Home » News & Blogs » Chandra Observatory may have discovered extra-galactic planet
Bookmark and Share
SpaceFlight Insider

Chandra Observatory may have discovered extra-galactic planet

6 Nov 2021, 10:00 UTC
Chandra Observatory may have discovered extra-galactic planet
(200 words excerpt, click title or image to see full post)

An artist’s conception of an extra-galactic planet transiting a binary star system consisting of a Sun-like star and a neutron star or black hole. NASA’s Chandra X-ray Observatory may have found evidence for the first-ever known extra-galactic planet. Credit: NASA/CXC/M. Weiss
Scientists using NASA’s Chandra X-ray Observatory may have found evidence for the first-ever known extra-galactic planet, located 28 million light years away in the Whirlpool Galaxy, also known as Messier 51 (M51).
The detection was made indirectly by observation of what appeared to be a planet passing in front of a binary star system composed of a Sun-like star and a companion that is either a neutron star or black hole.
Neutron stars and stellar-mass black holes are remnants of massive stars that ended their lives in supernova explosions. If this planet does exist, it would have had to survive a supernova explosion and the resulting radiation produced by it.
A composite image of the Whirlpool Galaxy created with X-ray images from Chandra and optical images taken by the Hubble Space Telescope. The box insert shows the location of the possible planet. Credit: X-ray: NASA/CXC/SAO/R. DiStefano, et al.; Optical: NASA/ESA/STScI/Grendler
Chandra is an X-ray observatory. The science team ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day

astronomy_pod