What space object is named for the astronomer Edmond Halley?

Answer 1

For some octagenarians, the comet is a twice-in-a-lifetime opportunity, My late father was born in 1904 and saw the 1910 comet as a six year old and he willed himself to live long enough to see it again in 1986, as an 82 year old, and died a happy man, 2 years later.

There are three possible answers: the comet, the Halley crater on the Moon and the Halley crater on Mars,

Information on the comet is plentiful. Information on the Mars crater is scant.

There was also the Halley Armada, sent out to investigate the comet in 1986. If you count objects we have put in space as space objects. If you do, that is a further six objects, though only the Aramada is named after Halley, not the individual probes. So maybe that is a total of 4 not 9,

HALLEY RESEARCH STATION

There is also a Halley Research Station, located at 75°35′S 26°34′W, on the Brunt Ice Shelf floating on the Weddell Sea in Antarctica which is a British research facility dedicated to the study of the Earth's atmosphere.

Measurements from Halley led to the discovery of the ozone hole in 1985.

Presumably the Antarctic station is named after Halley because he spent 1676-78 at St Helena, studying and cataloguing the stars in the Southern Hemisphere to complement Flamsteed's work in the Northern Hemisphere. *(In 1679 Halley published Catalogus Stellarum Australium which included details of 341 southern stars.

THE HALLEY CRATER ON THE MOON

Wikipedia states that ...

The crater has a diameter 36 kilometres and a
depth of 2.5 kilometres.

Halley is a lunar impact crater that is intruding into the southern wall of the Hipparchus walled-plain. To the southwest of Halley is the large Albategnius crater, and due east lies the slightly smaller Hind crater.

The rim of Halley crater is somewhat worn, and a scar in the lunar surface passes through the western rim, forming a valley that runs to the south-southeast, near the rim of Albetagnius. The interior floor of Halley is relatively flat.

THE HALLEY ARMADA

The Halley Armada is a group of six space probes sent to examine Comet Halley during its 1986 sojourn through the inner solar system. The armada consisted of one probe from the European Space Agency, two probes that were joint projects between the Soviet Union and France, two probes from the Institute of Space and Astronautical Science of Japan, and a probe from the United States' National Aeronautics and Space Administration.

Probes involved (in order of closest approach):

Giotto, the first space probe to get close-up color images of the nucleus of a comet. (ESA)

Vega 1, which dropped a balloon probe and lander on Venus before going on to Comet Halley. (USSR/France Intercosmos)

Vega 2, which dropped a balloon probe and lander on Venus before going on to Comet Halley. (USSR/France Intercosmos)

Suisei, also known as PLANET-A. (ISAS)

Sakigake, Japan's first probe to leave the Earth system, mainly a test of interplanetary mission technology. (ISAS)

International Cometary Explorer, originally ISEE-3, was rechristened with a new mission to explore comets. (NASA)

HALLEY'S COMET

I suppose, finally, I should say a few things about the comet.

Halley's Comet was the first to be recognized as periodic. Having perceived, from a study he undertook of comets, that the observed characteristics of the comet of 1682 were nearly the same as those of two comets which had appeared in 1531 (observed by Petrus Apianus) and 1607 (observed by Johannes Kepler in Prague), Halley concluded that all three comets were in fact the same object returning every 75–76 years.

After a rough estimate of the perturbations the comet would sustain from the attraction of the planets, he predicted its return for 1757. Halley's prediction of the comet's return proved to be correct, although it was not seen until 25 December 1758 by Johann Georg Palitzsch, a German farmer and amateur astronomer, and did not pass through its perihelion until March 1759; the attraction of Jupiter and Saturn having caused a retardation of 618 days.

Halley did not live to see the comet's return, having died in 1742.

Halley's calculations enabled the comet's earlier appearances to be found in the historical record. Its many appearances over the centuries have had a notable effect on human history, despite the fact that they were not recognized as the same object until the 17th century.

Its 12 BC appearance is understood to be the basis of the Star of Bethehem, The artist Giotto di Bondone could have observed the comet in 1301 and his depiction of the Star of Bethlehem in the Nativity in the Arena Chapel cycle completed in 1305 is a candidate for an early depiction.

Its 1066 visit was regarded as portentous as King Harold was killed by the invading Normans at the Battle of Hastings, It is shown on the Bayeux Tapestry, and the accounts which have been preserved represent it as having then appeared to be four times the size of Venus, and to have shone with a light equal to a quarter of that of the Moon. This appearance of the comet is also noted in the Anglo-Saxon Chronicle.

1456: The comet passed very close to the Earth; its tail extended over 60° of the heavens and took the form of a sabre. According to one story, Pope Callixtus III excommunicated the 1456 apparition of the comet, believing it to be an ill omen for the Christian defenders of Belgrade, who were at that time being besieged by the armies of the Ottoman Empire.

The most recent appearances have been in 1835, 1910, and 1986. Halley will next return in 2061.

Comet Halley is the parent body of several meteor showers - associated with the orbit of the comet inbound, and outbound. The showers are the Eta Aquarids in early May, the Orionids in late October

Answer 2

Halleys Comet

Answer 3

The Halley's comet is named after the astronomer Edmond Halley
The Comet's tail can be seen from Earth only once in every 75.6 years

Answer 4

The Edmond Halley Space Object.
I saw Halleys Comet once, back in 86. It looked about the size of my thumbnail held at arms length. When I looked again it had disappeared. After all that waiting, I gotta tell you I felt ripped off. I'm certainly not waiting around for next time.

Answer 5

Halley's Comet.

Answer 6

Halley's Comet.

Answer 7

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Answer 8

Halley's comet....and I was fortunate to have that once in a lifetime opportunity.

Answer 9

What is a Comet ............Alex,