Friday, December 17, 2021

Habitability in the Solar System | SETI Institute

Publisher: SETI Institute
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Deep mantle krypton reveals Earth’s outer solar system ancestry -- ScienceDaily

Krypton from the Earth's mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research from the University of California, Davis.

The different isotopes of krypton are chemical fingerprints for scientists sleuthing out the ingredients that made the Earth, such as solar wind particles and meteorites from the inner and outer solar system.

Publisher: ScienceDaily
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NASA spacecraft Parker Solar Probe 'touches' the sun for the first time in 'monumental moment' -

A NASA spacecraft became the first to "touch the sun," scientists announced Tuesday — a long-awaited milestone and a potential giant leap in understanding the sun's influence on the solar system.

The Parker Solar Probe successfully flew through the sun's corona, or upper atmosphere, in April to sample particles and its magnetic fields, according to research published in the journal Physical Review Letters .

Publisher: Washington Post
Date: 2021-12-15T16:04:18.157Z
Twitter: @WashingtonPost
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Researchers find 'significant amounts of water' in the largest canyon in the solar system |

An orbiter circling Mars has spotted "significant amounts of water" in a formation of canyons often referred to as the Red Planet's Grand Canyon.

The ExosMars Trace Gas Orbiter, which is operated by the European Space Agency and Russia's Roscosmos, detected unusually high quantities of hydrogen beneath the surface of the Valles Marineris canyon system.

Publisher: TheHill
Date: 2021-12-16T18:20:06-05:00
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Where Exactly Does the Solar System End?

If you were to jump into a futuristic spacecraft to take a cruise to the edge of the solar system, how would you know when you’ve reached your destination?

Just like the hypothetical boundary between Earth’s atmosphere and space , there’s some scientific disagreement about where the border is located. What we do agree on, however, is that the solar system reaches much, much further than the furthest planetary body.

Twitter: @thomasnet
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A new green CWIP: Solar system "benefits"? | Editorials | unionleader.com

Construction Work in Progress (CWIP) was the four-letter acronym that once drove to outrage the anti-nuke set in New Hampshire. It was a utility's way of having its ratepayers help pay for the nuclear plant that now cranks out so much power at Seabrook.

There is a modern day version of CWIP but this one is the darling of today's green crowd. You know, the people who think cold and cloudy New Hampshire should run on solar power, with maybe some wind and a bit more insulation thrown in.

Publisher: UnionLeader.com
Date: v0j0-mzLcWkF_pIDUd8mDSoHePIiQmQhGt3nCMnywVs
Twitter: @UnionLeader
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Thorsten Kleine is new director at MPS | EurekAlert!

"We are extremely pleased that Thorsten Kleine, a leading international expert in the field of cosmochemistry, is joining the MPS," says Prof. Dr. Laurent Gizon, Managing Director of the MPS.

"For me, this appointment is a dream come true," says Thorsten Kleine, who most recently held a professorship in planetary science at the University of Münster in Germany.

Publisher: EurekAlert!
Twitter: @EurekAlert
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Star FU Ori is so bright because of a cosmic crash | SYFY WIRE

It's usually mega-stars that cause all the fireworks, but one relatively tiny star does much more than twinkle from 1,500 light years away.

Something is trespassing on a cloud of star stuff in the Orion Nebula . That something is a star that wasn't much to look at until it became 250 times brighter in 1936. FU Ori never dimmed since .

Publisher: SYFY Official Site
Date: 2021-12-16T20:18:07-05:00
Twitter: @syfy
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Astronomical Radar: Illuminating our Understanding of the Solar System

On the left is a radar image of asteroid 1998 WT24 taken in December 2001 by scientists using NASA's the 230-foot (70-meter) DSS-14 antenna at Goldstone, California. On the right is a radar image of the same asteroid acquired on Dec.

Partially processed view of the Tycho Crater at a resolution of nearly five meters by five meters and containing approximately 1.4 billion pixels, taken during a radar project by Green Bank Observatory, National Radio Astronomy Observatory, and Raytheon Intelligence & Space using the Green Bank

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