New evidence that our galaxy is a cannibal - SpaceTime with Stuart Gary S21E10

Feb 07, 09:02 AM
C

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 *New evidence that our galaxy is a cannibal 

Astronomers have discovered evidence confirming that the outer halo of the Milky Way contains stars stolen from neighbouring dwarf galaxies. The new findings support the idea of galactic cannibalism in which big galaxies grow bigger by merging or consuming smaller galaxies.

*All systems go for Falcon heavy 

Space X is about to launch its largest and most powerful rocket ever -- the Falcon Heavy. The new 70 metre tall launch vehicle combines three Falcon 9 core stages mounted side by side. Instead of the usual dummy payload packed with scientific monitoring equipment – SpaceX boss Elon Musk is sending his own midnight cherry Tesla Roadster with David Bowie’s Space Oddity playing through the speakers.

*Scientists discover how black holes regulate star formation in massive galaxies

For year astronomers have noticed a direct relationship between the size of a galaxy and the mass of the supermassive black hole at its centre -- But the machinations of how it all worked has been more of a mystery. Now a new study has provided direct observational evidence that the mass of the central black hole affects the formation of new stars throughout the galaxy’s lifetime.

*The Science Report

The biological markers in blood plasma which could provide an early warning of Alzheimer’s disease.

Polar bears slowly starving to death because declining sea ice due to man-made climate change.

New questions about the effectiveness of taking fish oil capsules for heart health.

New tool discoveries indicate humans left Africa much earlier than thought.

The events that have shaped the nation the most.

The Skeptics guide to so called energy medicine.

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