Wednesday 2 December 2015

The cosmic web: Seeing what makes up the universe

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Matter known as ordinary, which makes up everything we know, corresponds to only 5% of the Universe. Approximately half of this percentage still eluded detection. Numerical simulations made it possible to predict that the rest of this ordinary matter should be located in the large-scale structures that form the "cosmic web" at temperatures between 100,000 and 10 million degrees. A team led by a researcher observed this phenomenon directly. The research shows that the majority of the missing ordinary matter is found in the form of a very hot gas associated with intergalactic filaments.
via Science Daily
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Astronomers closer to explaining mysterious radio pulses from outer space

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Astronomers have tied the origin of a Fast Radio Burst to a highly magnetized, gas-filled region of space, providing a new hint in the decade-long quest to explain the mysterious radio pulses.
via Science Daily
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Cosmic filaments exposed near huge cluster

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ESA’s XMM-Newton X-ray observatory has revealed three massive filaments of hot gas flowing towards a cluster of galaxies, uncovering a portion of the cosmic skeleton that pervades the entire Universe.


via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Cosmic_filaments_exposed_near_huge_cluster

LISA Pathfinder launch

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Follow the launch of our LISA Pathfinder mission on 3 December. Coverage from Kourou starts 03:44 GMT; a press briefing from ESA’s space operations centre starts at 05:30 GMT
via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Watch_LISA_Pathfinder_launch_and_media_briefing

Golden Gate Sunset: Green Flash

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Happy birthday, SOHO!

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The Sun as seen today by the ESA-NASA SOHO observatory on the 20th anniversary of the pioneering satellite's launch
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2015/12/The_Sun_today2

SOHO celebrates 20 years of discoveries

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Originally planned for a two-year mission, the ESA–NASA Solar and Heliospheric Observatory, SOHO, is today celebrating two decades of scientific discovery.


via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/SOHO_celebrates_20_years_of_discoveries

Exiled exoplanet likely kicked out of star's neighborhood

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The Gemini Planet Imager and the Hubble Space Telescope have revealed details of an unusual exoplanet and its star that suggest the planetary system underwent a violent episode in its early history that ejected the planet to a distance equivalent to 16 times the Earth-Pluto distance and roiled the comet belt closer to the star. This resembles what many people think happened in our solar system's past.
via Science Daily
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