There is no atmosphere where parachutes can be used, so it has to retrorocket all the way down. From Wordnik.com. [Europa Capable of Supporting Life, Scientist Says | Universe Today] Reference
Thus . . . the transporter, which eliminated any need for the goofy retrorocket landings, was born. From Wordnik.com. [I’m Working on That] Reference
At that time Claggett would send a radio signal which would activate a small retrorocket in each satellite, causing it to drop dutifully into its assigned position around the Moon. From Wordnik.com. [Space]
Aug. 20, 1960:After a day in orbit Sputnik 5fires its retrorocket, and when it lands safely, two dogs inside, Strelka and Belka, become the first living creatures to return to Earth from space. From Wordnik.com. [Briefly, They Were the Equal of Monkeys] Reference
On re-entry, a glitch involving a retrorocket made the ship rotate swiftly, and the landing capsule was slow to jettison the service module. From Wordnik.com. [The Seattle Times] Reference
If you take a look at marine turbine's retrorocket, the jet turbine they outfitted in that pickup can do 800 miles to a tank and the engine can be tuned to burn multiple fuels. From Wordnik.com. [Brad Ideas - Comments] Reference
The 27-year-old cosmonaut's mission lasted just 108 minutes and was fraught with drama: a break in data transmission, glitches involving antennas, a retrorocket and the separation of modules. From Wordnik.com. [The Seattle Times] Reference
Miles, they fired Orbiter's retrorocket for three seconds, reducing the low point of its orbit from 30.4 to 25.1 miles, and got it into position for more photography. From Wordnik.com. [TIME.com: Top Stories] Reference
Seconds later the retrorocket fired. From Wordnik.com. [Covergent Series]
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