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How rockets work: A complete guide | Space
WEBJun 30, 2021 · 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 ...
Space.com: NASA, Space Exploration and Astronomy News
WEB2 days ago · Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.
Track the ISS: How and where to see it - Space.com
WEBJun 27, 2024 · 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 is the Big Bang Theory? | Space
WEBJul 26, 2023 · This was a period of cosmic inflation that lasted mere fractions of a second — about 10^-32 of a second, according to physicist Alan Guth’s 1980 theory that changed the way we think about the ...
Earth's magnetic field: Explained | Space
WEBJul 6, 2022 · 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.
Solar system planets, order and formation: A guide | Space
WEBMar 29, 2023 · 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 then the possible ...
The summer solstice: What is it and when does it occur? - Space.com
WEBSep 26, 2022 · The summer solstice for the Northern Hemisphere occurs on June 20, 2024, at 4:51 p.m. EDT (2051 GMT), and the summer solstice for the Southern Hemisphere occurs on Dec. 21, 2024, at 5:29 a.m. EST ...
What is the temperature on Mars? | Space
WEBFeb 25, 2022 · On average, the temperature on Mars is about minus 80 degrees F (minus 60 degrees Celsius) according to NASA. In winter, near the poles, temperatures can get down to minus 195 degrees F (minus 125 ...
How Big is Mars? | Size of Planet Mars | Space
WEBAug 2, 2012 · At its equator, Mars has a diameter of 4,222 miles (6,794 km), but from pole to pole, the diameter is 4,196 miles (6,752 km). Mars’ radius is, of course, half of planet’s diameter. The ...
What is time? | Space
WEBAug 26, 2022 · Time is all around us and is the basis of how we record life on Earth. Civilizations rise and fall, stars are born and extinguished, and our method of tracking how those moments relate to the ...