Has Hubble photographed an extrasolar planet?
Terebey and colleagues believe that the new planet was in orbit around two stars – TMR-1A and -1B – before it was ejected by a gravitational slingshot mechanism. The planet then created a ...
Salty oceans on Europa
Europa is roughly the size of the Moon and is 85% water by weight. An icy crust reflects most of the light falling on the satellite. In 1979, the Voyager spacecraft flew past Europa and discovered a s...
Astronomers see extra-solar planetary debris
Planets are thought to form from the debris surrounding young stars. As material rotates around the star, gravitational attraction causes the debris to clump together into planets. Gradually the plane...
Did the Earth get hit by multiple impacts?
Simon Kelley of the Open University in the UK, John Spray of the University of New Brunswick, and David Rowley of the University of Chicago in the US, reached this startling conclusion while trying to...
Water found on Moon!
Rumours that Lunar Prospector – NASA’s first lunar mission in twenty five years – had confirmed the existence of water ice had captivated the space science community since the beginn...
NASA looks to next Mars mission
The Surveyor 98 mission consists of a satellite called Mars Climate Orbiter, and a ground probe, Mars Polar Lander. Both craft will arrive at Mars during 1999. The orbiter will spend two years measuri...
Planet controversy ends
The new evidence is published in this week’s Nature. Two papers, one by David Gray of the University of Western Ontario, and one by Artie Hatzes of the University of Texas, Austin, describe new ...
Mission to Saturn back on track
The Cassini/Huygens mission to Saturn and one of its moons, Titan, lifts off
