Over the weekend, the Earth’s magnetic field was struck by a coronal mass ejection (CME). The CME — a vast bubble of solar plasma that had erupted from the sun on Jan. 19 — took longer than expected to travel through interplanetary space, but on Sunday it made contact.
Winter Solstice TODAY— the shortest and darkest day of the year
i think im gonna mention this to my Astronomy teacher tomorrow ^_______^
Skysurvey.org is the largest ever true color all-sky photograph. 5 kilopixel panorama of 37,440 exposures from 2 hemispheres. This is what you’d see if the Earth suddenly became transparent and the sky were 3000 times brighter. I love how strongly you can perceive the disc of the Milky Way; we’re at the outer edge so there’s a lot of stars between us and the core.