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  2. Earth's orbit - Wikipedia

    en.wikipedia.org/wiki/Earth's_orbit

    Ignoring the influence of other Solar System bodies, Earth's orbit, also called Earth's revolution, is an ellipse with the EarthSun barycenter as one focus with a current eccentricity of 0.0167. Since this value is close to zero, the center of the orbit is relatively close to the center of the Sun (relative to the size of the orbit).

  3. Lagrange point - Wikipedia

    en.wikipedia.org/wiki/Lagrange_point

    Within the SunEarth system, the L 3 point exists on the opposite side of the Sun, a little outside Earth's orbit and slightly farther from the center of the Sun than Earth is. This placement occurs because the Sun is also affected by Earth's gravity and so orbits around the two bodies' barycenter, which is well inside the body of the Sun. An ...

  4. Gravity (2013 film) - Wikipedia

    en.wikipedia.org/wiki/Gravity_(2013_film)

    Gravity. (2013 film) Gravity is a 2013 science fiction thriller film directed by Alfonso Cuarón, who also co-wrote, co-edited, and produced the film. It stars Sandra Bullock and George Clooney as American astronauts who attempt to return to Earth after the destruction of their Space Shuttle in orbit.

  5. Google Earth's biggest update in years adds free 3D timelapse ...

    www.engadget.com/google-earth-timelapse-3d...

    Today, Google is announcing its biggest update to the service since 2017, saying in a blog post that "you can now see our planet in an entirely new dimension — time." It's bringing 3D timelapse ...

  6. Newton's law of universal gravitation - Wikipedia

    en.wikipedia.org/wiki/Newton's_law_of_universal...

    where is the radius of the Earth's orbit around the Sun. In situations where either dimensionless parameter is large, then general relativity must be used to describe the system. General relativity reduces to Newtonian gravity in the limit of small potential and low velocities, so Newton's law of gravitation is often said to be the low-gravity ...

  7. The Real Reason Why Astronauts Are Weightless in Space!

    www.engadget.com/2017-01-02-the-real-reason-why...

    That's right, they don't fall to Earth but keep falling around it, traveling at a minimum of 28,160 km/h. The Earth is curving away beneath them, as they speed up towards it, so they never succeed ...

  8. Kepler's laws of planetary motion - Wikipedia

    en.wikipedia.org/wiki/Kepler's_laws_of_planetary...

    In astronomy, Kepler's laws of planetary motion, published by Johannes Kepler between 1609 and 1619, describe the orbits of planets around the Sun. The laws modified the heliocentric theory of Nicolaus Copernicus, replacing its circular orbits and epicycles with elliptical trajectories, and explaining how planetary velocities vary.

  9. The scientists used radio telescopes to measure how a neutron star orbits two white dwarf stars in a similar system as how the Earth and moon orbit the sun. By comparing the speed, motion and ...