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... 56 KB (8,294 words) - 01:32, 9 May 2024 |
field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it. The equations were... 34 KB (5,088 words) - 17:20, 27 March 2024 |
Johannes Kepler (/ˈkɛplər/; German: [joˈhanəs ˈkɛplɐ, -nɛs -] ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer... 100 KB (12,450 words) - 22:52, 8 May 2024 |
In mathematics, the Korteweg–De Vries (KdV) equation is a partial differential equation (PDE) which serves as a mathematical model of waves on shallow... 26 KB (3,325 words) - 05:15, 3 May 2024 |
Elliptic orbit (section Equation of motion) astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case... 19 KB (2,715 words) - 22:27, 3 May 2024 |
The Friedmann equations, also known as the Friedmann-Lemaître or FL equations, are a set of equations in physical cosmology that govern the expansion... 23 KB (3,680 words) - 13:35, 29 April 2024 |
gravitational field of two bodies as described by the field equations of general relativity. Solving the Kepler problem is essential to calculate the bending of... 47 KB (6,720 words) - 05:39, 25 April 2024 |
Copernican Revolution (section Johannes Kepler) These observations would prove vital in future astronomical breakthroughs. Kepler found employment as an assistant to Tycho Brahe and, upon Brahe's unexpected... 31 KB (3,768 words) - 15:36, 4 May 2024 |