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American Space News for 17 Nov 2017

James Webb Space TelescopeNASA released a video explaining how it will focus the mirror of the James Webb Space Telescope, currently scheduled to launch in mid-2019.
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How to Use Mobile Apps to SeeIn this edition of Mobile Astronomy, we'll show you how to use your favorite mobile astronomy app to find Uranus and Neptune, and even see some of their moons!
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When our Sun erupts with giant explosions -- such as bursts of radiation called solar flares -- we know they can affect space throughout the solar system as well as near Earth....
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Week in Images

ESA - 17 Nov 2017 16:00
Week in ImagesOur week through the lens: 13-17 November 2017
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Birth of the Bug: See HowThe visual-effects company Amalgamated Dynamics Inc. (ADI) has released a nearly 6-minute video showing how its artists and technicians built a "warrior bug" for "Starship Troopers."
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Wow! Astronaut CapturesWhile filming an incredible view of Earth from space, an astronaut aboard the International Space Station (ISS) inadvertently captured a fireball on camera as it whizzed into the atmosphere off the... coast of South Africa, above the Atlantic Ocean.
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Image: Sunrise flight to the space station

Phys.org - 17 Nov 2017 13:57
Image: Sunrise flight to theOrbital ATK's Cygnus resupply ship with its cymbal-ike UltraFlex solar arrays approaches the International Space Station's robotic arm Canadarm2 as both spacecraft fly into an orbital sunrise on Nov.... 14, 2017.
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Solar minimum surprisingly constant

Phys.org - 17 Nov 2017 13:37
Solar minimum surprisinglyUsing more than a half-century of observations, Japanese astronomers have discovered that the microwaves coming from the sun at the minimums of the past five solar cycles have been the same each time,... despite large differences in the maximums of the cycles.
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SpaceX postpones launch ofSpaceX on Thursday postponed the launch of a secretive US government payload known as Zuma, a mission whose nature--and the agency behind it--is a mystery.
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Closest Temperate WorldNCCR PlanetS: A temperate Earth-sized planet has been discovered only 11 light-years from the Solar System by a team including member of PlanetS using ESO's unique planet-hunting HARPS instrument. The... new world has the designation Ross 128 b and is now the second-closest temperate planet to be detected after Proxima b. It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life. Ross 128 b will be a prime target for ESO's Extremely Large Telescope, which will be able to search for biomarkers in the planet's atmosphere. A team working with ESO's High Accuracy Radial velocity Planet Searcher (HARPS) at the La Silla Observatory in Chile has found that the red dwarf star Ross 128 is...
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"First of all, it's important to leave aside the idea that Earth received all its water via the impacts of comets from very distant regions. These 'deliveries' also occurred, but their contributions... came later and were far less significant in...       
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(Georgia Institute of Technology) If someone cries 'Eureka!' because it looks like oxygen appeared in Earth's ancient atmosphere long before the body of evidence indicated, be careful. If it was a... chromium isotope system reading that caused the enthusiasm, it might need to be curbed.
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Doing Something Again For The First Time

SpaceRef - 17 Nov 2017 05:43
There is a lot of talk these days about yet another pivot in America's civilian space policy. This time it is "back" to the Moon....
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There are too many high-energy positrons in the cosmic rays reaching the Earth....
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Solar Minimum Surprisingly Constant

SpaceRef - 17 Nov 2017 05:05
Using more than half a century of observations, Japanese astronomers have discovered that the microwaves coming from the Sun at the minimums of the past five solar cycles have been the same each time,... despite large differences in the maximums...
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SES willing to partiallySatellite fleet operator SES, the industry partner whose support Intelsat and Intel need the most for their proposal to open C-band the U.S. has designated for satellites to 5G wireless networks... hungry for more spectrum, is willing to go along with the plan, but with one major caveat: not the whole band. SpaceNews.com
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