black hole
X-rays Reveal a Stellar-Mass Black Hole in Andromeda
[/caption] An ultraluminous x-ray source (ULX) previously spotted in the neighboring Andromeda galaxy by NASA's Chandra observatory has now been revealed…
Chandra Spots a Black Hole’s High-Speed Hurricane
[/caption] Astronomers using NASA's Chandra X-ray Observatory have reported record-breaking wind speeds coming from a stellar-mass black hole. The "wind", a high-speed…
First-Ever Image of a Black Hole to be Captured by Earth-Sized Scope
[/caption] "Sgr A* is the right object, VLBI is the right technique, and this decade is the right time." So…
First Look at a Black Hole’s Feast
A true heart of darkness lies at the center of our galaxy: Sagittarius A* (pronounced "A-star") is a supermassive black…
Black Hole Drive Could Power Future Starships
[/caption] What would happen if humans could deliberately create a blackhole? Well, for starters we might just unlock the ultimate…
What is an Event Horizon?
The event horizon of a black hole is the boundary ('horizon') between its 'outside' and its 'inside'; those outside cannot…
Hawking Radiation
[/caption] When humans starve, they grow thin and eventually die; when a black hole starves, it too grows thin and…
Black Hole on Earth
[/caption] As you are likely aware, there are numerous ways in which the Universe could kill us all, destroying the…
Milky Way’s Black Hole Gave Off a Burst 300 Years Ago
Our Milky Way's black hole is quiet - too quiet - some astronomers might say. But according to a team…