After looking at the orbits of almost 300 long-period comets, they have concluded that too many are coming from particular parts of the sky.
Long-period comets can arrive from any direction in space and are believed to originate in the Oort cloud (a reservoir of comets encircling the sun, the existence of which was worked out at the same time as the Kuiper belt by Jan Oort, a Dutch astronomer).
Mr. O'CONNOR: The ICP technology involves drilling holes--vertical holes into the ground and inserting long electric heaters, which then gradually heat the rock over a long period of time, and over a long period of time--by that, I mean two or three or more years.
NPR: Industry Seeks to Extract Oil from Rocky Mountain Shale
On Thursday, US Secretary of State Colin Powell and Israeli Prime Minister Ariel Sharon agreed that a week-long test period was needed to see if the Palestinians were ready to comply with the US-brokered ceasefire.
The spot month period is specific to each commodity contract, need not correspond to a month-long period, and may extend through the period when delivery obligations are incurred.
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The potential of a long debt-deflation period resembles Japan, but with a crucial difference.
Lancashire have loaned out seamer Oliver Newby to Gloucestershire for a month-long period from 28 July.
Or are we about to enter a long Japanese-style period of economic stagnation?
Consider that we are currently about 10, 000 years into a typical 12, 000 to 18, 000 year-long interglacial period.
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Most often cited is FDR's victory over Hoover in 1932, which started a decades-long period of Democratic dominance.
This brought to four the number of infant deaths over a month-long period.
Seagate and Western Digital are the only two decent size drive makers left after a decades-long period of consolidation.
Prices rose in all of the New York metals during the week-long period covered by the most recent CFTC report.
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Prices skidded in all of the New York metals during the week-long period covered by the most recent CFTC report.
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Gerber will also hold a shareholder vote, followed by a several-months-long waiting period so that investors can redeem before the gate slams shut.
There will be volunteer needs for many months, often years, after the disaster - especially when the community enters the long-term recovery period.
Karlberg set up a one-way mirror in a storefront over a year-long period, taking pictures of strangers as they looked at themselves in the mirror.
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Today a number of experts have recognized that we are living in the midst of a century-plus-long period of irrational exuberance I like to call it the Carbon Bubble.
This form has three types of situations (Parts A, B and C) for each short-term and long-term holding period (12 months) potentially six different Form 8949s to deal with.
She quickly found out that she couldn't get health insurance that would cover her type 1 diabetes, at least without a six-month or year-long waiting period, because it is considered a preexisting condition.
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Because of the long follow-up period of the study, in which participants who were dementia-free developed the condition many years later, this is a less likely explanation, but was not ruled out in the research, Saczynski said.
According to The Hollywood Reporter, it was also the first time in at least a decade that a show other than either the Tonight Show or the Late Show has dominated the demo for a month-long period.
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In cases where the body is expected to remain embalmed for a long period -- rather than for a few weeks or months, as can happen if a funeral is delayed -- the concentration of formaldehyde will be increased.
The first three parameters we look to are rising revenues over the most recent three-year period, rising earnings over the recent three-year period and a relatively low or controlled long-term debt to equity.
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If seasonality is to continue, investors need to be aware that with July ending this week, the next pattern is that we are entering the three-month period of August, September, and October, which over the long-term tends to be the weakest period of the year.
Because very low fertility can become self-reinforcing, with children of one-child families wanting only one child themselves, China now probably faces a long period of ultra-low fertility, regardless of what happens to its one-child policy.
The 72-year-old archbishop - recently recovered after a long period of sick leave following a deep-vein thrombosis last winter - had said he was keen to resume his duties.
Are you looking now at a long, drawn-out period of negotiating a scaled-down package?
That is a relatively optimistic prediction, for it would merely return the bankruptcy rate close to its long-term average after an abnormally trouble-free period, and it assumes only a mild recession in America.
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