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Space News - Latest Space and Astronomy News | Space
2 days ago · 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
Earth's magnetic field: Explained | Space
Jul 6, 2022 · Additional resources. Earth's magnetic field — also known as the geomagnetic field — is generated in our planet's interior and extends out into space, creating a region known as the ...
Why is the speed of light the way it is? | Space
Jul 16, 2020 · Putting light to the test. The first person to realize that light does indeed have a speed at all was an astronomer by the name of Ole Romer. In the late 1600s, he was obsessed with some strange ...
Why is the sky blue? - Space.com
Aug 25, 2022 · The answer lies in the physics of when sunlight passes through the atmosphere. The light rays are scattered in all directions as they hit the air molecules, and light at the blue end of the ...
The four fundamental forces of nature - Space.com
Dec 23, 2021 · From playing basketball, to launching a rocket into space, to sticking a magnet on your refrigerator - all the forces that all of us experience every day can be whittled down to a critical quartet ...
Terrestrial Planets: Definition & facts | Space
Jan 17, 2022 · Bibliography. Terrestrial planets are Earth-like planets made up of rocks or metals with a hard surface. Terrestrial planets also have a molten heavy-metal core, few moons and topological features ...
What is the cosmic microwave background? | Space
Jan 28, 2022 · The cosmic microwave background (CMB) is leftover radiation from the Big Bang or the time when the universe began. As the theory goes, when the universe was born it underwent rapid inflation ...
Mars: Everything you need to know about the Red Planet
Jul 11, 2022 · Mars quick facts: Size, composition and structure. Mars is 4,220 miles (6,791 km) in diameter — far smaller than Earth, which is 7,926 miles (12,756 km) wide. The Red Planet is about 10% as ...
The summer solstice: What is it and when does it occur? - Space.com
Sep 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 ...