All Day

Van Allen Probes Mark Another Year in Space

Low Earth Orbit (LEO)

NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.

Launch Falcon Heavy / Nancy Grace Roman Space Telescope

SLC-39A, ~29°N, Kennedy Space Center FL, USA

Roman will be >12.7 meters long – about the length of a semi-truck trailer – and >4.4 meters wide when fully deployed. Its primary mirror is 2.4 meters in diameter, which is the same size as the Hubble Space Telescope's primary mirror. It will have sensitivity and resolution comparable to […]