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Aurora over Clouds

Auroras usually occur high above the clouds. The auroral glow is created when fast-moving particles ejected from the Sun impact the Earth's magnetosphere, from which charged particles spiral along the Earth's magnetic field to strike atoms and molecules high in the Earth's atmosphere. An oxygen atom, for example, will glow in the green light commonly emitted by an aurora after being energized by such a collision. The lowest part of an aurora will typically occur about 100 kilometers up, while most clouds exist only below about 10 kilometers. The relative heights of clouds and auroras are shown clearly in the featured picture in 2015 from Dyrholaey, Iceland. There, a determined astrophotographer withstood high winds and initially overcast skies in an attempt to capture aurora over a picturesque lighthouse, only to take, by chance, the featured picture including elongated lenticular clouds, along the way.

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Top tip. Slow to half speed lol







PS: i also have fallen for his french selections



There are myriad mysteries in the vastness of the universe, but astronomers around the world are particularly enamored with Fast Radio Bursts (FRB) right now. Since discovering the first FRB in the early 2000s, scientists have been trying to identify the source of these intensely powerful electromagnetic signals. ...
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Astronomers Trace Fast Radio Bursts Back to Their Home Galaxies - ExtremeTech

Mike Rothschild, the author of the new book “The Storm Is Upon Us,” is very concerned about QAnon’s “true believers.” The FBI agrees.

QAnon Isn't Dead. It's Evolving Into Something Far Worse.

The analysis detected the following 11 alarmingly dangerous pathogens on the masks:

• Streptococcus pneumoniae (pneumonia)

• Mycobacterium tuberculosis (tuberculosis)

• Neisseria meningitidis (meningitis, sepsis)

• Acanthamoeba polyphaga (keratitis and granulomatous amebic encephalitis)
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A Group Of Parents Sent Their Kids' Face Masks to A Lab for Analysis. Here's What They Found by Scott Morefield


What should be the perfect opening to England’s European Championship campaign — in its home stadium on a scorching summer afternoon — instead carries an element of trepidation about the reception the players will receive from their own fans.

Booing of anti-racism gesture reinforces need to take a knee

Gosiame Thamara Sithole, 37, was astonished by decuplets after scans only showed eight in the womb.

South African woman gives birth to 10 babies in Pretoria - reports - BBC News

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Thousands of jack fish swimming together at Cabo Pulmo National Park, Sea of Cortez, Baja California, Mexico

To celebrate World Oceans Day, we're swimming through a shoal of jack fish just off the coast of Baja, California, in Cabo Pulmo National Park. This Mexican marine park in the Sea of Cortez is home to the northernmost and oldest coral reef on the west coast of North America, estimated to be about 20,000 years old. Jacks are clearly plentiful here, but divers and snorkelers in Cabo Pulmo can also come across many other species of fish and marine mammals, including several varieties of sharks, whales, dolphins, tortoises, and manta rays.
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A Distorted Sunrise Eclipse

Yes, but have you ever seen a sunrise like this? Here, after initial cloudiness, the Sun appeared to rise in two pieces and during partial eclipse, causing the photographer to describe it as the most stunning sunrise of his life. The dark circle near the top of the atmospherically-reddened Sun is the Moon -- but so is the dark peak just below it. This is because along the way, the Earth's atmosphere had an inversion layer of unusually warm air which acted like a gigantic lens and created a second image. For a normal sunrise or sunset, this rare phenomenon of atmospheric optics is known as the Etruscan vase effect. The featured picture was captured in December 2019 from Al Wakrah, Qatar. Some observers in a narrow band of Earth to the east were able to see a full annular solar eclipse -- where the Moon appears completely surrounded by the background Sun in a ring of fire. The next solar eclipse, also an annular eclipse for well-placed observers, will occur later this week on June 10.

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