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  • BEST IN BOULDER

Challenger Disaster Live on CNN

Jan 27th

Posted by Channel 1 Networks in News

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from Delto force 500tm
January 28th, 1986 at 11:39am EDT – The Space Shuttle Challenger Explodes on its 10th flight during mission STS-51-L. The explosion occurred 73 seconds after liftoff and was actually the result of rapid deceleration and not combustion of fuel.

CNN was the only national news station to broadcast the mission live, so thus what you are witnessing on this video is the only coverage of the disaster as it happened when it did. Approximately 17% of Americans witnessed the launch live, while 85% of Americans heard of the news within 1 hour of the event. According to a study, only 2 other times in history up to that point had news of an event disseminated so fast – the first being the announcement of JFK’s assassination in 1963, the second being news spread among students at Kent State regarding the news of FDR’s death in 1945. It has been estimated at the time that nearly 48% of 9-13 year olds witnessed the event in their classrooms, as McAuliffe was in the spotlight.

The 25th Space Shuttle mission altered the history of manned space exploration and represented the first loss of an American crew during a space mission (Apollo 1 was during a training exercise).

Christa McAuliffe was slated to be the first teacher in space for the Teacher in Space Program. As her maximum altitude was ~65,000ft (12.31 miles), she never made it to space. That title was given to Barbara Morgan of STS-118 aboard the shuttle Endeavour in August 2007, 22 and a half years after the Challenger Disaster. Morgan served as McAuliffe’s backup during STS-51-L. As Morgan is now part of the Educator in Space Program, she will be credited as the first “educator” in space, to distinguish her from McAuliffe.

Aboard Challenger during STS-51-L:

Francis “Dick” Scobee (Commander)

Michael Smith (Pilot)

Judith Resnik (Mission Specialist)

Ellison Onizuka (Mission Specialist)

Ronald McNair (Mission Specialist)

Gregory Jarvis (Payload Specialist)

Sharon Christa McAuliffe (Payload Specialist – Teacher in Space)
from CU

Boulder CU loses one of its own on Space Shuttle Challenger

from cu in space ELLISON S. ONIZUKA (COLONEL, USAF)
NASA ASTRONAUT (DECEASED)[Ellison Onizuka portrait]

PERSONAL DATA: Born June 24, 1946, in Kealakekua, Kona, Hawaii. Died January 28, 1986. He is survived by his wife, Lorna, and two daughters. He enjoyed running, hunting, fishing, and indoor/outdoor sports.

EDUCATION: Graduated from Konawaena High School, Kealakekua, Hawaii, in 1964; received bachelor and master of science degrees in Aerospace Engineering in June and December 1969, respectively, from the University of Colorado.

ORGANIZATIONS: Member of the Society of Flight Test Engineers, the Air Force Association, the American Institute of Aeronautics and Astronautics, Tau Beta Pi, Sigma Tau, and the Triangle Fraternity.

AWARDS / PROMOTIONS: Posthumously promoted to the rank of Colonel. Posthumously awarded the Congressional Space Medal of Honor.

SPECIAL HONORS: Presented the Air Force Commendation Medal, Air Force Meritorious Service Medal, Air Force Outstanding Unit Award, Air Force Organizational Excellence Award, and National Defense Service Medal.

EXPERIENCE: Onizuka entered on active duty with the United States Air Force in January 1970 after receiving his commission at the University of Colorado through the 4-year ROTC program as a distinguished military graduate. As an aerospace flight test engineer with the Sacramento Air Logistics Center at McClellan Air Force Base, California, he participated in flight test programs and systems safety engineering for the F-84, F-100, F-105, F-111, EC-121T, T-33, T-39, T-28, and A-1 aircraft. He attended the USAF Test Pilot School from August 1974 to July 1975, receiving formal academic and flying instruction in performance, stability and control, and systems flight testing of aircraft. In July 1975, he was assigned to the Air Force Flight Test Center at Edwards Air Force Base, California, serving on the USAF Test Pilot School staff initially as squadron flight test engineer and later as chief of the engineering support section in the training resources branch. His duties involved instruction of USAF Test Pilot School curriculum courses and management of all flight test modifications to general support fleet aircraft (A-7, A-37, T-38, F-4, T-33, and NKC-135) used by the test pilot school and the flight test center. He has logged more than 1,700 hours flying time.

