Latest news with #AutumnEquinoxes
Yahoo
13-05-2025
- Yahoo
Alaska town sees last sunset until August as 84 days of daylight begins
UTQIAGVIK, Alaska– The town at the northern tip of Alaska has seen its last moment of darkness for nearly three months. Utqiagvik experiences this phenomenon known to locals as "midnight sun" every year in the weeks surrounding the summer solstice. It's part of Northern Alaska that the only place in the U.s. that experiences 24-hour daylight for a part of the year. On Saturday, the sun rose at 2:51 a.m. for the town, and it won't set again until 1:55 a.m. on Aug. 2, totaling 84 days of continuous daylight as the sun instead circles the horizon. Why Northern Lights Displays Are Stronger Around Spring, Autumn Equinoxes Midnight sun occurs because of the Northern Hemisphere's tilt toward the sun during the late spring and summer, peaking on the summer solstice on June 20. All areas north of the Arctic Circle at 66.3 degrees north latitude will have some days of 24-hour daylight. In the winter, the reverse occurs as the Northern Hemisphere tilts away from the sun, and Utqiagvik joins those north of the Arctic Circle in experiencing polar night. This is when the sun doesn't rise above the horizon for several weeks, typically starting in November and ending sometime in January the following year. Strange Lights Appear In Alaska's Night Sky During 'Awesome' Aurora Experiment Other places in the world that experience midnight sun and polar night include: Norway, portions of Northern Canada, Iceland, Sweden and article source: Alaska town sees last sunset until August as 84 days of daylight begins
Yahoo
27-03-2025
- Science
- Yahoo
Strange lights appear in Alaska's night sky during AWESOME aurora experiment
FAIRBANKS, Alaska – Any aurora chasers in Alaska likely did a double take this week when they witnessed some human-made additions to the dazzling Northern Lights overhead when teams launched two NASA-sounding rockets straight into the glowing sky above. The University of Alaska Fairbanks Geophysical Institute is in the midst of a busy launch campaign at the Poker Flats Research Range north of Fairbanks. The campaign includes three Nasa sounding rockets aimed at improving space weather research and prediction as part of an experiment called Auroral Waves Excited by Substorm Onset Magnetic Events, or AWESOME. Two of those rockets were launched Tuesday. The plan was to launch all three within a three-hour window, but NASA said one of the rockets malfunctioned and needed repair. The rockets deployed tracer payloads that were then tracked on the ground by about a dozen UAF researchers and students at ground stations across the interior and northern Alaska. Here is what they saw: The pink, blue and white tracers released by the second rocket were deployed during an aurora substorm. According to UAF, this is a period of "intense brightening caused by the sudden release of energy stored in the elongated tail of Earth's magnetosphere." Why Northern Lights Displays Are Stronger Around Spring, Autumn Equinoxes UAF said the tracers were widely visible across central and northern Alaska. "Because we had the two-stage rockets deploying over central Alaska and the four-stage rocket deploying off the north coast of Alaska, we essentially were conducting two independent tracer experiments at the same time," UAF space physics professor Mark Conde said in an update. "And because the camera locations we needed were completely different for each of those rockets, we needed many camera sites to be clear at the same time." UAF researchers said what they learn from the AWESOME study could help improve space weather forecasting. Tuesday's double launch happened during a Geomagnetic Storm Watch issued by NOAA's Space Weather Prediction Center because of a solar feature known as a coronal hole high-speed stream sending charged particles toward Earth, and creating powerful Northern Lights seen farther south than normal. The third NASA sounding rocket for the AWESOME experiment could launch sometime before the range's launch window closes on April article source: Strange lights appear in Alaska's night sky during AWESOME aurora experiment
