The first photograph of Sagittarius A* (pronounced as sadge-ay-star ), a supermassive black hole about 26,000 light years from Earth and situated at the centre of the Milky Way, was revealed by astronomers of the Event Horizon Telescope (EHT) on Thursday. More than 300 researchers from 80 institutions collaborated on this project. In April 2019, astronomers captured the first ever photograph of a black hole M87, which was located in a distant galaxy called Messier 87. Also Read | Explained: How Webb Telescope will seek to unlock universe's secrets We take a look at how the picture, which is regarded as a technical tour de force, was captured. What are black holes? A black hole is formed when stars collapse, leading to a space in the universe with an escape velocity — the speed at which an object must travel to override a planet or an object's gravitational force. For instance, for a spacecraft to leave the surface of the Earth, it needs to be travelling at a speed of about 40,000 km per hour which is so great that even light cannot escape it. Best of Express Premium UPSC Essentials: Weekly news express — PGII to POEM Women's emancipation… Read full this story
- SEO the Shortcut Way Leads to the Loophole Black Hole
- Black Hole Discovered on Earth
- Internet Marketing Tips - Are Your Emails Winding Up in a Black Hole?
- How Not to Get Your Ex Back - Stop Getting Sucked Into This Secret Black Hole Again and Again
- 11 Time Saving Tips So You Can Find More Time in Your Day
- Stressed Out About Time? Here's Why
- Digital Photography - Photographing Themes
- How-Why Darwinism Errs - Evolution Time Not Billions of Years, But Six (24 Hr) Cosmic Days!
- The End Time Events of Revelation Explained Scientifically - Shocking Revelation!
- What Happened to the Black Kids?
Explained: The black hole at the centre of Milky Way, photographed for the first time have 297 words, post on indianexpress.com at May 17, 2022. This is cached page on wBlogs. If you want remove this page, please contact us.