modelled from the comet's present-day orbital data. Ancient Chinese records of comet observations are the most extensive historical records in existence. They...

837 owing to a close approach to Earth in that year. It was necessary to use ancient Chinese comet observations to constrain their calculations. Halley's...

attributed to Chinese observations of a guest star in AD 1054 (see SN 1054) is missing from the European records. Historical comet observations in China – Overview...

the observations, but a retrograde orbit is inferred based on available notes. The comet approached Earth both inbound in mid-May and outbound in early...

Zodiacal light, comets, and meteors (cf. Historical comet observations in China). Early astronomers were interested in understanding these phenomena. Zodiacal...

Comets have been observed by humanity for thousands of years, but only in the past few centuries have they been studied as astronomical phenomena. Before...

sungrazers are comets observed in 582 AD in China and Europe, X/1381 V1 which was seen from Japan, Korea, Russia and Egypt, two comets seen in 1668 and 1695...

comet to be observed with telescopes (along with two smaller ones in the same year). While leading scientists at the time made precise observations,...

prognostications, Roeslin had picked out just the two comets, the Great Comet of 1556 and 1580. Roeslin responded in 1609 that this was indeed what he had done....

a periodic comet with an orbital period of 71 years. Comets with an orbital period of 20–200 years are referred to as Halley-type comets. It is one of...