*Hunting for dark Galaxies - SpaceTime with Stuart Gary S22E46

Jul 22, 11:46 AM
The astronomy and space science news podcast.

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 *Hunting for dark Galaxies
An ancient collision with a newly discovered dark dwarf galaxy may be responsible for the Milky Way’s characteristic outer disk ripples.
 
*Massive Martian ice discovery opens a window into red planet's history
Scientists say newly discovered layers of ice buried almost two kilometres beneath the Martian north pole are the remnants of ancient polar ice sheets -- and could be one of the largest water reservoirs on the planet.
 
*Earth's mantle is far more intricate than thought
A new study has revealed the Earth’s mantle to be a far more geochemically diverse mosaic than previously thought.
 
*The ticking time bomb of Betelgeuse
Betelgeuse is a massive ticking time bomb – destined to explode as one of the nearest supernovae to Earth – and it could happen any time now.
 
*Russia launches new military navigation satellite
Russian space forces have launched a new military navigation satellite.
 
*Moscow’s most powerful communications satellite
A Russian proton rocket has launched the nation’s most powerful ever telecommunications satellite.
 
*India launches a new Earth observation satellite
India has successfully launched its new RISAT-2B Earth observation radar imaging satellite.
 
*The Science Report
Increasing red meat intake -- especially processed meats -- may be leading you closer to the grave.
A new study warns that if your teen is sexting they’re probably having sex.
The Internet found to produce both acute and sustained alterations in specific areas of the brain.
Scientists confirm when it comes to dating -- people really do have a type.
The biomarkers which influence male sexual orientation.
Iran has increased its production of enriched uranium.
The fantasy some people are condemned to live.
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