Mysterious signal from deep space

Mysterious signal from deep space

Mysterious radio signals from space have been known to repeat, but for the first time, researchers have noticed a pattern in a series of bursts coming from a single source half a billion light-years from Earth. Fast radio bursts, or FRBs, are millisecond-long bursts of radio waves in space. Individual radio bursts emit once and don’t repeat. But repeating fast […]

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InSight Steers Toward Mars

InSight Steers Toward Mars

NASA’s InSight Steers Toward Mars. The InSight lander has made its first course correction towards Mars. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is the first mission dedicated to exploring the deep interior of Mars. The lander is currently encapsulated in a protective aeroshell, which launched on top of an Atlas V 401 rocket on […]

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Ice in a planetary cauldron

With temperatures in excess of 800 F, Mercury is one of the last places in the solar system you’d expect to find ice. But when NASA’s Messenger spacecraft transmitted its first optical images of the closest planets to the sun, that’s exactly what scientists discovered. Mercury sits about 36 million miles from the sun, which is roughly 57 million miles […]

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Relics of the big bang

Astronomers have discovered two clouds of gas some 12 billion light-years away that appear to preserve the primordial conditions of the universe in the minutes after the big bang. The clouds contain just hydrogen and its isotope deuterium, making them “the first examples to fit precisely” into what scientists think the early universe was like, University of California astronomer Jason […]

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Mapping the moon

Two NASA probes that spent last year orbiting the moon have returned stunning new geological maps that could help explain how it, Earth, and other planets in our solar system formed. The probes, named Ebb and Flow, flew identical orbits just miles above the moon’s surface to measure its gravity field. Slight disruptions in their paths—caused by the push and […]

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