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Posts by
EarthSky Voices
Will the official definition of a planet change … again?
Astronomers will vote on a new definition of a planet in August 2024. The update would include exoplanets and set mass limits.
July 14, 2024
Map shows extreme heat hammering U.S. coasts
Extreme heat has hammered the U.S. already this summer. Take a look at a map of the states and read more about the heat on the East and West Coasts.
July 13, 2024
Lava lakes on Io: Juno zooms in on Io’s volcanoes
NASA's Juno spacecraft flew in close to Io and studied lava lakes, gleaning new information on the volcanic processes on this active volcanic moon.
June 30, 2024
Pillars of Creation visualized in multiwavelength 3D
NASA has released a new 3D visualization of the Pillars of Creation using data from NASA's Hubble and James Webb space telescopes.
June 27, 2024
Star clusters found in the Cosmic Gems arc by Webb
Webb has discovered massive young star clusters in the Cosmic Gems arc. This can give astronomers insight on how galaxies and globular clusters formed.
June 26, 2024
Lightning safety: Here’s what you need to know
Read up on lightning safety tips. Do you know whether it's safe to be at the beach in a lightning storm? How about a golf cart? Do rubber tires make you safe?
June 23, 2024
Carbon capture is controversial, but it may be crucial
Carbon capture - first used in the 1920s - has a critical role in reaching net zero emissions of the greenhouse gas carbon dioxide.
June 16, 2024
What is the heliosphere and how can we measure it?
The heliosphere is a bubble of solar gas that extends outward and protects the planets from interstellar radiation. Scientists would like a probe to study it.
June 14, 2024
Epic solar storm effects seen by Mars rovers
The sun lobs its particles into the solar system, and studying this space weather on Mars helps us understand what future astronauts might face there.
June 12, 2024
The last Milky Way galactic collision was a recent event
The Milky Way has collided with many other galaxies. The Gaia space telescope found the most recent galactic collision happened later than we thought.
June 11, 2024
