NGC 6240 in 60 Seconds
Narrator (Megan Watzke, CXC): NGC 6240 is a system in which two supermassive black holes are a mere 3,000 light years apart, virtually nothing in astronomical terms. These black holes -- the two bright point-like sources in the middle -- are in such close proximity, scientists think they are in the act of spiraling toward each other. This is a process that began about 30 million years ago. It's estimated that the two black holes will eventually drift together and merge into a larger black hole some tens to hundreds of millions of years from now.
By Length
By Date
2024 | 2023 | 2022 | 2021
2020 | 2019 | 2018 | 2017
2016 | 2015 | 2014 | 2013
2012 | 2011 | 2010 | 2009
2008 | 2007 | 2006
2020 | 2019 | 2018 | 2017
2016 | 2015 | 2014 | 2013
2012 | 2011 | 2010 | 2009
2008 | 2007 | 2006
By Category
Solar System
Stars
White Dwarfs
Supernovas
Neutron Stars
Black Holes
Milky Way Galaxy
Normal Galaxies
Quasars
Groups of Galaxies
Cosmology/Deep Field
Miscellaneous
HTE
STOP
Space Scoop for Kids!
Chandra Sketches
Light
AstrOlympics
Quick Look
Visual Descriptions
Stars
White Dwarfs
Supernovas
Neutron Stars
Black Holes
Milky Way Galaxy
Normal Galaxies
Quasars
Groups of Galaxies
Cosmology/Deep Field
Miscellaneous
HTE
STOP
Space Scoop for Kids!
Chandra Sketches
Light
AstrOlympics
Quick Look
Visual Descriptions
Subscribe
Web Shortcuts
Chandra Blog
RSS Feed
Chronicle
Email Newsletter
News & Noteworthy
Image Use Policy
Questions & Answers
Glossary of Terms
Download Guide
Get Adobe Reader
RSS Feed
Chronicle
Email Newsletter
News & Noteworthy
Image Use Policy
Questions & Answers
Glossary of Terms
Download Guide
Get Adobe Reader