Weekly Space Hangout -March 13, 2015: Astrophysicist Katie Mack

Host:

Fraser Cain (

@fcain

)

Special Guest:

Astrophysicist Katie Mack (

@AstroKatie

)

Guests:

Ramin Skibba (

@raminskibba

) Charles Black (

@charlesblack

/

sen.com/charles-black

) Brian Koberlein (

@briankoberlein

)

This Week's Stories:

Plans Announced for First Phase of Square Kilometer Array

The Milky Way is larger than we thought

Mars once had oceans

Waiting for a Signal from Philae

Is There a Better Way to Sterilize Spacecraft?

Underground Ocean on Jupiter's Largest Moon, Ganymede

Curiosity REgains Use of Arm, Recommences Mars Science

Explosive Erumptions Rocked the Youthful Moon

"Jupiter" Space Tug Could Deliver Cargo to the Moon

Hydrothermal Activity in the "Broken Heart" of Enceladus

Energy-Harvesting Method Shows Promise for Mars Power Stations

Nine Dwarf Galaxies Discovered in Orbit Around the Milky Way

This is How Venus Would Look Without its Thick Layer of Clouds

A Grand Extravaganza of New Stars

Solar Jet Fuel Has Been Created for the First Time

Dark Matter Dwarf Galaxy?

Hot Water Activity on Icy Moon's Seafloor

Icy Conditions Delay TMT Work

NASA Creates Anti-Gravity Field, Makes Lab Rats Levitate

Two-Mile-High Structures Rising on Saturn's Rings

The Further Adventures of Rosetta and Philae

Mysterious Phenomena in a Gigantic Galaxy-Cluster Collision

KSC Shopping for Liquid Hydrogen Solution Ahead of SLS Debut

Billionaire Teams Up with NASA to Mine the Moon

Boeing Would Pull Seats, Life Support, Engines for Cargo-Carrying CST-100

India to Fly RLV Tech Demo by June

Public Gets Chance to Image Mars from Orbit

NASA, Orbital ATK Ready SLS Five-Segment Booster for QM-1 Test Firing

UPDATE: Curiosity to Resume Use of Robotic Arm in a Few Days

Japan's Hayabusa 2 Asteroid Mission Checks Out

Fastest Star in our Galaxy Propelled by a Thermonuclear Supernova

Giant Methane Storms Raging on Uranus

An Explosive Quartet - Hubble Sees Multiple Images of a Supernova for the Very First Time

Hubble Sees Supernova Split into Four Images by Cosmic Lens

Astronomers Watch the Same Star Explode Over and Over Again Thanks to Gravitational Lensing

Glitch on Curiosity Rover Traced to Drill Mechanism

TWiM: Elon Musk and Jeff Bezos in Patent War over Drone Ship Technology

NASA Spacecraft Becomes First to Orbit a Dwarf Planet

Dawn Spacecraft Slips Quietly Into Orbit Around Dwarf Planet Ceres

A Mission to Europa

Why Isn't the Universe as Bright as it Should Be?

NASA's Chandra Observatory Finds Cosmic Showers Halt Galaxy Growth

British Goverment Approves First Spaceport in Europe

NASA Making Plans for Russia's Secession from ISS

Planet "Reared" by Four Parent Stars

ALMA Performs its First Very Long Baseline Observations

Mars: The Planet that Lost an Ocean's Worth of Water

Landing Region Chosen for InSight at T Minus One Year to Red Planet Launch

20 Year Old Military Weather Satellite Exploded in Orbit

Power System Failure Likely Cause of Military Satellite Explosion

Bright Spots on Ceres Likely Ice, Not Cryovolcanoes

Far From Home: Wayward Cluster is Both Tiny and Distant

Google Gives Lick Observatory $1M to Relieve Funding Woes

ULA Targets 2018 for Delta 4 Phase-out, Seeks Relaxation of RD-180 Ban

NASA Says Mars Rover Curiosity Temporarily Idled by Short Circuit

An Old Looking Galaxy in a Young Universe

Crew Member Matt Woods participated as a

World's Largest Astronomy Lesson Breaks World Record

A Young Star Takes Center Stage

Mikulski Announces Retirement

Timing of Russian Rocket Engin Ban Puts USA, USAF in Bind

Life "Not as we Know It" Possible on Saturn's Moon Titan

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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