In Antarctica in January scientists released balloons into the air as part of a NASA-funded mission called BARREL Each balloon launched by the BARREL team floated for anywhere from three to days measuring X-rays produced by fast-moving electrons high up

Tags: space, antarctica, january, scientists, released, balloons, nasa-funded, mission, called, barrel, balloon, launched, team, floated, days, measuring, x-rays, produced, fast-moving, electrons, atmosphere

Prev Next Slideshow
(You can use your keyboard arrow keys )

Top Photos

More liked picsHot Pics