Tag: Earth

Unusal Moon Magnetism may be due to gravity from Earth

A new model for generating a global magnetic field in the ancient moon could help solve a 40-year-old mystery. The Earth has a magnetic field because it has a spinning solid core surrounded by hot metallic liquid, which churns around lava-lamp style and generates magnetism. But the moon is too small and cool to possess such a molten interior and therefore lacks a global magnetic field.

Russia Returning to Mars After 15-Year Break

If you don’t succeed the first 18 times, try, try again. That might be the motto of the Russian space agency Roscosmos, which is preparing to launch its first new probe to Mars after a long string of failures and a 15-year hiatus on planetary science exploration.

Help NASA Build Smartphone Apps

NASA wants you and your smartphone to help it address global problems. On Sept. 20, the agency announced the International Space Apps Competition asking scientists, engineers, and ordinary citizens to develop apps that use publicly released scientific data to study things like weather-related hazards and other pressing issues.

National Fossil Day — Celebrating Earth Science Week

Source: news.harvard.edu — Saturday, September 17, 2011Harvard Museum of Natural History 26 Oxford St. Cambridge, MA 02138 Wed., Oct. 12, 2011, 9 a.m. – 5 p.m. The National Park Service and the American Geological Institute are partnering to ho…