NASA EXPERIENCE: Selected as an astronaut candidate by NASA in January 1978, he completed a 1-year training and evaluation period in August 1979. He subsequently worked on orbiter test and checkout teams and launch support crews at the Kennedy Space Center for STS-1 and STS-2. He worked on software test and checkout crew at the Shuttle Avionics and Integration Laboratory (SAIL), and has supported numerous other technical assignments ranging from astronaut crew equipment/orbiter crew compartment coordinator to systems and payload development.

He first flew as a mission specialist on STS 51-C, the first Space Shuttle Department of Defense mission, which launched from Kennedy Space Center, Florida on January 24, 1985. He was accompanied by Captain Thomas K. Mattingly (spacecraft commander), Colonel Loren J. Shriver (pilot), fellow mission specialist, Colonel James F. Buchli, and Lieutenant Colonel Gary E. Payton (DOD payload specialist). During the mission Onizuka was responsible for the primary payload activities, which included the deployment of a modified Inertial Upper Stage (IUS). STS 51-C Discovery completed 48 orbits of the Earth before landing at Kennedy Space Center, Florida, on January 27, 1985. With the completion of this flight he logged a total of 74 hours in space.

Colonel Onizuka was a mission specialist on STS 51-L which was launched from the Kennedy Space Center, Florida, at 11:38:00 EST on January 28, 1986. The crew on board the Orbiter Challenger included the spacecraft commander, Mr. F.R. Scobee, the pilot, Commander M.J. Smith (USN), fellow mission specialists, Dr. R.E. McNair, and Dr. J.A. Resnik, as well as two civilian payload specialists, Mr. G.B. Jarvis and Mrs. S. C. McAuliffe. The STS 51-L crew died on January 28, 1986 when Challenger exploded 1 min. 13 sec. after launch.

JANUARY 2007

Fourmile Canyon Fire meeting with state insurance representatives set for Feb. 2 at 6:30 p.m.

Jan 27th

Posted by Channel 1 Networks in Business

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Boulder County, Colo – In its continuing efforts to help homeowners who lost a home or structure in the Fourmile Canyon fire navigate through the insurance claim process, Boulder County has set up a meeting for fire survivors with Colorado Interim Insurance Commissioner John J. Postolowski on Wednesday, Feb. 2 at 6:30 p.m. in Boulder.

The meeting will include time for impacted residents to share their experiences working with their insurance providers and to allow the state insurance commissioner and staff to address those issues and outline assistance available from the state.

Who should attend: Fourmile Canyon Fire survivors

Who will present: State of Colorado Interim Insurance Commissioner John Postolowski and staff from the state Division of Insurance

When: 6:30 p.m., Wednesday, Feb. 2

Where: Boulder County Courthouse, Commissioners’ Hearing Room, 3rd floor, 1325 Pearl St., Boulder
Tentative Agenda:
• Fire survivors will be invited to share their experiences with their insurance providers in order for the commissioner and staff to better understand the challenges people are facing
• Division of Insurance staff will explain how they can be of service and answer questions
• At the end, there will be time for people to speak with the Division of Insurance staff about their individual situations

State Representative Claire Levy of Boulder has been instrumental in getting this meeting scheduled and will also be attending along with other state and federal legislators or their staff representatives.

For more information about Boulder County’s recovery efforts working with residents of the Fourmile Canyon Fire area, visit www.bouldercounty.org/fourmilefire or contact Garry Sanfacon at 720-564-2642 or gsanfacon@bouldercounty.org.

–

WARMING NORTH ATLANTIC WATER TIED TO HEATING ARCTIC, ACCORDING TO NEW STUDY

Jan 27th

Posted by Channel 1 Networks in Environmental News

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The temperatures of North Atlantic Ocean water flowing north into the Arctic Ocean adjacent to Greenland — the warmest water in at least 2,000 years — are likely related to the amplification of global warming in the Arctic, says a new international study involving the University of Colorado Boulder.

