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NASA

Posted inResearch Spotlights

If There Is Phosphine on Venus, There Isn’t Much

by Morgan Rehnberg 1 December 20221 December 2022

New observations of the Venusian atmosphere collected from an airborne observatory showed no sign of the potential biosignature gas, casting additional doubt on a previous report of its detection.

Spacecraft view of the surface of Jupiter’s moon Europa showing a complex pattern of ridges and bands.
Posted inResearch Spotlights

Europa’s Plate Tectonic Activity Is Unlike Earth’s

by Morgan Rehnberg 29 November 202227 January 2023

The moon of Jupiter has likely experienced intermittent, regional plate tectonic activity in the past, although the plates are currently dormant.

Cross-sectional illustration of Mars showing the location of the InSight lander, the site of a meteorite impact, and different seismic wave paths from the impact that InSight detected
Posted inResearch Spotlights

Powerful Impact Provides Insight into Deep Structure of Mars

Rachel Fritts, Science Writer by Rachel Fritts 14 November 202214 November 2022

Seismic signals detected by the InSight lander show that the planet’s lower mantle may be less homogenous than previous models have suggested.

Half of Jupiter’s moon Europa seen from space
Posted inResearch Spotlights

Zipping Up Data to Zap Them Back from an Icy Moon

Sarah Derouin, Science Writer by Sarah Derouin 19 October 20224 October 2023

NASA wants to send instruments to distant moons like Europa and Enceladus to search for life. But getting vital data back to Earth over limited bandwidth will take some impressive compression software.

A thermal image of coastline shows plant evaporative stress in varying shades of red and green. Waterways in black snake through the mangrove forest, becoming narrower toward the top of the image. Land that touches or is near a waterway tends to have low evaporative stress and shows up as bright green, whereas areas farther inland indicate high evaporative stress and appear red.
Posted inResearch Spotlights

Optimizing Competing Instrument Needs with an Objective Metric

by Morgan Rehnberg 29 August 202229 August 2022

Intrinsic dimensionality can quantify the level of information obtainable for various possible instrument configurations.

An illustration of the Solar Orbiter positioned in front of the Sun.
Posted inAGU News

Brighter Skies Ahead

Heather Goss, AGU Publisher by Heather Goss 25 August 202217 January 2023

As solar max approaches, new tech is on call.

Flaky rock particles leak into space from the over-filled sampling device on OSIRIS-REx in this series of black and white images.
Posted inScience Updates

A Time Capsule from the Early Solar System Is En Route to Earth

by C. W. V. Wolner 4 August 20224 August 2022

After an exciting encounter with asteroid Bennu, the OSIRIS-REx mission team looks forward to hitting pay dirt when a hefty sample of ancient planetesimal material is delivered to Earth next year.

Illustration of two spacecraft near the Moon, with Earth in the background.
Posted inNews

Moon’s Porosity Changes Cratering History, Study Says

Damond Benningfield, Science Writer by Damond Benningfield 3 August 20224 October 2022

Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.

Uranus and Neptune as seen by Voyager 2
Posted inResearch Spotlights

A Unified Atmospheric Model for Uranus and Neptune

by Morgan Rehnberg 1 August 20221 August 2022

In a new model, three substantial atmospheric layers appear consistent between the ice giants.

Kimberley Miner poses in front of her 3D-printed statue on the National Mall in Washington, D.C.
Posted inFeatures

Kimberley Miner: Preserving Earth’s Biodiversity and Integrity

by Alexandra K. Scammell 25 July 202222 December 2022

From Antarctica to the Arctic, Miner’s career as a climate scientist has taken her to Earth’s frozen areas to study the effects of climate change.

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