stars

Exploding stars led to humans walking on two legs, radical study suggests 0
- From Around the Web, Science & Technology, Space
- May 29, 2019
Scientists say surge of radiation led to lightning causing forest fires, making adaptation vital

By David Aragorn
A Star Passing The Black Hole at The Centre of Our Galaxy Is About to Test Einstein’s Theory 0
- From Around the Web, Space
- April 8, 2019
In a few months, astronomers are going to be pointing their telescopes to Sagittarius A*, the supermassive black hole at the centre of our galaxy.

By David Aragorn
Retreating snow line reveals organic molecules around young star 0
- From Around the Web, Space
- February 6, 2019
Astronomers using ALMA have detected various complex organic molecules around the young star V883 Ori. A sudden outburst from this star is releasing molecules from the icy compounds in the planet forming disk. The chemical composition of the disk is similar to that of comets in the modern Solar System. Sensitive ALMA observations enable astronomers to reconstruct the evolution of organic molecules from the birth of the Solar System to the objects we see today.

By David Aragorn
Thousands of stars turning into crystals 0
- From Around the Web, Space
- January 18, 2019
The first direct evidence of white dwarf stars solidifying into crystals has been discovered by astronomers at the University of Warwick, and our skies are filled with them.

By David Aragorn
Astronomers measure total starlight emitted over 13.7bn years 0
- From Around the Web, Space
- December 1, 2018
Stars have radiated 4×10^84 photons since the universe begun with formation peaking 11bn years ago

By David Aragorn
Ancient Egypt Discovered Variable Stars A Thousand Years Before European Astronomers 0
- Ancient Archeology, From Around the Web, Space
- November 27, 2018
Ancient Egyptian astronomers may have discovered variable stars, and calculated the period of a well-known one called Algol, thousands of years before Europeans.

By David Aragorn
Astronomers spot another star that flickers like Tabby’s star 0
- From Around the Web, Space
- November 21, 2018
It’s unclear what’s causing the newly discovered object to blink, but it’s probably not aliens

By David Aragorn
How many stars are there in the whole galaxy?0
- From Around the Web, Space
- October 30, 2018
Our solar system is just a tiny speck in the Milky Way.

By David Aragorn
Superflares From Young Red Dwarf Stars Imperil Planets 0
- From Around the Web, Space
- October 24, 2018
The word “HAZMAT” describes substances that pose a risk to the environment, or even to life itself. Imagine the term being applied to entire planets, where violent flares from the host star may make worlds uninhabitable by affecting their atmospheres.

By David Aragorn
Some Stars Around Galaxy May Be From Elsewhere 0
- From Around the Web, Space
- October 18, 2018
Data from the Gaia satellite reveal 20 new high-speed stars, 13 of which appear to have originated outside of the Milky Way.

By David Aragorn