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2012 National Reconnaissance Office space telescope donation to NASA

From Wikipedia, the free encyclopedia

The aging Hubble Space Telescope has conducted many significant astrophysical observations.

The 2012 National Reconnaissance Office space telescope donation to NASA was the declassification and donation to NASA of two identical space telescopes by the United States National Reconnaissance Office. The donation has been described by scientists as a substantial improvement over NASA's current Hubble Space Telescope.[citation needed] Although the telescopes themselves were given to NASA at no cost, the space agency must still pay for the cost of instruments and electronics for the telescopes, as well as the satellites to house them and the launch of the telescopes. On February 17, 2016, the Nancy Grace Roman Space Telescope (then known as the Wide Field Infrared Survey Telescope or WFIRST) was formally designated as a mission by NASA, predicated on using one of the space telescopes.[1]

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This Week at NASA… The Atlas V rocket carrying NASA's Landsat Data Continuity Mission satellite is set to launch on Monday from Vandenberg Air Force Base in California. LDCM, a joint NASA and U.S. Geological Survey mission, is the eighth satellite in the Landsat series begun in 1972. “With its evolutionary new instruments, the Operational Land Imager and the Thermal Infrared Sensor, LDCM will be the best Landsat spacecraft yet in tems of improved capabilities and the amount of data returned, compared with previous Landsat missions.” The mission will extend the longest continuous data record of Earth's surface as viewed from space – data critical in areas such as energy and water management, forest monitoring, environmental health, urban planning, disaster recovery and agriculture. It won’t be long before an asteroid named 2012 DA-14 makes its extreme flyby of our planet. About half the size of a football field, DA14 should come within 17, 200 miles of Earth on February 15. Although the space rock will pass within the orbit of many of our geosynchronous satellites, scientists in NASA’s Near-Earth Object Program Office say there's no danger of a collision. Still, they’re keeping a close eye on DA14. “Even though it’s getting very close it won’t reach naked eye visibility, but if you have a pair of binoculars and you know where to look – you happen to be located in eastern Europe, Asia or Australia you can observe it going from the South to the North passing closest approach over Indonesia.” NASA's Deep Impact spacecraft has acquired its first images of a comet believed to have quite the bright future. The images of C/2012 S1, better known as comet ISON, were taken over 36 hours in mid-January by Deep Impact’s Medium-Resolution Imager from a distance of 493 million miles. Many scientists anticipate that comet ISON will put on a brilliant show this fall when the space-borne conglomeration of dust and ice passes through the inner solar system. The core satellite of the Global Precipitation Measurement mission, GPM, has successfully completed rigorous testing at the Goddard Space Flight Center. The satellite spent more than two months in a thermal vacuum chamber exposed to extreme heat and cold to simulate the harsh conditions of space. GPM is an international network of satellites that will provide global data about rain and snowfall every 3 hours. Information collected by GPM, the first satellite designed to measure snowfall from space, will expand our understanding of Earth’s water and energy cycles and improve the ability of weather forecasting models to predict extreme storms. The GPM Core satellite is scheduled for launch in early 2014. How to use a pair of telescopes transferred to NASA from another Federal agency was the focus of a two-day national workshop at the Marshall Space Flight Center. More than 30 presentations came from industry, academia and government about potential uses for the two, flight-qualified telescopes given NASA by the National Reconnaissance Office. NASA’s Science Mission Directorate sponsored the workshop as part of its Study on Applications for Large Space Optics, or SALSO. The SALSO team will down-select up to six concepts to be developed into high-level mission concepts by the NASA design centers at the Goddard Space Flight Center and the Jet Propulsion Laboratory. These mission concepts will be presented to the NASA administrator in May. More than 50 journalists and social media followers visiting the Dryden Flight Research Center and its Palmdale operations facility learned how a small fleet of highly-specialized aircraft supports NASA's Earth science and environmental mission. The Airborne Science Showcase highlighted the specially-modified aircrafts’ cutting-edge instrumentation used by numerous NASA missions to monitor and collect crucial data about our home planet. “With what we do in the Airborne Science Program – really is enmeshed and critical with what we do with our space missions as well. We’re NASA, we launch rockets. But primarily from the Science Directorate at NASA and Earth Science in particular, our main goal is to try to advance our understanding of the science itself.” Among the NASA missions highlighted were DISCOVER-AQ currently measuring air quality over California's San Joaquin Valley; the PODEX mission evaluating instrumentation for a future satellite; and the Airborne Tropical Tropopause Experiment, a multi-year investigation of how the chemistry of the upper regions of Earth’s atmosphere is contributing to climate change. Dryden’s facilities are joined by the Johnson Space Center, the Wallops Flight Facility, and the Langley Research Center in serving as home to these unique and valuable craft. This suborbital rocket successfully launched from the Wallops Flight Facility is helping scientists determine how best to create lithium vapor trails for studying phenomena in the ionosphere. The two red-colored lithium vapor trails produced by the flight posed no threat to the public and were reportedly seen from as far away as the Outer Banks, North Carolina, eastern Pennsylvania and New Jersey. Lithium trails will be used in two missions this year. The first is scheduled for April from Kwajalein Atoll in the central Pacific Ocean; the second is set for June at Wallops. NASA astronaut Ron Garan was a keynote speaker at the Susan G. Komen Global Women’s Cancer Summit in Washington. A veteran of two spaceflights, most recently on Expedition 27/28 aboard the International Space Station, