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Science @ NASA

The Science and Technology Directorate at NASA's Marshall Space Flight Center sponsors the Science@NASA web sites. The mission of Science@NASA is to help the public understand how exciting NASA research is and to help NASA scientists fulfill their outreach responsibilities.

URL: http://science.nasa.gov

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Spirit's Journey to the Center of Mars

mar, 02/03/2010 - 17:27

NASA's venerable Mars rover Spirit is starting a second career as an explorer of the Martian core--but first it must survive the deadly Martian winter.

Catégories: Actualité en Anglais

Cool Movie: SDO Destroys a Sundog

mar, 02/03/2010 - 17:27

NASA's Solar Dynamics Observatory amazed onlookers last week when it flew past a sundog and destroyed it. Must-see videos of the event captured shock waves from the rocket billowing through the sundog, eliciting cries of delight and amazement from the crowd below.

Catégories: Actualité en Anglais

3D Sun for the iPhone

mar, 02/03/2010 - 17:27

Imagine holding the entire sun in the palm of your hand. Now you can. A new iPhone app developed by NASA-supported programmers delivers a live global view of the sun directly to your cell phone.

Catégories: Actualité en Anglais

Are TGFs Hazardous to Air Travelers?

mar, 02/03/2010 - 17:27

Terrestrial gamma-ray flashes (TGFs) surge through thunderstorms at about the same altitude where commercial airliners fly. Do these blasts of gamma-radiation pose a hazard to air travelers?

Catégories: Actualité en Anglais

Solar Dynamics Observatory: The 'Variable Sun' Mission

mar, 02/03/2010 - 17:27

The Solar Dynamics Observatory (SDO), slated for liftoff on Feb. 9th, will make IMAX-quality movies of solar explosions, peer beneath the stellar surface to see the sun's inner dynamo, and--researchers hope--unravel the mysteries of solar variability.

Catégories: Actualité en Anglais