July 20, 1976: Landing on the red planet

Fresh off its first terrestrial test drive, NASA’s Mars 2020 rover was displayed to media last week at the Jet Propulsion Laboratory in California before it’s packed up and flown across the country to Cape Canaveral in February to begin final launch preparations for liftoff in July.

On the eve of its blazing entry into the Martian atmosphere, NASA’s InSight spacecraft briefly pulsed its control jets Sunday to target a safe, flat landing zone near the planet’s equator — the last in a series of trajectory correction maneuvers since the mission’s launch in May.

#OTD in 1995, Endeavour launched on the ASTRO-2 astronomy mission: