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2015-12-17T00:00:00.000Z

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Wrong Karl Stapelfeldt?

Dr. Karl Stapelfeldt

(Assistant,Stellar,Galactic,Extragalactic)

National Aeronautics and Space Administration (NASA)

Direct Phone: (301) ***-****       

Email: k***@***.gov

National Aeronautics and Space Administration (NASA)

21000 Brookpark Rd.

Cleveland, Ohio 44135

United States

Company Description

The NASA Innovative Lunar Demonstrations Data (ILDD) contracts provide for issuance of delivery orders that will specify data associated with system testing and integration, launch, in-space maneuvers, braking burns, lunar landing and other enhanced capab... more

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Background Information

Employment History

Member, Jet Propulsion Laboratory
National Aeronautics and Space Administration (NASA)

Chief of the Exoplanets and Stellar Astrophysics Laboratory At Goddard Space Flight Center
NASA

Member, Jet Propulsion Laboratory
NASA

Astronomer, Jet Propulsion Laboratory
NASA


Jet Propulsion Laboratory

Education

Ph.D.
astronomy
California Institute of Technology

Web References (47 Total References)


"For a planet in a binary ...

www.sushituesday.com [cached]

"For a planet in a binary system, location is everything," said co-author Karl Stapelfeldt of NASA's Jet Propulsion Laboratory in Pasadena, Calif.


Another group, led by Karl ...

gulfnews.com [cached]

Another group, led by Karl Stapelfeldt of NASA's Goddard Space Flight Center, is studying a method known as a coronagraph, in which the occulting disk is inside the telescope.


"Upcoming new facilities such as ...

www.knowledgeorb.com [cached]

"Upcoming new facilities such as NASA's James Webb Space Telescope should be able to find the planets," said paper co-author Karl Stapelfeldt, chief of the Exoplanets and Stellar Astrophysics Laboratory at NASA's Goddard Space Flight Center in Greenbelt, Md.


ufo - UFOS at close sight: the discovery of extrasolar planets

www.ufologie.net [cached]

"For a planet in a binary system, location is everything," said co-author Karl Stapelfeldt of NASA's Jet Propulsion Laboratory in Pasadena, Calif.


"It's not often you get a ...

home.discover.com [cached]

"It's not often you get a chance to catch stars in the act," says Karl Stapelfeldt, an astronomer at NASA's Jet Propulsion Laboratory and a member of the team.

The ongoing study has already yielded an intimate look at how stars grow up.Images taken over a five-year period show that, like small children, the stars' appearance changed radically in a matter of months.In a time-lapse movie available at the Space Telescope Science Institute's Web site, a bubble of gas nearly 60 billion miles in length escapes from XZ Tauri.
...
"We don't really know what this is," says Stapelfeldt, who hopes that another observation of the star this winter will help clear up that mystery.
The second star, HH 30, appears as two flat discs, with jets of gas erupting from it at up to 600,000 miles per hour.The discs are clouds of dust that block light coming directly from the star but are brightened by its reflection."If you look closely at the discs and ignore the jets, you can see light shifting within them," Stapelfeldt says.The star and the inner part of the discs appear to be illuminating the outer part of the discs "like a lighthouse illuminates a cloud with its beam.The beam rotates, and the clouds seem to brighten and then fade."This lighthouse effect seems to be rotating between once every few days and once a year.No one has ever observed this phenomenon before, and the team hopes to clarify what's happening with more Hubble time.
Although this may look like a tempestuous nursery, colossal gas bubbles and jets are just normal celestial growing pains for infant stars.

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