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Hace 5 días · Comet 2P/Encke is a periodic comet that takes about 3.3 years to complete one orbit around the Sun. It was first discovered by Pierre Méchain on January 17, 1786, and was later independently rediscovered by Johann Franz Encke on November 2, 1818. The comet is named after Encke, who calculated its orbit and predicted its return in 1822.
Hace 4 días · They were derived by the German astronomer Johannes Kepler, whose analysis of the observations of the 16th-century Danish astronomer Tycho Brahe enabled him to announce his first two laws in the year 1609 and a third law nearly a decade later, in 1618.
- The Editors of Encyclopaedia Britannica
Hace 4 días · List of periodic comets. Periodic comets (also known as short-period comets) are comets with orbital periods of less than 200 years or that have been observed during more than a single perihelion passage [1] (e.g. 153P/Ikeya–Zhang ). "Periodic comet" is also sometimes used to mean any comet with a periodic orbit, even if greater than 200 years.
Hace 21 horas · Moritz Ludwig Wichmann. Signature. Johann Carl Friedrich Gauss (German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] ⓘ; [2] [3] Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science.
Hace 2 días · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Not one, but two comets appeared near the Sun during last week's total solar eclipse . The expected comet was Comet 12P/Pons-Brooks, but it was ...
Hace 4 días · Often, these comets, due to their extreme semimajor axes and eccentricity, will have small orbital interactions with planets and minor planets, most often ending up with the comets fluctuating significantly in their orbital path. These comets probably come from the Oort cloud, a cloud of comets orbiting the Sun from ~10,000 to roughly 50,000 AU.
Hace 4 días · Coronal mass ejection (CME), large eruption of magnetized plasma from the Sun’s outer atmosphere, or corona, that propagates outward into interplanetary space. The CME is one of the main transient features of the Sun. Although it is known to be formed by explosive reconfigurations of solar magnetic.
