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11 paź 2024 · Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth. The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Gravity creates stars and planets by pulling together the material from which they are made.
30 lip 2023 · Gravity can be described in a variety of ways. Here's how Newton and Einstein took gravity from an observation to a measurable phenomenon.
13 lip 2004 · ESA / Science & Exploration / Space Science. We understand that gravity is a purely attractive force – it can only pull, never push – and that it is generated by any object with mass. But humankind has been trying to answer this question for thousands of years.
Gravity is most accurately described by the general theory of relativity, proposed by Albert Einstein in 1915, which describes gravity not as a force, but as the curvature of spacetime, caused by the uneven distribution of mass, and causing masses to move along geodesic lines.
2 mar 2016 · It is here that Einstein connected the dots to suggest that gravity is the warping of space and time. Gravity is the curvature of the universe, caused by massive bodies, which determines the path that objects travel.
Gravity is just geometry, the result of the curvature by massive objects of the space and time around them.
In a nutshell: all matter is attracted to all other matter. The more matter there is, and the closer objects are to each other, the bigger that attractive force. And unlike electricity and magnetism, which can either repel or attract, gravity always pulls things together. Read more about gravity:
