 |
 |
Sort by
|
 |
|
|
Hot Topic
Solar System
Meteorites, Comets and Asteroids
|
|
|
| |
|
|
Catching the Tail of a Comet
|
| Topic: Meteorites, Comets and Asteroids |
10/05/07 |
| Summary: A chance encounter between the Ulysses spacecraft and Comet McNaught has provided interesting information about the composition of comets. In addition, the observations yielded unique insight into the behavior of the solar wind. |
|
|
|
|
Holding Fast to an Asteroid
|
| Topic: Meteorites, Comets and Asteroids |
09/28/07 |
| Summary: A new tether system may help astronauts walk on the surface of asteroids. The technology would help them safely perform experiments to determine the role of comets and asteroids in the origin of life. |
|
|
|
|
Dawn Rising
|
| Topic: Meteorites, Comets and Asteroids |
09/27/07 |
| Summary: The Dawn mission launched today at 7:34 am EDT. The mission will study Vesta and Ceres, two large asteroid belt objects that have been witness to much of our solar system´s history. |
|
|
|
|
The Threat of Small Rocks
|
| Topic: Meteorites, Comets and Asteroids |
09/22/07 |
| Summary: ESA is developing a new mission to study an asteroid up close, and maybe even change its trajectory. The mission could yield clues about how we could prepare for a dangerous, Earth-bound asteroid if one is ever discovered. |
|
|
|
|
A New Dawn
|
| Topic: Meteorites, Comets and Asteroids |
09/15/07 |
| Summary: The Dawn spacecraft has been delivered to Cape Canaveral and is ready to begin its mission to the asteroid Vesta and dwarf planet Ceres. By studying these targets, the mission aims to uncover information about planetary formation. |
|
|
|
|
Lumpy, Bumpy, Fluffy and Layered
|
| Topic: Meteorites, Comets and Asteroids |
09/11/07 |
| Summary: Using observations and theoretical studies, scientists are building a portrait of Comet 67P/Churyumov-Gerasimenko. ESA's Rossetta spacecraft will rendezvous with the comet in 2014 in order to study the comet's composition in detail. |
|
|
|
|
The Baptistina Breakup
|
| Topic: Meteorites, Comets and Asteroids |
09/08/07 |
| Summary: The impactor believed to have wiped out the dinosaurs has now been tracked back to the main asteroid belt. The finding provides insight into an extinction event in Earth's history that had profound effects on the evolution of life as we know it. |
|
|
|
|
Jupiter: Friend or Foe?
|
| Topic: Meteorites, Comets and Asteroids |
08/29/07 |
| Summary: The idea that the planet Jupiter acts to shield Earth from asteroids and comets has now been challenged. A new study shows that the presence of Jupiter does not necessarily lead to a lower impact rate for Earth and other planets in the inner Solar System. |
|
|
|
|
Comet Cools Clovis
|
| Topic: Meteorites, Comets and Asteroids |
08/23/07 |
| Summary: New findings suggest a large comet may have exploded over North America 12,900 years ago, causing abrupt cooling of much of the planet and the extinction of large mammals. |
|
|
|
|
Life in Comets
|
| Topic: Meteorites, Comets and Asteroids |
08/19/07 |
| Summary: A new scientific paper claims that recent probes inside comets show it is overwhelmingly likely that life began in space. |
|
|
|
|
|