objects in the universe come in a wide variety of sizes, from the largest stars to the smallest dust motes - and it has a lot to do with how paint ... more		Why celestial bodies come in different sizes Our solar system contains one massive object - the sun - and many smaller planets and asteroids. Now researchers from Duke University in Durham, N.C. have proposed a new explanation for the size div ... more
				The realm of buried giants RCW 106 is a sprawling cloud of gas and dust located about 12 000 light-years away in the southern constellation of Norma (The Carpenter's Square). The region gets its name from being the 106th entr ... more		Mysterious cosmic radio bursts found to repeat Astronomers for the first time have detected repeating short bursts of radio waves from an enigmatic source that is likely located well beyond the edge of our Milky Way galaxy. The findings indicate ... more

Explosive start not needed for fast radio bursts After combing through Cornell-archived data, astronomers have discovered the pop-pop-pop of a mysterious, cosmic Gatling gun - 10 millisecond-long "fast radio bursts" - caught by the Arecibo telesco ... more		Coronal mass ejection simulations to boost space weather forecasting Coronal mass ejections (CMEs) are massive expulsions of magnetic flux into space from the solar corona, the ionized atmosphere surrounding the sun. Magnetic storms arising from CMEs pose radiation h ... more		Russia offers to extend nuclear arms limits with US Saudi Arabia and Pakistan sign mutual defense pact Brazil, Chile sign defense agreement		Smoking Gun Uncovering Secret of Cosmic Bullets LOFAR, the low-frequency array radio telescope, normally receives weak radio waves from the distant universe. But now and then an ultra-short, bright radio pulse is observed somewhere in between AM ... more
				Don't Panic: asteroid won't hit Earth but will get close The asteroid 2013 TX68 will come fairly close to Earth in early March, but the exact time and distance of its closest approach will not be known until after the fact. Sean Marshall, a fifth-ye ... more		Tethys, Janus pose with Saturn's rings in new NASA photo A newly shared image from NASA showcases the orbital mecca that is Saturn. ... more

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Is it life, or merely the illusion of life Research from the University of Washington-based Virtual Planetary Laboratory published Feb. 26 in Astrophysical Journal Letters will help astronomers better identify - and thus rule out - "false po ... more		New fast radio burst discovery finds 'missing matter' in the universe An international team of scientists using a combination of radio and optical telescopes identified the distant location of a fast radio burst (FRB) for the first time. This discovery has allowed the ... more		Ex-US climate envoy: Trump threatening 'consensus science' worldwide How did an Indian zoo get the world's most endangered great ape? Australian scientists grapple with 'despicable' butterfly heist		Chinese firm abandons acquisition over US scrutiny A Chinese tech firm has abandoned a multi-billion dollar investment in an American hard-disk manufacturer, state media reported Thursday, after the plan came under scrutiny from US lawmakers. ... more
Hitching a Ride on SLS to Study Solar Particles A miniature research spacecraft called the CubeSat to study Solar Particles (CuSP) is one of the lucky projects that will have the opportunity to hitch a ride on a historic first flight of NASA's Sp ... more		NASA's IBEX observations pin down interstellar magnetic field Immediately after its 2008 launch, NASA's Interstellar Boundary Explorer, or IBEX, spotted a curiosity in a thin slice of space: More particles streamed in through a long, skinny swath in the sky th ... more		NASA Tests Life-Detection Drill in Earth's Driest Place In a harsh environment with very little water and intense ultraviolet radiation, most life in the extreme Atacama Desert in Chile exists as microbial colonies underground or inside rocks. Researcher ... more		Hubble's Blue Bubble Sparkling at the center of this beautiful NASA/ESA Hubble Space Telescope image is a Wolf-Rayet star known as WR 31a, located about 30,000 light-years away in the constellation of Carina (The Keel). ... more

	Sun's Magnetic Fields Best at Forecasting Solar Cycle Peaks Models based on the Sun's polar magnetic fields performed best in simulating the solar cycle and predicting solar behavior. Solar activity level rises and falls every 11 years. The most recent maxim ... more		Black holes banish matter into cosmic voids We live in a universe dominated by unseen matter, and on the largest scales, galaxies and everything they contain are concentrated into filaments that stretch around the edge of enormous voids. Thou ... more

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NASA releases strange 'music' heard by 1969 astronauts

On the Hunt for X-ray Signals from the Extragalactic Universe

Titan Temperature Lag Maps and Animation

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