WATCH NEW HORIZONS FLY BY ULTIMA THULE: NASA's New Horizons spacecraft is now only hours away from Ultima Thule, a mysterious elongated object in the distant Kuiper Belt. At 12:33 am EST on Jan. 1st, New Horizons will swoop past Ultima Thule three times closer than it buzzed Pluto in 2015. More information and links to live coverage are available on today's edition of Spaceweather.com
Above: The students of Earth to Sky Calculus are about to kick off a new year of cosmic ray balloon launches, continuing a 5-year campaign to monitor increasing levels of radiation in Earth's atmosphere. You can help. Buy any gift item from the Earth to Sky Store and we'll give you 10% off to celebrate the New Year.
