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Wrong Catharine Conley?

Catharine Cassie Conley

Planetary Protection Officer

National Aeronautics and Space Administration (NASA)

HQ Phone:  (281) 483-0000

Direct Phone: (202) ***-****direct phone

Email: c***@***.gov

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I agree to the Terms of Service and Privacy Policy. I understand that I will receive a subscription to ZoomInfo Community Edition at no charge in exchange for downloading and installing the ZoomInfo Contact Contributor utility which, among other features, involves sharing my business contacts as well as headers and signature blocks from emails that I receive.

National Aeronautics and Space Administration (NASA)

2101 NASA Pkwy

Houston, Texas,77058

United States

Company Description

Established in 1959, the National Aeronautics and Space Administration (NASA) is the US government agency responsible for the civilian space program as well as aeronautics and aerospace research. Since that time, most U.S. space exploration efforts have been l... more

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Background Information

Employment History

Program Scientist for the Small Payloads Program

Astrobiology Teachers Academy


Researcher

AME-INC Inc


Affiliations

DC Concert Orchestra

Member


Education

doctorate

plant biology

Cornell University


Web References(155 Total References)


OrionsQuest.org - Space Based Research for Today's Youth

www.orionsquest.org [cached]

This high-flying education effort by Orion's Quest (OQ) features a science investigation that supports of the research of NASA scientist Dr. Catharine Conley and genetic researcher, Dr. Nate Szewczyk.
Based on Dr. Conley's research the study provided video, still images and data that were downlinked to Earth from the International Space Station and placed on the OQ website. Using these photographic records participating students observe and analyze C. elegans living in liquid media. The study is designed to provide scientists with data related to the effectiveness of the media and the effects of microgravity on life processes of the C. elegans. Observation of population densities and the tracking the progression of the worms through four growth stages are part of the study and student data is submitted to Dr. Conley and Dr. Szewczyk.


To Earth and Back | Big Picture Science

radio.seti.org [cached]

Catharine Conley - NASA planetary protection officer


innerspace.net

"That's exactly the question that needs to be addressed early in the process," said Catharine Conley, NASA's planetary protection officer.


pardontheeruption.com

On Space Shuttle Columbia's final mission, it had onboard an experiment coordinated by Catherine Conley, a biologist with NASA's Ames Research Center, now the agency's planetary protection officer.
After the shuttle was destroyed reentering the Earth's atmosphere, the nematode cultures contained in the experiment were recovered still alive. What the accident demonstrated is that not only can microbial life survive in space; it can survive entry into the Earth's atmosphere. Now evidence indicates that billions of years ago, Mars had water and atmospheric conditions that could, theoretically, have supported life. Meteor strikes have meanwhile caused serial ejections of material from Earth to Mars and from Mars to Earth, meaning it's possible (possible) that microbial life actually originated on Mars, which subsequently became inhospitable to it, and landed from there on Earth. If we do find microbial life on Mars, then, Conley said, "... it could look like us.


astronaut.com

"It's like looking for stars when the sun's out," says NASA's Catharine Conley.
For the past 10 years at NASA, Conley has had the difficult, sometimes unappreciated job of keeping Mars clean. She is the head of the Office of Planetary Protection, which is tasked with preventing alien organisms from getting loose in Earth's ecosystem, as well as keeping humans from inadvertently seeding other planets with terrestrial life. While spacecraft are more complex today than they were during the disco era, Conley says it's still perfectly feasible to design rovers and landers that can tolerate high heat. "For Mars missions, the biggest challenge is that the mission planners and designers choose not to include the heat-tolerance requirements up front, and it costs a lot more if you have to add those functions later," she says. Studies conducted a decade ago suggested that late design changes for heat tolerance would add $100 million to the price tag of a mission. But, Conley says, the cost per mission gets cheaper as the space agency becomes more adept at designing heat-resistant hardware. From the perspective of planetary protection, Conley is also concerned about terrestrial organisms that can absorb water from the air. She recalls fieldwork she did in the Atacama Desert in Chile, which is one of the driest places on Earth, with less than 0.04 inch of rain a year. Even in this dessicated place, she found life: photosynthetic bacteria that had made a home in tiny chambers within halite salt crystals. There's a small amount of water retained inside the halite and, at night, it cools down and condenses both on the walls of the chambers and on the surface of the organisms that are sitting there. Conley also warns that water contaminated with Earth microbes could pose serious problems if astronauts ever establish a base on Mars. Most current plans call for expeditions that rely on indigenous resources to sustain astronauts and reduce the supplies they would need to haul from Earth. What if, for example, an advance mission carried certain types of bacteria known to create calcite when exposed to water? If such bacteria could survive on Mars, Conley says, future explorers prospecting for liquid water instead might find that underground aquifers have been turned into cement. Overprotective? If we do succeed in keeping Mars clean for future human explorers, there isn't much we can do to prevent contamination caused by the humans themselves. "Leaks happen, mistakes happen, things get broken," says Conley. For Conley, though, the possibility of a meteor exchange only strengthens the argument for keeping Mars clean. "It becomes more difficult and more important to prevent Earth contamination if Mars life is related to Earth life," Conley says.


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