New study challenges popular theory about dwarf galaxies - SpaceTime with Stuart Gary Series 21 Episode 11

Feb 09, 04:47 AM

Stream on demand from (mobile friendly).

This episode is brought to you by Physical Attraction...a new podcast that sets out to explains concepts in physics and science one chat up line at a time. Intrigued? You can subscribe via Apple Podcasts, Stitcher, PocketCasts or wherever you get your podcasts from. Follow Physical Attraction on Twitter @PhysicsPod and find out more at the website

SpaceTime 20180209 Series 21 Episode 11

*New study challenges popular theory about dwarf galaxies

Existing hypothesis about how dwarf galaxies are spread across the universe is being challenged following the discovery of a plane of dwarf galaxies orbiting around Centaurus A. The findings challenge the long-held idea there are thousands of dwarf galaxies in all directions around large galaxies -- like bees swarming around a hive.

*A new theory to explain the discovery of matter in hostile black hole winds

Scientists have developed a new hypothesis to try to explain the origins of molecules discovered in the destructive cosmic outflows produced by supermassive black holes. If correct it could explain how stars form in extreme environments.

*Arianespace places satellites into wrong orbits

Arianespace has set up an independent investigation commission chaired by ESA’s General Inspector after its first launch for the year placed two telecommunications satellites into the wrong orbits.

Video at :

*NASA goes for GOLD

NASA has successfully powered up its Global-scale Observations of the Limb and Disk instrument aboard the SES-14 telecommunications satellite.

*New eye in the sky to watch for enemy missiles

The United States has launched a new missile early warning satellite from the Cape Canaveral Airforce base in Florida. The Space Based Infrared System GEO-4 is part of a constellation of satellites designed to detect and track enemy missile launches by their infrared heat signatures.

Video at :

*America launches another spy satellite

America’s secretive National Reconnaissance Office has launched a new spy satellite. The classified NROL- 47 payload was launched from Space Launch Complex 6 at the Vandenberg Air Force Base in California.

Video at :

*China launches three new spy satellites

Beijing has launched three more signals intelligence spy satellites for the Chinese military. Beijing describes the satellites as part of a remote sensing mission used to conduct electromagnetic and other experiments. What they’re actually doing is searching for signals intelligence data from foreign powers.

*The Science report

Alex on tech looks at wearable ID devices.

For enhanced Show Notes including photos to accompany this episode, visit:

Subscribe, rate and review SpaceTime at all good podcasting apps…including Apple Podcasts (formerly iTunes), audioBoom, Stitcher, PocketCasts, Podbean, Radio Public, Tunein Radio, google play, Spreaker, CastBox.FM , Deezer, Spotify etc

RSS feed:

Would you prefer to have access to the special commercial free version of SpaceTime? Help support the show, subscribe at Patreon....and share in the rewards. Details at

Help support SpaceTime : The SpaceTime with Stuart Gary merchandise shop. Get your T-Shirts, Coffee Cups, badges, tote bag + more and help support the show. Check out the range: Thank you.

Plus: As a part of the SpaceTime family, you can get a free audio book of your choice, plus 30 days free access from Just visit or click on the banner link at


Join our mailing list at

For more, follow SpaceTime on Facebook, twitter, Tum...