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.
Kimberly M. S. Cartier
Kimberly M. S. Cartier, Senior Science Reporter for Eos.org, joined the Eos staff in 2017 after earning her Ph.D. studying extrasolar planets. Kimberly covers space science, climate change, and STEM diversity, justice, and education
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Giant Geode Grew Slow and Steady
Temperature fluctuations, maybe from climate or maybe from geothermal systems, amplified a natural process that grew the crystals.
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Modern Planet Protection Rules Recommended and Welcomed
Protocols for the Moon and Mars, human exploration, ocean worlds, and the private sector are all due for a major overhaul.
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Yet Again, Warmer Winter Looms for U.S.
NOAA’s winter forecasts are less confident than usual except in Alaska and Hawaii. Expect to see a lot of weather variability in the coming months.
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What Inflates the Solar Bubble? Voyagers Count What’s Missing
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.
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Equity Concerns Raised in Federal Flood Property Buyouts
The communities most in need of federal property buyouts after a flood are the communities least likely to get them.
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Foretelling Forest Death from Above
A satellite-based early-warning signal may spot the start of a forest’s decline and give forest managers more time to save its life.
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Freshwater Pools Show Antarctica Is More Vulnerable Than We Thought
East Antarctica’s lakes cluster in patterns similar to those on Greenland’s ice sheet, which is melting rapidly.
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Human Activity Outpaces Volcanoes, Asteroids in Releasing Deep Carbon
Humanity’s carbon emissions are, by far, the largest disturbance to Earth’s steady state carbon cycle.
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No One-Size-Fits-All Way to Combat Urban Heat Island Effect
Tropical and dry cities respond differently to heat mitigation strategies. This difference should be considered when trying to protect residents from increasingly dangerous summer temperatures.