An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.
Return to Main Site

Chandra Launch Date Set!!!

July 20, 1999 ::

sts-93 astronauts
Col. Eileen Collins, shown here with the STS-93 crew, will be the first female commander of a space shuttle mission.
Left to right: Tognini, Coleman, Ashby, Hawley, Collins.
Photo: NASA
The announcement we have all been waiting for has been made. NASA managers have set July 22, 1999, as the "official" launch date for Space Shuttle Columbia. This historic mission, STS-93, will feature the first female Shuttle Commander and the deployment of the world's most powerful X-ray telescope, the Chandra X-ray Observatory.

orbit path
Chandra's elliptical orbit takes it from a closest approach to Earth of 6,000 miles to a maximum distance of 87,000 miles.
Illustration: NGST
shuttle deploying Chandra
Artist's rendering of Chandra deployment from Columbia.
Illustration: NGST

Columbia is scheduled to lift off from Launch Pad 39-B at the Kennedy Space Center at 12:28 a.m. EDT, the beginning of a 46 minute launch window. Approximately seven hours after liftoff, Chandra will be gently pushed away from Columbia. Over the next few days a two-stage booster will place it in a highly elliptical orbit that will carry the observatory as far as one-third of the way to the moon.

While Chandra's secondary propulsion system is maneuvering the satellite into its final orbit, instructions will be sent to the spacecraft to power up the scientific instruments and allow them to adjust to the low temperatures and vacuum of space. This process will take about three weeks. The first X-ray image should be available in about four weeks.


Related Web Sites
Chandra X-ray Observatory Launch! - CXC's Launch information page, includes live video, shuttle info, status reports and more.
STS-93 Launch Countdown - information relating to the Space Shuttle Launch, processing, countdown and status
Human Spaceflight Web's STS-93 Countdown - includes an overview of the STS-93 mission, payload info, benefits of space explorations, and more.




Subscribe to the Chandra Chronicles
Receive updates by email GO
Info & Privacy Policy.
Chronicles Archives
Articles from:
['13 | '12 | '11 | '10 | '09 | '08 | '07 | '06 |
'05 | '04 | '03 | '02 | '01 | '00 | '99]
Recent Articles
Chandra Twitter Updates
    Follow Chandra on Twitter

    Return to Main Site

    Subscribe




    Thanks!

    Thanks for your request. You will be hearing from us soon!

    The Chandra X-ray Center emails the Chandra Digest approximately every two weeks and includes the latest press release or image from Chandra, as well as any new science features, additions to the Chandra site and more. We do not use your email for any other purpose. Please see our privacy policy for details.

    Close this window