All Day

14 Years in Space: Van Allen Probes

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

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

Launch set for 0:26 EDT | Roman spacecraft is 12.7 meters long 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 Hubble, but a […]