Till now only we heard of was a Black Hole sucking things into itself, well that’s what we saw on the Discovery Channel and in the movies. A Black Hole is an entity that is so dense and has a gravitational pull so strong that even light can not blaze past it.
When in a two body system, a black hole feeds from the star, its gases. The gas speeds up due to the strong gravity and gets hotter and hotter as it reaches towards the black hole. As soon as the temperature of the gases sore to 1.7 million degrees Fahrenheit, a jet of high-energy particles is emitted. This is the energy that the instruments jacked up on the satellites detect.
This is not the first time V404 Cygni has erupted. Astronomers first felt its presence in 1938, then again in 1956 and 1989. The time period to study these outbursts ranges from a week to a month. So scientists are not wasting any time and are using most sophisticated instruments throughout the globe.
Observatories like Chandra X-ray Observatory, Japan’s MAXI and ESA’s INTEGRAL satellite have been put up to study V404 Cygni black hole.
A FUN FACT: We are observing the electromagnetic waves that had started their journey 8,000 years back to reach Earth now.
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