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Astronomy Essentials
Tonight
Visible planets and night sky guide for July
Visible planets and night sky guide for July 2024. Watch for the waning gibbous moon close to Saturn. Some sky watchers will see the moon occult Saturn.
July 24, 2024
Space
Eternal sunrises, sunsets viewed on distant exoplanet
The Webb Space Telescope probed eternal sunrises and sunsets on exoplanet WASP-39b. It found differences in the atmospheres.
July 24, 2024
Human World
Spot a fake, AI-generated image by looking at the eyes
A method astronomers use to measure light from galaxies can also be used to tell whether a photo of someone is real or a deepfake AI-generated image.
July 24, 2024
Earth
Nearly extinct Siamese crocodiles hatch in the wild
In June 2024, 60 critically endangered Siamese crocodiles successfully hatched in the wild, in the Cardamom Mountains of Cambodia.
July 24, 2024
Earth
New dog-sized burrowing dinosaur discovered in Utah
Fona herzogae, a newly discovered dinosaur species that once lived in Utah, 99 million years ago, is one of a few known species of burrowing dinosaur.
July 24, 2024
Brightest Stars
Meet Delta Scorpii, aka Dschubba, it’s a variable star
Delta Scorpii, also known as Dschubba, is a variable star in the constellation Scorpius. With the eyes alone, you can check its brightness for yourself.
July 24, 2024
Sun
Sun news July 24: Sun activity moderate with 2 M flares
Sun news for July 24, 2024. Two M flares bring sun activity to moderate. The largest was an M3.6 by active region AR3651.
July 24, 2024
Sun
The next solar cycle – Solar Cycle 26 – is already beginning
Astronomers using helioseismology have peered into the sun to see a pattern indicating the next solar cycle - Solar Cycle 26 - is already beginning.
July 23, 2024
Earth
Sun
Precise space storm alerts could help shield Earth’s tech
A new understanding of the heights of magnetic fields in the sun's active regions will lead to precise space storm alerts and help protect technology on Earth.
July 23, 2024
Earth
Here are the US cities most vulnerable to space weather
Scientists identified Milwaukee and Washington, D.C., as US cities most vulnerable to space weather due to the connection of their transformers to the network.
July 23, 2024
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