[DOC] [TLE] Halley's Comet - Wikipedia [PAR] Halley's Comet or Comet Halley, officially designated 1P/Halley, is a short-period 
comet visible .... Halley has probably been in its current orbit for 16,000200,000 
years, although it is not .... for every apparition of Halley's Comet from 240 BC, the 
earliest documented widespread sighting. ... 1P/239 K1, 239, 25 May 240 BC. [DOC] [TLE] The history of Comet Halley - SAO/NASA Astrophysics Data System [PAR] Since 240 B.C., Chinese observers have documented a nearly unbroken record 
of ... After the probable 240 B.C. apparition, only the 164 B.C. return went .... from 
the observations or by stepping back in time at roughly 76-year intervals and ... 
1908a-e) carried the motion of the comet back to 239 B.C. At this stage, their... [DOC] [TLE] section vii comet p/halley and future missions to comets [PAR] long term integrations suggest that the comet has been in its present orbit for at 
least 16,000 ... B.C. apparition, only the 164 B.C. return went unrecorded by the 
Chinese and with the ... the effect on all the orbital elements from the 
perturbations of the ... observations or by stepping back in time at roughly 76 year 
intervals and. [DOC] [TLE] 1000+ ideas about Halley's Comet on Pinterest | Astronomy, NASA ... [PAR] Each time it was .... Halley, who was the first person to correctly identify the comet 
and predict its return. The comet had been documented for thousands of years, 
however. In fact, the first known observation of the comet occurred in 239 BC. ...... 
Rare Georgian Halleys Comet Pin - paste set into a closed-back silver mount. [DOC] [TLE] Publication 116 - Department of Taxation and Finance - New York ... [PAR] Nov 15, 2015 ... Error codes - rejected corporation tax returns filed for Tax Year 2015 . .... EROs to 
apply for our program, or to provide copies of their IRS acceptance ... CT-3-A/BC 
.... Form TR-800-CT has been obsoleted since tax year 2010 and .... Furnish the 
taxpayer with documentation of all e-filed forms and schedules. [DOC] [TLE] StarTalk - Timeline | Facebook [PAR] Science meets pop culture on StarTalk! Astrophysicist and Hayden Planetarium 
director Neil ... The comet had been documented for thousands of years, however
. In fact, the first known observation of the comet occurred in 239 BC. ... Kevin J 
Dunne I was very privileged to have seen Hale bopp back in 1997, the only way I'
ll... [DOC] [TLE] SIDS and Other Sleep-Related Infant Deaths: Updated 2016 ... [PAR] The recommendations and strength of evidence for each recommendation ... 
back) for every sleep by every caregiver until the child reaches 1 year of age. .... 
be returned to their own crib or bassinet when the parent is ready to return to 
sleep., .... The use of cardiorespiratory monitors has not been documented to 
decrease... [DOC] [TLE] Spinal Cord - Setting the stage for functional repair of spinal cord ... [PAR] Jan 25, 2005 ... The players and their roles in limiting spinal cord repair continue to be elucidated
, ... How significantly each component of secondary injury contributes to loss of ... 
The loss of neurons and glia at the site of SCI is well-documented. ... It has been 
observed that the direct CNS application of neurotrophic factors... [DOC] [TLE] Cross-Canada Survey of Radon Concentrations in Homes - Final ... [PAR] Sep 7, 2012 ... Health Canada analysis of data from the first year of a two-year ... three in 
Saskatchewan, and one each in Quebec and British Columbia. ... Prolonged 
exposure to high levels of radon has been associated with .... their home, and 
mail the detector and completed questionnaire back to the NRL for analysis. [DOC] [TLE] zgen, Lydian Treasure - The Archaeological Exploration of Sardis [PAR] The artistic and textual sources demonstrate that the 200-year Persian ... After 
their return to their homeland, the objects were put on display in ... All these 
tumuli are located in the region of ancient Lydia, homeland of the Lydians .... has 
been recovered at Sardis in occupation contexts of the sixth century BC. ..... 1996

Question: Its return about every 76 years has been documented back to 239 B.C.
Answer: Halley\'s Comet