halley's comet

     

Halley's Comet, officially esignated 1P/Halley and also referred to as Comet Halley after Edmond Halley, is a comet that can be seen every 75–76 years. It is the most famous of all periodic comets. Although in every century many long-period comets appear brighter and more spectacular, Halley is the only short-period comet that is clearly visible to the naked eye, and thus, the only naked-eye comet certain to return within a human lifetime. Halley's Comet last appeared in the inner Solar System in 1986, and will next appear in mid 2061.

Trivia about halley's comet

  • In 1910 it could be seen with the naked eye; in 1911 a telescope was necessary; by 1912 it was gone
  • The next time we'll be able to see this famous object from Earth is in 2134; reserve your seats now
  • In 1986 Giotto, a craft launched by the European Space Agency, got within 335 miles of this comet's nucleus
  • Big events in 1835: Mr. & Mrs. Clemens had a bouncing baby boy, Samuel, & this comet circled by
  • In 1986 it was discovered that this comet's nucleus was about 9 miles long & about 5 miles across
  • In March 1986 5 spacecraft made fly-bys of this comet
  • The Bayeux Tapestry depicted an early sighting of a comet later given this name
  • The Earth probably passed through its tail during its 1910 visit
  • In 1066, 1758 & 1985 this celestial traveler appeared in our skies
  • On March 6, 1986 Vega 1 became the first spacecraft to rendezvous with this comet
  • On April 10, 1986 it was 38,785,700 miles from Earth: close enough to be visible through binoculars
  • Its return about every 76 years has been documented back to 239 B.C.
  • When astronomers got a close-up look at this object in 1985-86, its nucleus looked like a big potato
  • (Alex gives the clue from the Mark Twain house in Hartford.) Twain was fond of saying, "I came in with" this celestial object in 1835, "and I expect to go out with it"; and in 1910 he did, passing away in this very bed
  • The Earth is believed to have passed through the tail of this in 1910
  • In 1986 it was discovered that this famous comet was about 80% ice & 15% frozen carbon dioxide
  • The last time this came close to Earth was in 1986 & it's expected again as it completes its 76-year cycle
  • In 1984 the Soviet Union launched the Vega I & Vega II probes to study this object seen here
  • Around 240 B.C. Chinese astronomers observed this, later named for a British astronomer
  • On May 19, 1910 a headline read, this "brushes earth with its tail"
  • The 1986 Giotto probe of this was named for the artist who may have painted its 1301 appearance
  • As he predicted he would, Twain died in 1910, a year in which this appeared, just as it did in 1835 when he was born
  • In 1986 the spacecraft Giotto revealed that this comet had a potato-shaped nucleus that was blacker than coal
  • (Sarah of the Clue Crew delivers the clue from the Bayeux Cathedral in France.) "Istimirant Stella", meaning "these men wonder at the star", refers to this, visible in England in April 1066 & regarded as an ill omen
  • In 87 B.C. the Chinese recorded an astronomical phenomenon that scientists think was this, also seen in 1607 A.D.
  • In 1986 5 spacecraft rendezvoused with this object, Giotto came within 400 miles of its nucleus
  • It was last seen in the skies in 1986 & won't return until 2061
  • If you stay up really, really, late (like till 2061), you'll see this, named for the guy who identified it in 1705
  • It was clocked at more than 80,000 mph making an earthly pass at us in April 1986 (Sorry, but we're not that easy!)

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