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Space exploration is the use of astronomy and space technology to explore outer space. [1] While the exploration of space is currently carried out mainly by astronomers with telescopes , its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight .
The astronomical order of magnitude of the distance between Earth and the nearest stars is a challenge for the current development of space exploration. At the current top speed of 70.2 km/s, the Helios 2 probe would arrive at the nearest star, Proxima Centauri, in around 18,000 years, [31] much longer than a human lifespan and therefore ...
Space technology is technology for use in outer space. Space technology includes space vehicles such as spacecraft , satellites , space stations and orbital launch vehicles ; deep-space communication ; in-space propulsion ; and a wide variety of other technologies including support infrastructure equipment, and procedures .
India’s space aspirations show no signs of slowing, as the country strengthens cooperation with the United States on a slew of upcoming science and human spaceflight missions.
Now that SpaceX has proved both Starship and Super Heavy can launch toward space and return to Earth in one piece, the company is on track to reduce rocket-launch costs by an estimated 10 times.
Space Exploration Technologies Corp., commonly referred to as SpaceX, is an American space technology company headquartered at the Starbase development site near Brownsville, Texas. Since its founding in 2001, the company has made numerous advancements in rocket propulsion , reusable launch vehicle , human spaceflight and satellite ...
The Artemis program is a Moon exploration program led by the United States' National Aeronautics and Space Administration (NASA), formally established in 2017 via Space Policy Directive 1. It is intended to reestablish a human presence on the Moon for the first time since the Apollo 17 mission in 1972.
Solar System space probes operational as of November 2024. This is a list of active space probes which have escaped Earth orbit. It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points (for these, see List of objects at Lagrangian points). A craft is deemed "active" if it is still able to ...
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