NASA's Goddard Space Flight Center

SDO watches giant filament on the Sun

A snaking, extended filament of solar material currently lies on the front of the sun— some 1 million miles across from end to end. Filaments are clouds of solar material suspended above the sun by powerful ...

Oct 03, 2014
4.5 / 5 (19) 0

How NASA builds a space laser

To build a satellite that will measure all the bumps and dips of our dynamic Earth, engineers started with a black box, built of a composite honeycomb material to make it as light as possible.

Jun 04, 2014
4.9 / 5 (7) 3