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The comet passed about 0.335 AU (50.1 million km; 31.1 million mi) from the Earth on 5 May 1861 and last came to perihelion (closest approach to the Sun) on 3 June 1861. [3] C/1861 G1 is listed as a long-period "non-periodic comet" because it has not yet been observed at two perihelion passages.
1861 in science; 1862 in science; ... Comet Swift–Tuttle; T. C/1861 G1 (Thatcher) V. The Variation of Animals and Plants Under Domestication
The Great Comet of 1861, formally designated C/1861 J1 and 1861 II, is a long-period comet that was visible to the naked eye for approximately 3 months. [6] It was categorized as a great comet —one of the eight greatest comets of the 19th century.
This category contains near-Earth comets.In general, numbered objects in this category should be sorted using a sortkey based on their numerical prefix (0-padded-three-digits plus single letter, see order in List of numbered comets), for example:
The comet was discovered on May 1, 1846, by Theodor Brorsen. He described it as a large round nebulosity without tail. An independent discovery was done later the same day by Moritz Ludwig George Wichmann. The comet upon discovery was near the border of the constellations Pegasus and Vulpecula. The comet approached Earth at a distance of 0.302 ...
On History Channel's hit show "Pawn Stars," a man came in to sell a 1907 Saint-Gaudens double eagle $20 gold coin. The coins are extremely rare, and some of them have sold for more than $1 million ...
Comet Donati–Toussaint, formally designated as C/1864 O1, is a non-periodic comet co-discovered by Italian astronomers, Giovanni Battista Donati and Carlo Toussaint in July 1864. Discovery and observations
The comet approached Earth at a distance of 0.096 astronomical units (14,400,000 km; 8,900,000 mi) on 8 August 1864 and was at a solar elongation of 12°. [2] After the closest approach the comet appeared in the evening sky. The comet was recovered by Schmidt on 9 August and the next day he estimated its magnitude to be 2–3.