Astronomer finds that Mercury has molten core

User rating: 4.6 / 5 after 25 vote(s)

Jean-Luc Margot assistant professor of astronomy at Cornell University uses a raw egg (right still) and a cooked egg (left spinning) to illustrate how an objects spin state can reveal information about its interior. Credit: Lindsay FranceCornell Univ ...
Jean-Luc Margot, assistant professor of astronomy at Cornell University, uses a raw egg (right, still) and a cooked egg (left, spinning) to illustrate how an object's spin state can reveal information about its interior. Credit: Lindsay France/Cornell University Photography

Chefs have long used a simple trick to differentiate between a raw and hard-boiled egg. By spinning an egg and watching how it behaves when the spin is disrupted, it's easy to tell whether its interior is solid or liquid.


Full story »

All News summaries from Space & Earth science news
All News summaries for May 03, 2007

Beijing smog persists with Games just around corner

2 hours ago | User rating: not rated yet
Beijing was swathed in smog on Friday just two weeks ahead of the Olympics as its notorious pollution defied aggressive steps aimed at clearing the air for next month's Games.

Massive oil spill clogs Mississippi River

2 hours ago | User rating: not rated yet
The Mississippi River reopened to limited traffic on Friday, two days after a barge collided with a tanker spilling hundreds of thousands of gallons of fuel oil, the US Coast Guard said.

A new era in search for 'sister Earths'?

Jul 25, 2008 | User rating: not rated yet
Research presented at a recent astronomical conference is being hailed as ushering in a new era in the search for Earth-like planets by showing that they are more numerous than previously thought and that ...

'Impressionist' Spacecraft to View Solar System's Invisible Frontier

Jul 25, 2008 | User rating: not rated yet
(PhysOrg.com) -- At the edge of our solar system in December 2004, the Voyager 1 spacecraft encountered something never before experienced during its then 26-year cruise through the solar system — an invisible ...

NASA Successfully Tests Parachute for Ares Rocket

Jul 25, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA and industry engineers have successfully completed the first drop test of a drogue parachute for the Ares I rocket. The drogue parachute is designed to slow the rapid descent of the spent first-stage ...