IC 443
Videos
IC 443 is a galactic supernova remnant in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.
Full image
WISE image of IC 443
IC 443 wide field image. The stars η (right) and μ (left) Geminorum, the diffuse emission from S249 (north), and the G189.6+3.3 partial shell (center) are visible.
Chandra X-ray Observatory
Videos
The Chandra X-ray Observatory, previously known as the Advanced X-ray Astrophysics Facility, is a Flagship-class space telescope launched aboard the Space Shuttle Columbia during STS-93 by NASA on Jul
IC 443
…southeast. The remnant's age is still uncertain. There is some agreement that the progenitor supernova happened between 3,000 and 30,000 years ago. Recent Chandra and XMM-Newton observations identified a plerion nebula, close to the remnant southern rim. The point source near the apex of the nebula is a neutron…
Illustration of Chandra
Chandra X-ray Observatory mission logo NASA Great Observatories← ComptonSpitzer → Large Strategic Science Missions Astrophysics Division← ComptonJWST →
Space Shuttle Columbia, STS-93 launches in 1999
Crew of STS-93 with a scale model