A supergiant that collapses on itself and explodes with such force that it releases more energy … [+] then millions of suns. (Photo by: QAI Publishing / Universal Images Group via Getty Images) Universal Image Group via Getty Images Remember ‘Betelgeuse’ big dims? ‘ A bright red redundant star in …
Read More »Physicist Matt Caplan calculates how long before the universe ends
Tick-Tock. Tick-Tock. The eternal clock of the universe keeps clicking at the seconds, even in strange times like these, when work weeks fly by like hours and months are a silent blur. But just to put things in perspective for how unintentional our strictly defined daily blocks of time really …
Read More »Memory astronomy | Hubble data shows an eruption of dusty Betelgeuse in 20919
The smoking gun (in a sense, literally) may have been found for the reason why Betelgeuse, everyone’s favorite red supergiant star, evaporated so dramatically earlier this year: Dust. A lot of it. It’s been 75 years since 2020, here’s an update: Betelgeuse is one of the brightest stars in the …
Read More »This is the end: Universe Will Die in Last Black Dwarf Supernova, Study Claims
Tech 13:50 GMT 12.08.2020Get short URL The eventual shrinkage of existing white dwarfs into superheavy black dwarf stars that emit little heat or light, the latter will eventually see inflation due to so-called “quantum tunneling”, it has been suggested. But, fortunately, we still have some time to reflect on the …
Read More »Here’s how exploding stars smelt the calcium in your teeth and bones
Up to half of the calcium in the Universe – and that includes our bones and teeth – is thought to come from exploding supernova stars, and researchers have now gained an incredible insight into how these ultra rare, calcium-rich supernovae end up reach of her life. The never before …
Read More »