Space
We summarize the week's scientific breakthroughs every Thursday.
- Planetary Science
Cometary encounter
Planetary scientists are feasting on close-up images of Comet Wild 2 as well as on the first information about its composition.
- Planetary Science
NASA postpones plans for Mars samples
Still reeling from the failure of its two most recent missions to Mars, NASA announced late last month that it would delay by nearly a decade plans to bring back samples from the Red Planet.
- Planetary Science
When storms collide on Jupiter
Astronomers have for the first time witnessed two giant storms merging on Jupiter.
- Astronomy
Variable quasar may help measure the cosmos
A flickering cosmic mirage, recorded for the first time in X rays, promises to provide a new estimate of how rapidly the universe is expanding.
- Astronomy
Tracking Solar Activity
Part of the Student Observation Network, this NASA Web site offers information and activities related to solar flares and storms. Vividly illustrated online tutorials provide guidelines and background for observing sunspots, recording radio waves, collecting data from magnetometers, and viewing auroras. Learn how to make a sunspot viewer or magnetometer. See live images of the […]
- Planetary Science
Portrait of Phoebe: Cassini images a large Saturn moon
The Saturn-bound Cassini spacecraft took the first close-up images ever recorded of one of Saturn's oddest moons, Phoebe.
- Astronomy
Transit of Venus
On June 8, Venus will pass across the face of the sun (as viewed from Earth). Such a transit occurs rarely; the last one was in 1882. A variety of Web sites feature information about these transits and offer advice for observing and timing the 2004 event. Go to: http://www.venustransit.ie/ and http://sunearth.gsfc.nasa.gov/sunearthday/2004/index_vthome.htm
- Astronomy
Young World: NASA telescope reveals clues to newborn planet
Astronomers have found signs of what may be the youngest planet known, plus the first signs ever of organic compounds in a region of dust that could evolve into a planet-forming region.
- Astronomy
Huge solar flares hit far-flung craft
Spacecraft throughout the solar system have detected material spewed into space by a group of huge solar flares late last year.
- Astronomy
Oddball asteroid
Astronomers have discovered an asteroid that takes only 6 months to go around the sun.
- Astronomy
Cosmic Push: X-ray study confirms universe’s dark side
Culling clues from X rays emitted by distant clusters of galaxies, astronomers report new evidence that some mysterious force overcame gravity's tug about 6 billion years ago and ever since has been pushing galaxies apart at an accelerating rate.
- Astronomy
Live! Venus’ transit on the Web
On June 8, astronomers in Europe plan to Webcast observations of the transit of Venus, the first time the planet has passed across the face of the sun as seen from Earth in 122 years.
