The Utah State University Space Dynamics Laboratory in North Logan, Utah. Credit: SDL SALT LAKE CITY — The Utah State University Space Dynamics Laboratory (SDL) has a new affiliation with the U.S.
Shortly after first light on Feb. 15, 2013, a meteor blazed across the western Siberian sky before exploding with an estimated blast yield of up to 500 kilotons of TNT — far more powerful than the ...