telescope
A telescope dropped dark matter data from the edge of space. Here’s why
Doomsday came on May 25 for the payload of a pumpkin-shaped balloon at the edge of space. The floating gourd — inflated with more than 500,000 cubic meters of helium and large enough to fit 60 Goodyear blimps inside it — traversed the southern hemisphere some five times in 40 days, toting a telescope that…