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EarthSky Voices

Forest fires are shifting north and intensifying

Forest fires are shifting north and intensifying, especially in high northern latitude areas such as Canada and Siberia. Here's what that means for the planet.

First 1% of new cosmic atlas reveals millions of galaxies

The Euclid mission to survey the universe and understand the nature of dark energy and expanding universe has just released the first 1% of its cosmic atlas.

Sun officially reaches solar maximum in its 11-year cycle

NASA and NOAA announced on October 15, 2024, that the sun has reached the peak of its 11-year solar cycle, or what is known as solar maximum.

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.

Why leaves change color. Plus, EarthSky spies peak fall color 2024

The vivid yellows, oranges and reds of autumn leaves are there throughout spring and summer, but hidden. Here's why leaves change color in the fall.

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.

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