Artist's Concept of Extrasolar Planet

Artist's Concept of Extrasolar Planet


Nov 27, 2001

Animation is an artist's concept of the planet orbiting HD 209458. Though the planet's detailed appearance is an artist's concept, the planet is known to be a gas giant similar to Jupiter, and is locked very close to its ... more
Artist's Concept of a Transit

Artist's Concept of a Transit


Nov 27, 2001

A planet passes in front of its host star - a celestial event called a transit. Astronomers used such a transit to examine the gas giant orbiting HD 209458 by probing the star's light passing through the planet's ... more
Artist's Concept of a Transit with a Graphic Light Curve

Artist's Concept of a Transit with a Graphic Light Curve


Nov 27, 2001

One way that astronomers look for and study extrasolar planets is by watching stars and noting periodic changes in their brightness. Those changes are caused by the slight dimming of the star as a planet passes between ... more
Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 1

Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 1


Nov 27, 2001

Dr. Gilliland describes the ground-breaking achievement he and his colleagues have made by using the Hubble Space Telescope to examine an extra-solar planet.
Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 2

Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 2


Nov 27, 2001

Dr. Gilliland offers details of Hubble's observation of the planet's atmosphere.
Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 3

Interview: Dr. Ronald Gilliland, Space Telescope Science Institute: Part 3


Nov 27, 2001

Dr. Gilliland comments on the future of observing this planet with HST.
Space Science Update: Hubble Makes First Direct Measurements of Atmosphere on World Around Another Star (Webcast)

Space Science Update: Hubble Makes First Direct Measurements of Atmosphere on World Around Another Star (Webcast)


Nov 27, 2001
Galaxy NGC 6782 Animation

Galaxy NGC 6782 Animation


Nov 1, 2001

This spiral galaxy, when seen in visible light, exhibits tightly wound spiral arms that give it a pinwheel shape similar to that of many other spirals. However, when the galaxy is viewed in ultraviolet light with NASA's ... more
Animation Depicting Uses of the National Virtual Observatory

Animation Depicting Uses of the National Virtual Observatory


Oct 29, 2001

The National Virtual Observatory: The National Virtual Observatory (NVO) will unite astronomical databases of many earthbound and orbital observatories, taking advantage of the latest computer technology and data storage ... more
Interview with Dr. Steven Beckwith, Director, Space Telescope Science Institute: Part 1

Interview with Dr. Steven Beckwith, Director, Space Telescope Science Institute: Part 1


Oct 29, 2001

Dr. Beckwith says that NVO will open up astronomical data to scientists in the same way that the Internet has opened up information to consumers-by making it easier to transfer data from one computer to another.