How new planets form near the Seven Sisters

User rating: 4.5 / 5 after 13 vote(s)

Color composite image of the Pleiades star cluster produced by Inseok Song of the Spitzer Science Center using montage software developed by IPACCalifornia Institute of Technology. An artists rendering of a collision in the Pleiades (inset) by Lynett ...
Color composite image of the Pleiades star cluster produced by Inseok Song of the Spitzer Science Center, using montage software developed by IPAC/California Institute of Technology. An artist's rendering of a collision in the Pleiades (inset), by Lynette R. Cook, for Gemini Observatory.

Rocky terrestrial planets, perhaps like Earth, Mars or Venus, appear to be forming or to have recently formed around a star in the Pleiades ("seven sisters") star cluster, the result of "monster collisions" of planets or planetary embryos.


Full story »

All News summaries from Space & Earth science news
All News summaries for November 15, 2007

Phoenix Weathers Dust Storm

5 hours ago | User rating: not rated yet
(PhysOrg.com) -- The Phoenix Lander over the weekend successfully weathered a regional dust storm that temporarily lowered its solar power, and the team is back investigating the Red Planet's northern plains. ...

Reservoirs promote spread of aquatic invasive species

6 hours ago | User rating: not rated yet
(PhysOrg.com) -- The latest "damming" evidence suggests that manmade reservoirs are facilitating the spread of invasive species in Wisconsin lakes.

Ghostly glow reveals galaxy clusters in collision

8 hours ago | User rating: not rated yet
A team of scientists, including astronomers from the Naval Research Laboratory (NRL), have detected long wavelength radio emission from a colliding, massive galaxy cluster which, surprisingly, is not detected ...

Star Count Goes Global

8 hours ago | User rating: not rated yet
Schoolchildren, families and citizen scientists around the world will gaze skyward after dark from Oct. 20 to Nov.3, 2008, looking for specific constellations and then sharing their observations through the ...

21st century detective work reveals how ancient rock got off to a hot start

8 hours ago | User rating: not rated yet
A new technique using X-rays has enabled scientists to play 'detective' and solve the debate about the origins of a three billion year old rock fragment.