Led by Robert Spielhagen of the Academy of Sciences, Humanities and Literature in Mainz, Germany, the study showed that water from the Fram Strait that runs between Greenland and Svalbard — an archipelago constituting the northernmost part of Norway — has warmed roughly 3.5 degrees Fahrenheit in the past century. The Fram Strait water temperatures today are about 2.5 degrees F warmer than during the Medieval Warm Period, which heated the North Atlantic from roughly 900 to 1300 and affected the climate in Northern Europe and northern North America.

The team believes that the rapid warming of the Arctic and recent decrease in Arctic sea ice extent are tied to the enhanced heat transfer from the North Atlantic Ocean, said Spielhagen. According to CU-Boulder’s National Snow and Ice Data Center, the total loss of Arctic sea ice extent from 1979 to 2009 was an area larger than the state of Alaska, and some scientists there believe the Arctic will become ice-free during the summers within the next several decades.
“Such a warming of the Atlantic water in the Fram Strait is significantly different from all climate variations in the last 2,000 years,” said Spielhagen, also of the Leibniz Institute of Marine Sciences in Keil, Germany.
According to study co-author Thomas Marchitto, a fellow at CU-Boulder’s Institute of Arctic and Alpine Research, the new observations are crucial for putting the current warming trend of the North Atlantic in the proper context.

“We know that the Arctic is the most sensitive region on the Earth when it comes to warming, but there has been some question about how unusual the current Arctic warming is compared to the natural variability of the last thousand years,” said Marchitto, also an associate professor in CU-Boulder’s geological sciences department. “We found that modern Fram Strait water temperatures are well outside the natural bounds.”

A paper on the study will be published in the Jan. 28 issue of Science. The study was supported by the German Research Foundation; the Academy of Sciences, Humanities and Literature in Mainz, Germany; and the Norwegian Research Council.

Other study co-authors included Kirstin Werner and Evguenia Kandiano of the Leibniz Institute of Marine Sciences, Steffen Sorensen, Katarzyna Zamelczyk, Katrine Husum and Morten Hald from the University of Tromso in Norway and Gereon Budeus of the Alfred Wegener Institute of Polar and Marine Research in Bremerhaven, Germany.

Since continuous meteorological and oceanographic data for the Fram Strait reach back only 150 years, the team drilled ocean sediment cores dating back 2,000 years to determine past water temperatures. The researchers used microscopic, shelled protozoan organisms called foraminifera — which prefer specific water temperatures at depths of roughly 150 to 650 feet — as tiny thermometers.

In addition, the team used a second, independent method that involved analyzing the chemical composition of the foraminifera shells to reconstruct past water temperatures in the Fram Strait, said Marchitto.

The Fram Strait branch of the North Atlantic Current is the major carrier of oceanic heat to the Arctic Ocean. In the eastern part of the strait, relatively warm and salty water enters the Arctic. Fed by the Gulf Stream Current, the North Atlantic Current provides ice-free conditions adjacent to Svalbard even in winter, said Marchitto.

“Cold seawater is critical for the formation of sea ice, which helps to cool the planet by reflecting sunlight back to space,” said Marchitto. “Sea ice also allows Arctic air temperatures to be very cold by forming an insulating blanket over the ocean. Warmer waters could lead to major sea ice loss and drastic changes for the Arctic.”

The rate of Arctic sea ice decline appears to be accelerating due to positive feedbacks between the ice, the Arctic Ocean and the atmosphere, Marchitto said. As Arctic temperatures rise, summer ice cover declines, more solar heat is absorbed by the ocean and additional ice melts. Warmer water may delay freezing in the fall, leading to thinner ice cover in winter and spring, making the sea ice more vulnerable to melting during the next summer.

Air temperatures in Greenland have risen roughly 7 degrees F in the past several decades, thought to be due primarily to an increase in Earth’s greenhouse gases, according to CU-Boulder scientists.

“We must assume that the accelerated decrease of the Arctic sea ice cover and the warming of the ocean and atmosphere of the Arctic measured in recent decades are in part related to an increased heat transfer from the Atlantic,” said Spielhagen.

Source: CU Media Release

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