Friday, December 6, 2019

Orbiting robots could soon start repairing satellites in space | Astronomy.com

Ou Ma testing out the technology that would allow satellites to repair and refuel each other in space.

Publisher: Astronomy.com
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Not to change the topic here:

SpaceX rocket launch puts Sonoma State University's small satellite in orbit

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Gonzalez, 21, a fourth-year student at SSU majoring in electrical engineering, was in charge of assembling a 3-pound satellite, about twice the size of a Rubik's cube, that was packed into the cargo carrier atop the SpaceX Falcon 9 rocket that launched from the Kennedy Space Center.

About 2,500 miles away, Lynn Cominsky, a professor Program Director for SSU's Education and Public Outreach Group, had a VIP seat in the space center bleachers 6 miles from the launch pad but as close as the public can get.

Publisher: Santa Rosa Press Democrat
Date: 2019-12-06T03:27:00+00:00
Twitter: @NorthBayNews
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More than the world, she was the sun we three planets orbited

In 1979, Mom packed me and my two little sisters in her old Datsun and we hit the road. With pit stops, it took us two days to drive from Woody Creek to Denver, and we camped for the night on Independence Pass. We were a unit. We were secure in the nest. We knew that our mom was there for us no matter what. She created a home base in Denver where we could be ourselves and we never had to worry about falling through the false floor we witnessed in other families.

And clutter. Oh, my gods, the clutter. The kitchen table was in constant flux: pens, coins, sunglasses, bandana, gloves, chap stick, nail file, binoculars, cassette tapes, etc. Waterfalls of books and magazines and scraps of paper with her distinctive handwriting on them spilled off counters and tabletops in every room; a small forest's worth of National Geographics covered the coffee table, always. Mom loved to travel.

Publisher: The Sopris Sun
Date: 2019-12-05T02:00:26+00:00
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This white dwarf star has a giant, evaporating planet | Space | EarthSky

White dwarf stars are typically more or less Earth-sized. The planet orbiting white dwarf WDJ0914+1914 appears to be at least twice as big as its star! High intensity radiation from its star is causing this planet to evaporate. Will the same thing happen in our solar system someday?

Artist’s concept of the white dwarf star WDJ0914+1914 and its Neptune-like exoplanet. Since the planet orbits very close to the hot white dwarf, the star’s extreme ultraviolet radiation strips away the planet's atmosphere. Most of this stripped gas escapes into space, but some of it swirls into a disk, accreting onto the white dwarf itself. Image via ESO /M. Kornmesser.

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Publisher: EarthSky
Date: 2019-12-06T05:46:40-06:00
Author: Paul Scott Anderson
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And here's another article:

Astronomers Found A Neptune-like Hidden Planet Orbiting A Dead Star - Science

Researchers using the @ESO Very Large Telescope have, for the first time, found evidence of a giant planet associated with a white dwarf star.

Credit: @ESO / M. Kornmesser https://t.co/8kSeEyHsE0 pic.twitter.com/NhOHHslRdq

The unusual system was found while observing 7000 white dwarfs through the Sloan Digital Sky Survey, a "chance discovery" as described by lead author, Dr.Boris Gänsicke. The white dwarf stood out because of the variations in light caused due to the chemical elements around it.

Publisher: Mashable India
Date: 2019-12-06T12:22:47.344814+00:00
Twitter: @MashableIndia
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SpaceChain sends FinTech into orbit – IBS Intelligence

SpaceChain has sent its blockchain hardware wallet technology to the International Space Station (ISS), aboard a SpaceX Falcon 9 rocket as part of a commercial resupply service mission launched on 5 December 2019. This is the first technology demonstration of blockchain hardware on the ISS, and it will be installed in Nanoracks’ commercial platform on Station.

Earlier this year, SpaceChain was awarded funding by the European Space Agency (ESA) under its Kick-start Activity program , to further develop and identify commercial use-cases for its satellite blockchain technology. By adding space-based payloads to established networks, businesses will be able to enhance the security of the transmission of digital assets that can be vulnerable to cyberattacks and hacking when hosted exclusively in centralised terrestrial servers.

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Publisher: IBS Intelligence
Date: 2019-12-06T10:00:28+00:00
Twitter: @IBSIntelligence
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What this giant evaporating planet tells us about Earth's future | CTV News

The white dwarf is stripping away the atmosphere of the ice giant planet orbiting it. (M. Kornmesser/ESO)

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In what researchers called "one of those chance discoveries," they found an ice giant exoplanet -- a planet outside of our solar system -- orbiting an Earth-sized white dwarf.

A blazing hot white dwarf is left behind, and any planets and asteroids that survived move farther out because the star no longer has the same gravitational pull on them. White dwarfs cool slowly as they age.

Publisher: CTVNews
Date: 2019-12-04T13:25:00-05:00
Author: Ashley Strickland
Twitter: @CTVNews
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'Duster' Review: Back From Orbit - WSJ
Publisher: WSJ
Date: 2019-12-04T23:06:00.000Z
Author: Mark Richardson
Twitter: @WSJ
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