Cosmology/Astrophysics News

February 17, 2016

for Rose City Astronomers SIG

http://101iq.com/RCA

Science – January 15, 2016

• Milky Way grew out as it grew up –younger starts in outer parts

– http://www.sciencemag.org/news/2016/01/milky-way-grew-out-it-grew

• Astronomers see ashes of the first stars

– Probed how early giant stars formed heavier elements

– http://science.sciencemag.org/content/351/6270/211

• Sampling the Moon’s atmosphere

– Helium, neon, argon, potassium, sodium…

– http://science.sciencemag.org/content/351/6270/230

– http://science.sciencemag.org/content/351/6270/249

• ASASSN-15lh: A highly super-luminous supernova – most luminous ever found

– http://arxiv.org/abs/1507.03010

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Nature – January 21, 2016

• Unseen planet may lurk near Solar System’s edge

– http://www.nature.com/news/evidence-grows-for-giant-planet-on-fringes-of-solar-system-1.19182

• Antimatter may matter– If antimatter gravitationally repels matter, then dark

energy is not needed – measuring anti-hydrogen– http://www.nature.com/nature/journal/v529/n7586/full/529294a.html

– http://www.nature.com/nature/journal/v529/n7586/full/nature16491.html

• Exposed water ice on the nucleus of comet 67P/Churyumov-Gerasimenko– http://www.nature.com/nature/journal/v529/n7586/full/nature16190.html

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Science – January 22, 2016

• Number 9 – new planet…

– http://science.sciencemag.org/content/351/6271/330.short

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Nature – January 28, 2016

• Physicists split by Hawking paper

– Information loss might be preserved in vacuum– http://www.scientificamerican.com/article/hawking-s-latest-black-hole-paper-splits-physicists/

• The mystery of globular clusters – still mystery– http://www.nature.com/nature/journal/v529/n7587/full/529473a.html

– http://www.nature.com/nature/journal/v529/n7587/full/nature16493.html

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Science – January 29, 2016

• Babylonian astronomers tracked Jupiter using

area under a time-velocity graph

– http://science.sciencemag.org/content/351/6272/482

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• Fungus survives simulated Mars– http://www.nature.com/nature/journal/v530/n7588/full/530008b.html

• Widest-known planetary orbit – 900Kyears

around TYC9486-927-1

– http://arxiv.org/abs/1601.06162

• A homogeneous nucleus for comet

67P/Churyumov-Gerasimenko from its

gravity field– http://www.nature.com/nature/journal/v530/n7588/full/nature16535.html

Nature – February 4, 2016

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Science – February 5, 2016

• Japanese satellite targets the x-ray universe

– http://science.sciencemag.org/content/351/6273/547

http://101iq.com/RCA

• High stakes for Japan’s space probe –

Astro-H x-ray telescope– http://www.nature.com/news/high-stakes-as-japanese-space-observatory-prepares-for-launch-1.19329

• Exoplanets hidden in the gaps – plenet

formation in dust and gas disks– http://www.nature.com/nature/journal/v530/n7589/full/530169a.html

Nature – February 11, 2016

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Science – February 12, 2016

• Triumph for gravitational wave hunt– http://science.sciencemag.org/content/351/6274/645

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Scientific American – February 2016

• Last Call: Will WIMPs Show Their Faces?– http://www.scientificamerican.com/article/last-call-will-wimps-show-their-faces-in-the-latest-dark-matter-experiment/

• Space Jellies– http://www.nature.com/scientificamerican/journal/v314/n2/full/scientificamerican0216-21.html

• The Search for Planet X– http://www.nature.com/scientificamerican/journal/v314/n2/full/scientificamerican0216-30.html

• My life as a Comet Hunter – David H Levy– http://www.nature.com/scientificamerican/journal/v314/n2/full/scientificamerican0216-70.html

http://101iq.com/RCA

Detection of Gravity Waves!• Technical paper:

– http://101iq.com/RCA/PhysRevLett.116.061102.pdf

• Article:

– http://www.aps.org/publications/apsnews/updates/waves.cfm

• AAAS Science links:

– http://www.sciencemag.org/tags/gravitational-waves

• Nature links:

– http://www.nature.com/news/gravitational-waves-1.19321

• Short video:

– http://www.youtube.com/watch?v=gw-i_VKd6Wo

• Long video:

– http://www.youtube.com/watch?v=_582rU6neLc

• LIGO papers:

– http://101iq.com/RCA/LIGO_connfiguration_Amaldiv2_Weinstein.pdf

– http://101iq.com/RCA/Path_to_Advanced_LIGO_0902.0381.pdf

– http://101iq.com/RCA/Path_to_Advanced_LIGO_0902.0381.pdf

• Advanced LIGO

– https://www.advancedligo.mit.edu/overview.html

– https://www.advancedligo.mit.edu/summary.html

http://101iq.com/RCA