On This Day In Space July 23, 1999 Chandra X-Ray Observatory Deployed By STS-93
On July 23, 1999, the space shuttle Columbia launched into orbit to deploy the Chandra X-ray Observatory. This space telescope can detect X-ray radiation emitted by things in the universe that are hot and have a lot of energy, like supernova explosions and black holes. When it launched, Chandra was the most sophisticated X-ray telescope …
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