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MIT 15 Oct 2019, 08:42 UTC Astronomers at MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, they spotted a tiny dwarf galaxy in its very first, high-energy stages of star formation.
Kavli Institute for Cosmology, Cambridge 14 Oct 2019, 07:40 UTC Members of KICC since its foundation and longstanding members of the Planck collaboration, Prof. George Efstathiou and Dr. Steven Gratton recently uploaded their detailed reanalysis of the Planck satellite Cosmic Microwave Background data to the arXiv preprint server.
NASA's Goddard Space Flight Center 11 Oct 2019, 13:00 UTC The NASA/ESA Hubble Space Telescope sees galaxies of all shapes, sizes, luminosities and orientations in the cosmos. Sometimes, the telescope gazes at a galaxy oriented sideways — as shown here. The spiral galaxy featured in this Hubble image is called NGC 3717, and it is located about 60 million light-years away in the constellation of Hydra (the Sea Serpent).
NASA's Goddard Space Flight Center 11 Oct 2019, 07:17 UTC The discovery of ice deposits in craters scattered across the Moon’s south pole has helped to renew interest in exploring the lunar surface, but no one is sure exactly when or how that ice got there. A new study suggests that while a majority of those deposits are likely billions of years old, some may be more recent.
NASA's Goddard Space Flight Center 9 Oct 2019, 14:00 UTC The center of our galaxy is a crowded place: A black hole weighing 4 million times as much as our Sun is surrounded by millions of stars whipping around it at breakneck speeds. This extreme environment is bathed in intense ultraviolet light and X-ray radiation. Yet much of this activity is hidden from our view, obscured by vast swaths of interstellar dust.
Royal Observatory Belgium 9 Oct 2019, 07:07 UTC An international team of professional and amateur astronomers, which includes Alex Lobel, astronomer at the Royal Observatory of Belgium, has determined in detail how the temperature of four yellow hypergiants increases from 4000 degrees to 8000 degrees and back again in a few decades. They publish their findings in the professional journal Astronomy & Astrophysics.
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It Looks Like it’s Working! NASA InSight’s Mole is Making Progress Again Thanks to the Arm Scoop Hack15 Oct 2019, 19:19 UTC NASA and the DLR are making some progress with the Mole. The Mole has been stuck for months now, and NASA/DLR have been working to get it unstuck. After removing the mole’s housing to get a better look at it with InSight’s cameras, the team came up with a plan.
Starts With a Bang! 15 Oct 2019, 14:01 UTC Every year, the Nobel Prize reminds all of humanity to appreciate all that we’ve achieved scientifically, and to be aware of how that newfound knowledge has impacted us as a species. To a scientist, it can be an exercise in frustration, as it’s a reminder that in any sub-field of their discipline, there are dozens of projects whose research is important and impactful enough to deserve a Nobel, and yet only three people per award can receive it. Additionally, women and people of color have been systemically passed over in instances where their contributions were indispensable to Nobel-winning research. This year’s physics prize goes to three individuals — Jim Peebles, Michel Mayor and Didier Queloz — for discoveries in theoretical cosmology and exoplanets. At last, looking into space and existentially dreaming of what’s out there, and then physically/astronomically discovering it, has its own Nobel Prize.
AAS Nova 15 Oct 2019, 08:51 UTC How has galaxy evolution changed over our universe’s history? To understand this, we need to track galaxies’ stars and gas over time. Stars are relatively easy: they’re bright and can be observed with deep optical and infrared observations. But gas? That’s a little trickier.
Nanowerk Space Exploration News 15 Oct 2019, 08:48 UTC Astronomers at the University of California, Riverside, have discovered that powerful winds driven by supermassive black holes in the centers of dwarf galaxies have a significant impact on the evolution of these galaxies by suppressing star formation.