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spacecraft

Illustration of how “electron wings” form around a spacecraft traveling through a plasma
Posted inResearch Spotlights

“Electron Wings” Can Interfere with Spacecraft Measurements

by Mark Zastrow 26 February 202030 September 2021

Spacecraft sometimes produce a form of electrical self-interference as they zip through plasmas in space—a previously unreported effect that may be lurking in old data sets.

The track of a boulder that tumbled into one of the Moon’s permanently shadowed regions
Posted inNews

Shedding Light on the Darkest Regions of the Moon

by C. Fogerty 21 February 202021 February 2023

An international team of researchers is analyzing boulder tracks to learn more about some of the most elusive regions on the Moon.

An illustration of a spacecraft flying over Uranus
Posted inNews

The Ice Giant Spacecraft of Our Dreams

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 January 20203 December 2021

Scientists imagined some innovative technologies that could enhance a future mission to Uranus or Neptune.

Grayscale image of asteroid Bennu with large bolder
Posted inNews

Location, Location, Location: The How-to’s of Asteroid Sampling

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 December 20197 December 2022

Finding the right spot to grab a sample of Bennu was more of a challenge than the OSIRIS-REx team had originally planned.

NASA’s Mars Atmosphere and Volatile Evolution spacecraft orbits Mars and samples electrons behind the Martian bow shock in this artist’s rendition.
Posted inResearch Spotlights

Explaining the Missing Energy in Mars’s Electrons

by Mark Zastrow 11 November 201910 March 2022

Electrons energized and trapped at Mars were thought to lose energy inside the planet’s magnetosheath, but new research suggests a different explanation of spacecraft data.

Two spacecraft flying outside the solar system in interstellar space
Posted inNews

Voyager 2’s Interstellar Arrival Was Kind of Familiar. That’s Surprising

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 November 201917 June 2022

The spacecraft crossed the solar system’s edge at a different spot and in a different solar season than Voyager 1. Nevertheless, the border looked much the same in both spots.

An image of a solar flare in extreme ultraviolet
Posted inNews

Virtual Super Instrument Enhances Solar Spacecraft

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 1 November 201921 February 2023

The same algorithms that help control self-driving cars and speech-to-text functionality have helped build a virtual instrument to study the Sun.

An illustration of the Sun within the heliosheath encountering the interstellar medium
Posted inNews

What Inflates the Solar Bubble? Voyagers Count What’s Missing

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 October 201916 November 2021

The first in situ measurement of the pressure at the edge of the solar system reveals that there’s still a lot we don’t know about what sets the size of the heliosphere.

The launch plume from a test missile diffuses into the middle and upper atmosphere.
Posted inFeatures

The Coming Surge of Rocket Emissions

by M. N. Ross and D. W. Toohey 24 September 201924 October 2022

With the space industry’s rapid growth, rocket exhaust will increasingly accumulate in the atmosphere. How this accumulation might affect the planet is unknown—because we’re not taking it seriously.

Schematic showing the basic shape and properties of the heliosphere, the protective magnetic bubble created by the solar wind
Posted inResearch Spotlights

Sampling the Space Between the Stars

by Mark Zastrow 19 August 201916 November 2021

Data from the Cassini and Voyager spacecraft reveal new information about the Sun’s magnetic bubble.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Makes Mars’s Magnetotail Flap?

20 April 202620 April 2026
Editors' Highlights

How Space Plasma Can Bend the Laser of Gravitational Wave Detectors

24 April 202623 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
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