New Evidence May Identify Mystery Object at Milky Way Galaxy's Core
Dusty Cloud G2
March 27th, 2015
Known to many as "G2," the unidentified object making a loop around the monster black hole at the center of our galaxy could be a cloud of gas, or it could be a star, depending on who you ask.
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Oddball 'Crystal' Survived Crash to Earth Inside Meteorite
An X-ray tomography image of the whole mineral grain (top) where the quasicrystal was found (shown in a scanning electron micrograph image in the bottom panel).
March 18th, 2015
A bizarre crystal-like mineral recently found in a meteorite that crashed to Earth 15,000 years ago adds more support for the idea that the fragile structure can survive in nature. But how it formed at the beginning of the solar system is still a mystery.
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NASA Satellite Quartet Aims to Crack Magnetic Mystery Near Earth
Magnetospheric Multiscale
March 12th, 2015
The Magnetospheric Multiscale mission, which will study a cosmic phenomenon that is both dazzling and dangerous for people on Earth, is scheduled to launch into orbit on Thursday (March 12).
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Liftoff! US, Russia Launch Historic One-Year Space Mission
One-Year Mission Crew Launch
March 27th, 2015
An American astronaut and Russian cosmonaut launched into space Friday to attempt something their two countries have never done together before: a one-year mission on the International Space Station that could help one day send humans to Mars.
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St. Patrick's Day Solar Storm Bombards Earth, Sparks Auroras
This NOAA image shows the forecast for aurora activity on March 17, 2015 during a severe solar storm. NOAA space weather experts say there is a chance for auroras as far south as the mid-United States, along a line extending through Tennessee.
March 17th, 2015
A massive solar storm is bombarding Earth today (March 17), sparking stronger than normal auroras for St. Patrick's Day. The solar storm poses no threat to satellites, but may affect GPS and radio signals.
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Mars Once Supported Behemoth Ocean, New Maps Suggest
Ancient Mars Ocean Water Illustration
March 6th, 2015
Ancient Mars likely once had an ocean large enough to cover 20 percent of the Martian surface, a fifth of the planet, scientists say. But over time, most of that water was lost to space.
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NASA Satellite Captures Amazing 3D Videos of Rain, Snow
Global Precipitation Measurement (GPM) satellite
February 27th, 2015
Mesmerizing and swirling animations of rain and snow dance across a map of the Earth, shown in a video released yesterday (Feb. 26) by NASA's Global Precipitation Measurement (GPM) mission.
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See the Spectacular Aurora Photos from St. Patrick's Day Solar Storm
Aurora Over Kiruna, Sweden, March 17, 2015
March 18th, 2015
Green auroras danced in skies around the world last night thanks to a massive solar storm that super-charged the cosmic light displays for St. Patrick's Day.
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General Relativity at 100: Einstein's Famous Theory Has Aged Well
NASA's Gravity Probe B
March 5th, 2015
The famous theory, which Einstein published in 1915, remains the bedrock upon which scientists' understanding of the origin and evolution of the universe rests.
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