# @nasaartemis on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/BwH_AIzAREo
- **Gondola URL:** https://gondola.cc/posts/15343051-nasaartemis-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/thumbnails/b9f62d06ac.jpg
- **Posted:** 2019-04-11T18:08:22.000+00:00
- **Account Owner:** NASA Artemis (@nasaartemis) — https://gondola.cc/nasaartemis

## Caption

Black Hole image makes history! A black hole and its shadow have been captured in an image for the first time, a historic feat by an international network of radio telescopes called the Event Horizon Telescope (EHT). EHT is an international collaboration whose support in the U.S. includes the National Science Foundation. Using the Event Horizon Telescope, scientists obtained an image of the black hole at the center of galaxy M87, outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon.

A black hole is an extremely dense object from which no light can escape. Anything that comes within a black hole’s “event horizon,” its point of no return, will be consumed, never to re-emerge, because of the black hole’s unimaginably strong gravity. By its very nature, a black hole cannot be seen, but the hot disk of material that encircles it shines bright. Against a bright backdrop, such as this disk, a black hole appears to cast a shadow. This black hole is 6.5 billion times the mass of the Sun. 
Catching its shadow involved eight ground-based radio telescopes around the globe, operating together as if they were one telescope the size of our entire planet. “This is an amazing accomplishment by the EHT team,” said Paul Hertz, director of the astrophysics division at NASA Headquarters in Washington. “Years ago, we thought we would have to build a very large space telescope to image a black hole. By getting radio telescopes around the world to work in concert like one instrument, the EHT team achieved this, decades ahead of time.” Credits: Event Horizon Telescope collaboration et al.

#nasa #blackhole #universe #collaboration #astrophysics
#space #eventhorizontelescope #eventhorizon #telescope

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## Tags

nasa, eventhorizon, universe, space, astrophysics, eventhorizontelescope, collaboration, blackhole, telescope

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