- News Home
6 March 2014 1:04 pm ,
Vol. 343 ,
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
- 6 March 2014 1:04 pm , Vol. 343 , #6175
- About Us
ScienceShot: Rough Life for Asteroid Lutetia
11 July 2010 9:45 pm
The Rosetta spacecraft didn’t linger in its 54,000-kilometer-per-hour flyby of the asteroid Lutetia on Saturday, but it has already confirmed the impression left by observations from afar: Lutetia is a much-battered remnant of the earliest days of the solar system. As astronomers had inferred, the asteroid, located in the main asteroid belt between Mars and Jupiter, is elliptical and 132 kilometers long; it's also roughly shaped and bears several craters, including at least one large impact crater. That amount of damage indicates that Lutetia has been around for billions of years. Settling the debate over the asteroid's ultimate origin will require an analysis of its mineralogical nature (i.e., whether it is rocky or a metallic). Astronomers hope Rosetta’s spectroscopic observations will provide those data in the coming weeks and months.
See more ScienceShots.