They came from outer space--and you can have one! Genuine meteorites are now on sale in the Space Weather Store.
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QUIET SUN: Solar activity remains low. NOAA forecasters estimate a slim 10% chance that sunspot AR1793 will break the quiet with an M-class solar flare on July 22nd. Solar flare alerts: text, voice.
THUNDER MOON: Picture this: You step outside on a warm summer evening. In the distance, a stroke of lightning plunges to Earth. One-one-thousand, two-one-thousand, three-one-thousand. The air shakes with thunder as the clouds part to reveal a brilliant full Moon. This could happen tonight. According to folklore, the full Moon of July 22nd is the "Thunder Moon", named after the storms of summer. Step outside after sunset and see what happens!
David Hoffmann photographed the waxing Thunder Moon on July 21st from Ashland, Oregon:
"It is always a pleasure watching the moon as she rises through the trees moving slowly into the night sky," says Hoffmann. "This Thunder Moon will be full on July 22nd at 11:17am Pacific time."
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SPACE WEATHER BALLOON UPDATE: The Petunia-laden payload of the space weather balloon, described below, is being recovered today by a team of hikers from Earth to Sky Calculus. Deep in the Sierra backcountry, they'll be meeting two packers on horseback who are returning the payload from the John Muir Trail. Stay tuned for updates.
PETUNIAS FALL FROM THE EDGE OF SPACE: On Friday, July 19th, Caleb Smith was hiking along the John Muir Trail in California's Sierra Nevada mountains when something unprecedented happened. A vase of petunias parachuted out of the sky. "They landed about 50 feet away from me," he reports. The flowers were returning from the stratosphere, where the students of Earth to Sky Calculus had sent them hours earlier to honor Cassini's historic photography of Earth through the rings of Saturn. Scroll past this pre-launch picture of the petunias to learn more about the mission:
The balloon was launched to photobomb Cassini's picture of Earth from the highest possible altitude. In addition to the petunias, the payload contained three scientific experiments, a copy of the Hitchhikers Guide to the Galaxy, and a Galileo Bobblehead. The items on board were selected competitively from more than 1056 entries suggested by Spaceweather.com readers. First place winners of the competition received free telescopes from Explore Scientific.
The petunias were a bouquet for the ringed planet. It honors Saturn's ancient mythology as a god of agriculture and also makes reference to the Hitchhikers Guide to the Galaxy. Fans of Douglas Adams will understand their significance!
In addition to the items aimed at Saturn, the balloon also carried a space weather experiment. A device combining a GPS altimeter and cryogenic thermometer was sent aloft to measure the height of the tropopause, the coldest layer of Earth's atmosphere. The students who launched the balloon want to see if this changes in response to solar flares and radiation storms.
Realtime Space Weather Photo Gallery
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Realtime Noctilucent Cloud Photo Gallery
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