Weekly Space Hangout - Oct. 17, 2014: Comet Siding Spring & Dark Matter

Host:

Fraser Cain (

@fcain

)

Guests:

Morgan Rehnberg (

cosmicchatter.org

/

@cosmic_chatter

)

This Week's Stories:

Previewing Siding Spring

Hubble finds target for New Horizons

Dark Matter Half What We Though, Say Scientists

Virgo UFD1 a Fossil Remnant of the First Galaxies

Secretive US Robotic Mini-Shuttle to End 22-Month Mission

Rosetta Spacecraft Spots "Pyramid" Boulder on Comet

Dreaming a Different Apollo

KOI-1299 b A Warm Jupiter Orbiting An Evolved Red Giant Star

MAVEN Provides Its First Look at Martian Upper Atmosphere

APEX Reveals Hidden Start Formation in Protocluster

ESA Confirms Primary Landing Site for Rosetta

New Horizons has a Second Target

Slow-Growing Galaxies Offer Window to Early Universe

Station Spacewalkers Replace Power Regulator, Move Equipment

Galactic Chromodynamics

Milky Way Ransacks Nearby Dwarf Galaxies, Stripping All Traces of Star-Forming Gas

Curious signal hints at dark matter – first evidence of axions?

First Evidence of a Hydrogen-Deficient Supernova Progenitor

Fairing Installed Over Orion

Wobbling of Mimas Hints as What Lies Beneath

Cosmic Jets Re-created in a Lab

Lunar Volcanoes: The Rough with the Smooth

We record the Weekly Space Hangout every Friday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch us live on Google+, Universe Today, or the

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Fraser Cain

Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.