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Space & Planets

Interactions between the Sun’s and Earth’s magnetic fields (shown here as white lines) result in geomagnetic activity and auroras that are visible from Earth’s surface.
Posted inScience Updates

Exploring New Knowledge on Magnetospheric Interactions

by J. R. Kan and J. L. Burch 6 April 201618 July 2023

AGU Chapman Conference on Magnetospheric Dynamics; Fairbanks, Alaska, 27 September to 2 October 2015

Posted inNews

Space Telescope Findings Suggest Molten Planetary Surface

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 30 March 201624 October 2022

Researchers studying the super-Earth 55 Cancri e spotted some puzzling features that provide a new vision of the orb's surface.

Posted inEditors' Vox

Toward an Understanding of Earth-Affecting Solar Eruptions

by Y. Wang 30 March 201627 April 2022

Coronal mass ejection forecasting improves with technological developments and increasing availability of data.

van-allen-probes-artists-rendering
Posted inScience Updates

Radiation Belt Processes in a Declining Solar Cycle

by A. Y. Ukhorskiy, B. H. Mauk, D. G. Sibeck and R. L. Kessel 23 March 201627 March 2023

The Van Allen Probes began an extended mission in November to advance understanding of Earth's radiation belts.

Dipolarization fronts (DFs), bursty bulk flows (BBFs), flux transfer events (FTEs), and Kelvin-Helmholtz instability (KHI) in a high-resolution simulation of an idealized substorm.
Posted inScience Updates

Great Mysteries of the Earth's Magnetotail

by Mikhail Sitnov, V. G. Merkin and J. Raeder 21 March 201618 July 2023

Workshop on Magnetotail Reconnection Onset and Dipolarization Fronts; Laurel, Maryland, 16–18 September 2015

Artist’s rendering of what Venus might look like near the surface.
Posted inScience Updates

Comparing Planetary Climates to Investigate Climate Systems

by S. D. Domagal-Goldman, J. Hollingsworth and L. Glaze 18 March 20161 August 2022

Comparative Climates of Terrestrial Planets II (CCTP2 ): Understanding How Climate Systems Work; Moffett Field, California, 8–11 September 2015

Posted inResearch Spotlights

Hubble Gazes at Europa's Aurora

by Mark Zastrow 17 March 201610 February 2023

Scientists get their best glimpse yet of the shimmering phenomena on one of Jupiter's most intriguing moons.

Posted inResearch Spotlights

Demystifying Mercury "Hollows"

by Terri Cook 11 March 201628 July 2022

Spectral data from NASA's MESSENGER spacecraft indicate that the properties of the depressions on Mercury's surface can vary within a single crater and that these differences may correlate to age.

Posted inResearch Spotlights

Gamma Ray Bursts Leave Their Mark in the Low Ionosphere

by L. Strelich 10 March 201610 March 2023

Scientists use very low and low-frequency radio signals to detect short gamma ray bursts and their impact on the low ionosphere.

Posted inScience Updates

Planetary Caves' Role in Astronaut Bases and the Search for Life

by J. J. Wynne, Timothy Titus and P. J. Boston 8 March 201631 March 2022

2nd International Planetary Caves Conference; Flagstaff, Arizona, 20–23 October 2015

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