Astronomer's study finds 10 times fewer house-sized near earth objects in solar system

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The surprising results of a astronomer's new study find that there are 3.5 million house-sized meteoroids whose orbits bring them close enough to Earth to pose potential impact hazards — ten times fewer than previously thought.
via Science Daily
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Discovery of boron on Mars adds to evidence for habitability

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The discovery of boron on Mars gives scientists more clues about whether life could have ever existed on the planet, according to a new paper.
via Science Daily
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'Extreme' telescopes find the second-fastest-spinning pulsar

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By following up on mysterious high-energy sources mapped by NASA's Fermi Gamma-ray Space Telescope, a Netherlands-based radio telescope has discovered a new pulsar, the second fastest-spinning known.
via Science Daily
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Europa and Jupiter from Voyager 1

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What are those spots on Jupiter? Largest and furthest, just right of center, is the Great Red Spot -- a huge storm system that has been raging on Jupiter possibly since Giovanni Cassini's likely notation of it 352 years ago. It is not yet known why this Great Spot is red. The spot toward the lower left is one of Jupiter's largest moons: Europa. Images from Voyager in 1979 bolster the modern hypothesis that Europa has an underground ocean and is therefore a good place to look for extraterrestrial life. But what about the dark spot on the upper right? That is a shadow of another of Jupiter's large moons: Io. Voyager 1 discovered Io to be so volcanic that no impact craters could be found. Sixteen frames from Voyager 1's flyby of Jupiter in 1979 were recently reprocessed and merged to create the featured image. Forty years ago today, Voyager 1 launched from Earth and started one of the greatest explorations of the Solar System ever.

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Historic adventure

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Video footage recalling the one-of-a-kind journey of Cassini's Huygens probe to the surface of Titan in 2005
via ESA Space Science
http://www.esa.int/spaceinvideos/Videos/2017/09/Cassini-Huygens_Historical_venture

Aerospace test goes green with alternative to explosives

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Scientists have successfully demonstrated a new, more environmentally friendly method to test a rocket part to ensure its avionics can withstand the shock from stage separation during flight.
via Science Daily
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