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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]
720,000 km/h (450,000 mi/h) [10] Orbital period. ~230 million years [10] The Solar System[d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] It was formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets.
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 ...
Rutgers University. Website. www.katechazarreta.com. Katya Celeste Echazarreta González[1] (born June 15, 1995) is a Mexican electrical engineer, science communicator, and Citizen Astronaut. She became the first Mexican-born woman in space as part of Space for Humanity's Citizen Astronaut Program, launched June 4, 2022. [2]
Anna Menon, a mission specialist and medical officer on the Polaris Dawn mission, poses with "Kisses from Space," a children's book she co-authored. Menon read the book Wednesday from orbit. But ...
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