NASA
TESS, Spitzer Spot Potential Giant World Circling Tiny Star
An international team of astronomers has reported what may be the first example of an intact planet closely orbiting a white dwarf, a dense leftover of a Sun-like star that’s only 40% bigger than Earth. The detection of the Jupiter-size...
NASA
Photon Phright-day: Ghost Islands
Remote, recently formed (via volcanic eruptions) oceanic islands in the deep ocean can be studied by satellite lidar altimetry as ICESat2 has been doing, but especially with the satellite lidar bathymetry of the shallows where even...
NASA
OSIRIS-REx Sheds Light on Hazardous Asteroid Bennu
On September 25, 2135, an asteroid called Bennu will make a close flyby of Earth. Our planet’s gravity will tweak Bennu’s path, making it a challenge to calculate its future trajectory. During the flyby, there is an extremely small...
NASA
NASA Uses CATS to Study Air Pollution
NASA is measuring air pollution with a laser called CATS, the Cloud Aerosol Transport System. Mounted on the International Space Station about 249 miles above Earth, CATS makes observations about the transport of aerosols by looking...
NASA
NASA | TIRS TVAC1 Opening the Vacuum Chamber
The Thermal InfraRed Sensor (TIRS) is part of the Landsat Data Continuity Mission (LDCM) to continue thermal imaging and to support emerging applications such as evapotranspiration rate measurements for water management. TIRS is being...
NASA
NASA | The Data Downpour
A video describing how the GPM constellation turns observed radiances and reflectivities of global precipitation into data products.
NASA
NASA | Sentinels of the Heliosphere
What NASA calls its 'Heliophysics Observatory' is an impressive fleet of spacecraft designed (often with international partnership) to study the relationship between the Sun, Earth, and Solar System. Flying in an array of trajectories...
NASA
NASA | X Marks the Spot: SDO Sees Reconnection
Two NASA spacecraft have provided the most comprehensive movie ever of a mysterious process at the heart of all explosions on the sun: magnetic reconnection. Magnetic reconnection happens when magnetic field lines come together, break...
NASA
NASA | Wide Field Camera 3: Extending Hubble's Vision
When placed on the Hubble Space Telescope, WFC3 will provide unprecedented capabilities for imaging the cosmos at near-ultraviolet and at near-infrared wavelengths. The Wide Field Camera 3 (WFC3) will study a diverse range of objects and...
NASA
NASA | Uncovering Winter's Mystery
A brief recap of the satellite news media tour on February 1, 2012 that looked at the science of falling snow, how NASA observes snow from space, and the factors that lead to the 2010 "Snowmageddon."
NASA
NASA | The How-To Guide to Satellites: The Design Review
Building satellites isn't easy. They're complex, expensive, and not to mention hard to make! This is why whenever NASA makes a new satellite--like the MAVEN mission to Mars--its scientists and engineers do everything they can to make...
NASA
NASA | Ten Years of Global Fire Observations
This visualization leads viewers on a narrated global tour of fire detections beginning in July 2002 and ending July 2011. The visualization also includes vegetation and snow cover data to show how fires respond to seasonal changes. The...
NASA
NASA | Spacecraft Track Solar Storms From Sun To Earth
NASA's STEREO spacecraft and new data processing techniques have succeeded in tracking space weather events from their origin in the Sun's ultrahot corona to impact with the Earth 96 million miles away, resolving a 40-year mystery about...
NASA
NASA | Sea Level Rising: Interview with Tom Wagner
Earth’s rising seas are some of most visible signs of our warming planet. Over the last 20 years, NASA satellites, airborne missions and field campaigns show a steady rise in global sea levels as the world’s polar ice sheets melt. As the...
NASA
NASA | Return with LRO
The Deputy Project Manager for the Lunar Reconnaissance Orbiter (LRO) program, Cathy Peddie, expresses her personal and professional thoughts on the upcoming LRO mission. From following in the footsteps of her childhood heroes,to...
NASA
Going for GOLD: Exploring the Interface to Space
GOLD is a new NASA science mission that launches in January 2018 to explore Earth’s interface to space! GOLD stands for Global-scale Observations of the Limb and Disk. It will inspect the dynamic region of near-Earth space where space...