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EarthSky Voices

Jupiter’s Great Red Spot wiggles like gelatin

New observations with the Hubble Space Telescope show that Jupiter's Great Red Spot wiggles like a bowl of gelatin. It squeezes in and out like a stress ball.

Black hole destroys a star, goes after another

A black hole shredded one star and now, a few years later, the debris disk is pummeling another star. This second star flashes in X-ray every time it gets hit.

Westerlund 1 star cluster: Imagine if we lived here

Imagine a sky full of stars as bright as a full moon. If we were in this super star cluster - called Westerlund 1 - that's what we might see.

How likely is a doomsday asteroid swarm from Comet Encke?

Astronomers studying the debris that causes the Taurid meteor shower said it's unlikely there's a doomsday asteroid swarm hidden in the debris.

Alpheratz belongs to Andromeda, but is part of the Great Square

Alpheratz appears to our eyes as a single star but it is actually a close binary star system. Many stargazers use it to locate the Andromeda galaxy.

Centaur jets? Webb detects jets of gas on distant icy body

Webb detected jets of carbon monoxide and carbon dioxide gas on a distant icy centaur. This may shed light on the formation and evolution of the solar system.

Biobots are a 3rd state between life and death

Biobots are tiny, multicellular robots powered by living cells to perform tasks, and they're a third state between life and death.

An uncommonly strong atmospheric river in Pacific Northwest

A powerful atmospheric river swept through the Gulf of Alaska in September 2024. The storm made landfall as Category 5, the highest tier on the scale.

Is cosmology at a tipping point? Is new physics ahead?

The standard model has done an exceptional job explaining cosmology. But there are problems. Will new observations be a tipping point toward new physics?

We’re getting better at seeing asteroids that may hit Earth

Astronomers are getting better at spotting asteroids, such as the asteroid that hit Earth near the Philippines on September 5, 2024. Read more.