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Where you may see northern lights this weekend, as a geomagnetic storm heads to Earth The Washington PostAurora alert: Possible geomagnetic storm could spark northern lights as far south as Illinois and Oregon tonight Space.comNorthern Lights Return: Powerful Solar Flare May Cause Aurora Borealis To Be Visible In These States ForbesLook to the sky: Rare chance to see Northern Lights in Philadelphia region Friday NBC PhiladelphiaStrong Solar Flare Erupts from Sun – Solar Cycle 25 NASA Blogs

Two human cases of bird flu confirmed in California as infection continues to spread in US: CDC Fox NewsTwo California dairy workers were infected with bird flu, latest human cases in US ABC NewsCalifornia reports likely H5N1 infection in dairy worker University of Minnesota Twin CitiesTwo California farmworkers test positive for bird flu CNNCalifornia reports bird flu in two people in contact with infected cows Reuters

Reds to hire Terry Francona as manager (source) MLB.comWilliams: Cincinnati Reds hire a winner in Terry Francona. Now give him the players to win The Cincinnati EnquirerSources: Francona returning to manage Reds ESPNReds To Hire Terry Francona As Manager MLB Trade RumorsThe Reds needed experience. Terry Francona needed the grind.

Live coverage: ULA to launch second test flight of its Vulcan rocket from Cape Canaveral Spaceflight NowULA Vulcan rocket launch scheduled from Cape Canaveral. What time is liftoff? Florida TodaySpace Ops: Vulcan At The Pad Aviation WeekULA set for second Vulcan launch SpaceNewsLIVE: ULA’s Vulcan set to launch on second certification flight NASASpaceflight.com

Asteroid that eradicated dinosaurs not a one-off, say scientists The GuardianNadir crater: The asteroid that killed the dinosaurs was not alone BBC.com3D anatomy of the Cretaceous–Paleogene age Nadir Crater Nature.comFive-mile asteroid impact crater below Atlantic captured in 'exquisite' detail by seismic data Phys.orgTwo Asteroids, One Dinosaur Extinction: Second Crater Bolsters Double Impact Theory Gizmodo

BepiColombo spacecraft's flyby of Mercury begins unraveling the planet's magnetic mystery Space.comMercury's magnetic landscape mapped in 30 minutes Phys.orgMercury’s magnetic landscape mapped in 30 minutes European Space AgencyBepiColombo’s Mercury Flyby Unravels Mysteries of the Planet’s Magnetic Field The Daily Galaxy --Great Discoveries ChannelAn Electrical Donut And Magnetic Horns Spotted Around Mercury During Quick Flyby IFLScience