X @Tesla Owners Silicon Valley

Falcon 9 is the only rocket in history that launches, lands and re-flies on a routine basis.How it works:The first stage separates from the second stage at altitude~ Engines reignite to slow the descent~ Grid fins steer it back to the landing zone or droneship~ Engines fire one more time for the final landing burn~ Touchdown is gentle enough that the booster can be inspected, refurbished and reusedThis sequence happens 100+ times a year. Every other rocket family on Earth is single-use, even today, because ...