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Space. Space is a three-dimensional continuum containing positions and directions. [1] In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. [2]
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. Space exploration, like its classical form astronomy, is one ...
The principal component of the Solar System is the Sun, a low-mass star [g] that contains 99.86% of the system's known mass and dominates it gravitationally. [26] The Sun's four largest orbiting bodies, the giant planets, account for 99% of the remaining mass, with Jupiter and Saturn together comprising more than 90%.
NASA Space Place. Logo for NASA Space Place Program. Publishers. NASA. Players. 2–10. targeting upper-elementary aged children. Launched in 1998, [2] [3] it was the first NASA website to create content about multiple missions directly for children. It has its own url, and it also serves as the kids' portion of the NASA Science Mission ...
Sally Kristen Ride (May 26, 1951 – July 23, 2012) was an American astronaut and physicist. Born in Los Angeles, she joined NASA in 1978, and in 1983 became the first American woman and the third woman to fly in space, after cosmonauts Valentina Tereshkova in 1963 and Svetlana Savitskaya in 1982. She was the youngest American astronaut to have ...
Reach: A Space Podcast for Kids is produced by Soundsington Media. Background. The podcast is created by Sandy Marshall and Nate DuFort as an outreach project of Solar System Ambassadors. The show is produced by Soundsington Media. The show features interviews with astronauts and engineers, and includes activities for the listeners.
Outer space. Illustration of Earth's atmosphere gradual transition into outer space. Outer space (or simply space) is the expanse beyond celestial bodies and their atmospheres. It contains ultra-low levels of particle densities, constituting a near-perfect vacuum [1] of predominantly hydrogen and helium plasma, permeated by electromagnetic ...
Mae Carol Jemison (born October 17, 1956) is an American engineer, physician, and former NASA astronaut. She became the first African-American woman to travel into space when she served as a mission specialist aboard the Space Shuttle Endeavour in 1992. Jemison joined NASA's astronaut corps in 1987 and was selected to serve for the STS-47 ...
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