NASA

Rare Clear View of Alaska

Rare Clear View of Alaska

A rare clear view of Alaska by MODIS on NASA’s Terra satellite, that most days, is covered by relentless rivers of clouds, obscuring most of the state’s 6,640 miles (10,690 kilometers) of coastline and 586,000 square miles (1,518,000 square kilometers) of land.   Image © NASA/Jeff Schmaltz, LANCE MODIS Rapid Response Team, NASA GSFC. Caption: Adam Voiland

By |June 21, 2013|Categories: Natural phenomena

Curiosity’s 17 cameras

Curiosity's 17 cameras

NASA’s Curiosity rover is at Point Lake on Mars and will snap pictures to send home. Find out more about the rover’s 17 cameras, including why some shoot in color and others take black-and-white images.    Watch the video…

By |June 16, 2013|Categories: Space

The Vortex of Power

The Vortex of Power

The Honeywell ALF 502 engine that was recently used for the NASA Engine Icing Validation test at Glenn’s Propulsion System Laboratory (PSL). This test allows engine manufacturers to simulate flying through the upper atmosphere where large amounts of icing particles can be ingested and cause flame outs or a loss of engine power on aircraft.    Image © NASA Bridget R. Caswell (Wyle Information Systems, LLC)

By |June 12, 2013|Categories: Technology news

This is how photographs from ISS are taken

This is how photographs from ISS are taken

Expedition 36 flight engineer, NASA astronaut Chris Cassidy, inside the cupola on the Space Station, uses a 400mm lens on a digital still camera to photograph a target of opportunity on Earth some 250 miles below him.   Image © NASA

By |June 11, 2013|Categories: Space

Solar-Electric Propulsion Thruster

Solar-Electric Propulsion Thruster

A cutting-edge solar-electric propulsion thruster that uses xenon ions for propulsion, in development at NASA’s Jet Propulsion Laboratory, Pasadena, Calif.     Image © NASA/JPL-Caltech

By |May 27, 2013|Categories: Physics, Space

Testing Supersonic Sound

Testing Supersonic Sound in Twin Rectangular Jet model

The Twin Rectangular Jet model, installed on the Nozzle Acoustic Test Rig in the Aeroacoustic Propulsion Laboratory at NASA‘s Glenn Research Center. It’s being tested to determine the acoustic impact of engine configurations on low sonic boom plane for the High Speed Project of the Fundamental Aeronautics Program. Image © NASA/Bridget R. Caswell

By |May 22, 2013|Categories: Aviation

Extraterestrial wheeled machines records

Extraterestrial wheeled machines records

Just released by NASA this chart presenting the distances traveled by wheeled machines we send on the Moon and MarsHave a look at the full version of the chart…

By |May 17, 2013|Categories: Space

Kepler Planet-Hunting hits major technical problems [update]

Kepler Planet-Hunting hits major technical problems

NASA’s Kepler Planet-Hunting telescope has lost its ability to point toward stars, because one of the reaction wheels that control the telescope’s orientation in space, has failed.

UPDADE: Have a look at this article: How NASA might revive the Kepler planet-hunter

By |May 16, 2013|Categories: Space

NASA Rover Grover set to Explore Greenland Ice Sheet

NASA Rover Grover set to Explore Greenland Ice Sheet

NASA Rover GROVER, which stands for both Greenland Rover and Goddard Remotely Operated Vehicle for Exploration and Research, is on its way to Greenland for over a month of testing on the ice-covered environment.

By |May 5, 2013|Categories: Technology news

Three Years of Sun in Three Minutes

Three Years of Sun in Three Minutes

A composite of 25 separate images spanning the period of April 16, 2012, to April 15, 2013. It reveals the zones on the Sun where active regions are most common during this part of the solar cycle.      Have a look at the video…   Image © NASA/SDO/AIA/S. Wiessinger

By |April 29, 2013|Categories: Astronomy