NASA

5h NASA ‏@NASA

Checkout Smart SPHERES, free-flying remotely operated robotic satellites aboard the International Space Station  http://go.usa.gov/4aeh 

8h NASA ‏@NASA

It's a bird, it's a plane, it's ...PhoneSat! Smartphones in space -- http://tinyurl.com/coyshyg 

11h NASA ‏@NASA

Go Out of this World at the Presidential Inauguration with NASA during a #NASASocial on Jan. 18. Register now: http://go.nasa.gov/UHJDIJ 

12h NASA ‏@NASA

[Image of the Day] Blazing Black Holes Spotted in Spiral Beauty http://go.nasa.gov/Xq3fya  #iotd

13h NASA ‏@NASA

NASA's GALEX Spacecraft has determined the largest-known spiral galaxy is NGC 6872. It's 522,000 light-years wide! http://go.nasa.gov/WpGpDJ 

13h NASA ‏@NASA

How do clusters of galaxies form and evolve? Today's APOD image of the Fornax cluster helps explain it! http://go.nasa.gov/KeNAvr 

15h NASA ‏@NASA

We're heading to California this month to continue #DISCOVER-AQ air quality study that flew DC-Balt. in 2011. http://go.nasa.gov/XpJ9Ee 

10 Jan NASA ‏@NASA

NASA, @MarsCuriosity & @NASAGoddard are nominated for the @ShortyAwards for excellence in social media. Help vote: http://go.nasa.gov/XojbAT 

10 Jan NASA ‏@NASA

NASA rules out Earth impact in 2036 by an asteroid! http://go.nasa.gov/UR0YPA 

10 Jan NASA ‏@NASA

Here's a new video showing the moon before two NASA probes impacted the lunar surface on Dec. 17, 2012! http://go.nasa.gov/UQT4Wx 

10 Jan NASA ‏@NASA

US students/teachers: here's your chance to talk to an astronaut in space! Applications due 1/18. http://go.nasa.gov/hhDF1o  #STEM

10 Jan NASA ‏@NASA

Here's the latest edition of NASA's ScienceCast videos. It highlights @NASAFermi seeing gamma-rays from lightning! http://go.nasa.gov/W63e1z 

10 Jan NASA JSC Students ‏@NASAJSCStudents

Hey guys we're doing a Google+ hangout with the Houston Chronicle's SciGuy check it out @4 EST/3CST! http://blog.chron.com/sciguy/2013/01/students-create-nasas-most-popular-web-video-ever-chat-with-them-later-today/ …

10 Jan NASA ‏@NASA

LDCM: Mike Freilich: For decades, Landsat has played a critical part in NASA's mission to advance Earth system science. http://go.nasa.gov/O5VA1h 

10 Jan NASA ‏@NASA

LDCM: • Ken Schwer: LDCM  is a national asset. It's the eighth satellite in the Landsat series which began in 1972. http://go.nasa.gov/O5VA1h 

10 Jan NASA ‏@NASA

Landsat: David Jarrett: LDCM adds to the longest continuous data record of Earth's surface as viewed from space. http://go.nasa.gov/O5VA1h 

10 Jan NASA ‏@NASA

Check out this new video called: Curiosity Rover Gives Mars the Brush-Off.  http://go.nasa.gov/XnpF32