How galaxies could exist without dark matter

Take heed to the most recent science information, with Nick Petrić Howe and Noah Baker.

On this episode:

00:47 The thriller of the lacking darkish matter

Darkish matter makes up many of the matter within the Universe, and is regarded as wanted for galaxies to kind. However 4 years in the past, astronomers made a perplexing, and controversial discovery: two galaxies seemingly devoid of darkish matter. This week the group suggests {that a} cosmic collision might clarify how these, and a string of different dark-matter-free galaxies, might have shaped.

Analysis article: van Dokkum et al

Information and Views: Large collision created galaxies devoid of darkish matter

08:39 Analysis Highlights

How fossil gasoline burning has precipitated ranges of helium to rise, and a high-efficiency, hybrid solar-energy system.

Analysis Spotlight: Helium ranges within the environment are ballooning

Analysis Spotlight: Flower energy: ‘Sunflower’ system churns out helpful vitality

10:49 Researchers experiences of the conflict in Ukraine

We hear the tales of scientists whose lives have been affected by Russia’s invasion of Ukraine, together with researchers who’ve grow to be refugees, troopers and activists within the face of a horrifying battle.

Nature Function: How three Ukrainian scientists are surviving Russia’s brutal conflict

20:46 Imaging the black gap on the centre of the Milky Manner

Final week, a group of researchers launched a picture of Sagittarius A*, the supermassive blackhole on the centre of our galaxy. We hear how they took the picture and what it’s revealing about these monumental objects.

Nature Information: Black gap on the centre of our Galaxy imaged for the primary time

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