[DOC] [TLE] DISCOVERY ::: Small Worlds ::: The Neighborhood - Page 5 [PAR] The nucleus of Halley's Comet, taken by the Giotto probe in 1986. ... to the 
comet's nucleus, showing it to be a dark peanut-shaped body, 9 miles long by 6 
miles wide. ... This image shows the 5-mile long nucleus from over 2,000 miles 
away. [DOC] [TLE] Comets: Facts About The 'Dirty Snowballs' of Space - Space.com [PAR] Nov 15, 2014 ... The head of the comet and the beginning of its long tail are shown. ... The nuclei 
of most comets are thought to measure 10 miles (16 ... every year between 
August 9 and 13 when Earth passes through the orbit of ... Isaac Newton later 
discovered that comets move in elliptical, oval-shaped orbits around the... [DOC] [TLE] Close Encounters of the Comet Kind: A Brief History - Space.com [PAR] Nov 3, 2010 ... NASA's Deep Impact spacecraft will visit Comet Hartley 2 in just the fifth-ever 
close comet rendezvous. ... four missions managed to take up-close photos of 
comet nuclei. ... In 1986, the ESA's Giotto probe zoomed to within about 372 
miles ... Halley is about 9 miles (15 km) long by 5 miles (8 km) wide or so. [DOC] [TLE] Comet nucleus - Wikipedia [PAR] The nucleus is the solid, central part of a comet, popularly termed a dirty snowball 
or an icy ... 5 Albedo; 6 Discovery and exploration; 7 See also; 8 References; 9 
External ... Most cometary nuclei are thought to be no more than about 10 miles (
16 .... coma of comet 67P/Churyumov-Gerasimenko with the Alice far-ultraviolet... [DOC] [TLE] Halley's Comet - Wikipedia [PAR] 0.6 (estimates range from 0.2 to 1.5 g/cm3). Escape velocity. ~0.002 km/s. 
Sidereal rotation period. 2.2 d (52.8 h) (?) Albedo, 0.04. Apparent magnitude. 
28.2 (in 2003). Halley's Comet or Comet Halley, officially designated 1P/Halley, is 
a short-period comet visible ... During its 1986 apparition, Halley's Comet 
became the first comet to be... [DOC] [TLE] Comets facts, information, pictures | Encyclopedia.com articles about ... [PAR] Comet type 9 was named Pu-Hui, meaning "Calamity in the state, many deaths. 
... Until the twentieth century, comets were discovered and observed with the 
naked eye or ... The 1986 studies of Halley's comet revealed the nucleus to be 
peanut or ... 370,000 miles wide (600,000 km) and 31 million miles long (50 
million km),... [DOC] [TLE] Comet - body, water, Earth, life, gas, system, carbon, surface [PAR] A comet consists of a dark, solid nucleus (core) surrounded by a gigantic, ... This 
discovery led him to conclude that comets follow an orbit around the Sun, ... 
Usually appearing every 76 years, the comet passed by Earth in 1835, 1910, and 
1986. ... Two bright jets of dust and gas, each 9 miles (15 kilometers) long, shot 
out of... [DOC] [TLE] Top 10: Comets | New Scientist [PAR] Sep 4, 2006 ... Comet Encke. 7. Tempel-Tuttel. 8. Comet Wild 2. 9. Comet Tempel 1 ... Halley's 
Comet, which is 8 kilometres (5 miles) wide and 16 km (10 miles) long, ... It last 
passed close to Earth in February 1986. ... Its snapshots revealed that the rocky 
nucleus is shaped like a giant 8-kilometre-long bowling pin, and the... [DOC] [TLE] Halley's Comet | astronomy | Britannica.com [PAR] Nov 4, 2015 ... During the comet's return in 1910, Earth passed through Halley's dust tail, ... It 
reached perihelion at 0.587 AU (88 million km [55 million miles]) from the Sun on 
February 9, 1986, and ... object with dimensions of about 15  8 km (9  5 miles). 
... About 70 percent of the nucleus surface was covered by

Question: In 1986 it was discovered that this comet's nucleus was about 9 miles long & about 5 miles across
Answer: Halley\'s Comet