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Earth
Human World
Sudden downpour in Paris floods metro stations
Paris floods inundated some metro stations on Tuesday evening, August 16. A sudden, torrential rain struck the city just as commuters were leaving work.
August 17, 2022
Human World
Space
Launches: U.S. Space Force takes command
On today's Launches blog ... The US Space Force officially assumed command of all US military communications satellites.
Space
Asaph Hall finds Mars moon Phobos 145 years ago today
On this date in 1877, American astronomer Asaph Hall discovered Phobos, the larger of Mars' 2 moons. He discovered the other moon, Deimos, later that year.
August 17, 2022
Earth
Raising monarch butterflies for release
Monarch butterflies face many predators on their way from egg to butterfly. You can help to safely foster them on their journey with the steps found here.
August 16, 2022
Tonight
Jupiter and the moon, August 16, 17 and 18 mornings
Jupiter and the moon grow farther apart in the sky as the moon's lit face shrinks in size. Watch the moon recede from Jupiter on August 16, 17 and 18, 2022.
August 16, 2022
Earth
Human World
Freya the walrus killed, social media erupts
Freya, a young female walrus, had been lounging in the sun in an Oslo, Norway fjord for weeks. But, on August 14, Norway's fisheries directorate killed her.
August 15, 2022
Space
Dark matter halos missing in Fornax Cluster
A new study suggests dwarf galaxies in the Fornax cluster lack dark matter halos. This finding challenges the cosmological Standard Model.
August 15, 2022
Astronomy Essentials
Saturn at opposition on August 14
Don't miss Saturn at opposition on and around the night of August 14, 2022. That's when our planet Earth passes between the sun and Saturn.
August 14, 2022
Astronomy Essentials
What is a globular cluster?
A globular cluster is a spherical collections of stars, orbiting in the halo of spiral galaxies. Our Milky Way galaxy has over 150 globular clusters.
August 14, 2022
Earth
Circumhorizon arc or iridescent cloud?
It's easy to confuse a circumhorizon arc with an iridescent cloud, and vice versa. Circumhorizon arcs are more commonly seen at this time of year.
August 14, 2022
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