Related topics: launch · satellite · space · international space station · nasa

SpaceX eyes March 14 for next Starship test launch

Elon Musk's SpaceX on Wednesday announced it was eyeing March 14 as the earliest date for the next test launch of its giant Starship rocket, with which it hopes to one day colonize Mars.

Japan moon lander put to sleep after surviving lunar night

Japan's moon lander has been put back to sleep after it surprisingly survived the freezing, two-week lunar night, the country's space agency said, with another operation attempt scheduled for later this month.

New realistic computer model will help robots collect moon dust

A new computer model mimics moon dust so well that it could lead to smoother and safer lunar robot teleoperations. The tool, developed by researchers at the University of Bristol and based at the Bristol Robotics Laboratory, ...

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Rocket

A rocket or rocket vehicle is a missile, spacecraft, aircraft or other vehicle which obtains thrust by the reaction of the rocket to the ejection of fast moving fluid exhaust from a rocket engine. Chemical rockets create their exhaust by the combustion of rocket propellant. The action of the exhaust against the inside of combustion chambers and expansion nozzles is able to accelerate the gas to hypersonic speed, and this exerts a large reactive thrust on the rocket (an equal and opposite reaction in accordance with Newton's third law).

Rockets, in the form of military and recreational uses, date back to at least the 13th century. Widespread military, scientific, and industrial use did not occur until the 20th century, when rocketry was the enabling technology of the Space Age, including setting foot on the moon.

Rockets are used for fireworks, weaponry, ejection seats, launch vehicles for artificial satellites, human spaceflight and exploration of other planets. While comparatively inefficient for low speed use, they are very lightweight and powerful, capable of generating large accelerations and of attaining extremely high speeds with reasonable efficiency.

Chemical rockets store a large amount of energy in an easily-released form, and can be very dangerous. However, careful design, testing, construction and use minimizes risks.

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