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Space News - Latest Space and Astronomy News | Space
网页1992年10月9日 · Space.com is your source for the latest astronomy news and space discoveries, live coverage of space flights and the science of space travel. | Space
How rockets work: A complete guide | Space
网页2021年6月30日 · The key to using rockets in space is to carry a chemical called an oxidant that can perform the same role as oxygen in Earth's air and enable the fuel to combust. The Space Shuttle’s unique ...
Solar system planets, order and formation — a guide | Space
网页2024年8月27日 · Additional resources. The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and ...
Heliocentrism: Definition, origin and model | Space
网页2022年4月8日 · Bibliography. Following the theory of heliocentrism, today we know that Earth, and the other planets of the solar system, are all in orbit around the sun. However, it was once believed that Earth ...
Earth's magnetic field: Explained | Space
网页2022年7月6日 · Earth has two sets of poles, geographic pole and magnetic poles. Earth's magnetic field can be visualized if you imagine a large bar magnet inside our planet, roughly aligned with Earth's axis.
Track the ISS: How and where to see it - Space.com
网页2024年6月27日 · The ISS zips around Earth at an average speed of 17,500 mph ( 28,000 km/h), completing 16 orbits per day. As the ISS orbits with an inclination of 51.6 degrees, if you live beyond 51.6 degrees ...
What's the story behind the stars? | Space
网页2021年6月1日 · In an effort to escape a monster that had been sent to attack Mount Olympus — the home of the gods — the goddess of love, Aphrodite, and her son, Eros, transformed themselves into fish in ...
What is a Nebula? Nebula: Definition, Location and Variants | Space
网页2024年6月17日 · A nebula is a giant cloud of gas and dust located in the space between stars. Nebula is Latin for "mist, vapor, fog, smoke, exhalation," but in an astronomical context, it refers to any celestial ...
The 10 biggest space science stories of 2021 | Space
网页2021年12月29日 · 5. James Webb Space Telescope flies into space. NASA's James Webb Space Telescope separates from its Ariane 5 rocket with the bright blue Earth in the background in this view captured after its ...