Earth’s atmosphere absorbs X-rays, so X-ray astronomers must place their telescopes in space. The Chandra telescope was launched by the space shuttle Columbia in 1999 and is today operated by ...

Chandra is still functioning well, and scientists expect the instrument to soldier on for at least another decade. Eventually, perhaps a century from now, the worn-out telescope will likely slip ...

Using cutting-edge theoretical models and data from NASA's Chandra X-ray Observatory, scientists have transformed ...

One of the most famous and beautiful cosmic sights shows its colors in this new image from the Hubble Space Telescope. The Veil Nebula is the remnant of a massive star which exploded in a supernova 10 ...

The Smithsonian Astrophysical Observatory is pleased to present a collection of 9 models that were created using images generated by the Chandra X-ray Observatory. The launch of this collection ...

Astronomers are using the Chandra X-Ray observatory, a powerful, space-based telescope, to examine the first black holes. These black holes appeared in the first one to two billion years after the ...

The new instrument will orbit much farther from ... The group also includes the Spitzer Space Telescope and the Chandra X-ray Observatory. Spitzer is an infrared orbiting telescope that can ...

The telescope was successfully ... planned after being launched into orbit. The instrument is a major upgrade over its counterpart attached to Chandra, and can detect the energy released by ...