Moon-Like Madagascar
A bright lens of anorthosite, a rock type prevalent on the lunar surface, is cradled within sheared rocks in the country’s south.
NASA Watches Earth’s Weight, Finds Center of Mass
Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric center. NASA scientists are on the case, tracking the oscillations because Earth’s center of mass is a crucial reference point for satellite navigation and elevation measurements. A team, led […]
A Bit of Gray on an Emerald Isle
Ireland is best known for its many greens, but the striking grays of the island’s Burren region also stand out in satellite images.