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6 giorni fa · Learn about the universal force of attraction acting between all matter, its history, and its applications. Explore the concepts of Newton's and Einstein's theories of gravitation, and their implications for the cosmos.
19 giu 2024 · Partiamo dalla definizione e analizziamola nel dettaglio. La forza di gravità, detta anche forza peso, è la forza attrattiva esercitata dalla Terra su un qualsiasi corpo attorno ad esso, con direzione perpendicolare alla propria superficie e passante per il proprio centro.
2 giorni fa · General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.
27 giu 2024 · Observations of a collection or array of pulsars — called a pulsar timing array (PTA) — should be able to detect changes induced by gravitational waves with frequencies of just nanohertz, as ...
- Davide Castelvecchi
9 lug 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.
21 giu 2024 · Gravitational constant, physical constant denoted by G and used in calculating the gravitational attraction between two objects, which is equal to G times the product of the masses of the two objects divided by the square of the distance between them. The value of G is 6.6743 x 10^-11 m^3 kg^-1 s^-2.
3 giorni fa · Gravity is a mutual corporeal disposition among kindred bodies to unite or join together; thus the earth attracts a stone much more than the stone seeks the earth. (The magnetic faculty is another example of this sort)....
