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Articles on Astrophysics

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The inside of the LZ outer detector. The LZ is a super sensitive machine that may one day detect a dark matter particle. Matt Kapust, SURF

Researchers dig deep underground in hopes of finally observing dark matter

To detect dark matter, you need to build an ultra-sensitive detector and put it somewhere ultra-quiet. For one physics collaboration, that place is almost a mile under Lead, S.D.
New research shows that the destructive merging of a star and a planet expels huge amounts of gas, as shown in this artist’s impression. K. Miller/R. Hurt (Caltech/IPAC)

Astronomers just saw a star eat a planet – an astrophysicist on the team explains the first-of-its-kind discovery

Stars begin to expand when they run out of fuel and can become thousands of times larger, consuming any planets in the way. For the first time, astronomers have witnessed one such event.
The central black hole of Messier 87, a massive galaxy in the Virgo cluster. Event Horizon Telescope Collaboration/ESO

A unique collaboration using a virtual Earth-sized telescope shows how science is changing in the 21st century

Beyond just looking at black holes, the next-generation Event Horizon Telescope collaboration is the first to bring together perspectives from across the sciences and humanities.
Artist’s rendition of a concentration of small black holes in the centre of the galaxy NGC 6397. ESA/Hubble, N. Bartmann.

How could we detect atom-sized primordial black holes?

Black holes can have a mass equivalent to that of millions of suns. Other, smaller, black holes can combine the mass of Mount Everest into the size of an atom.

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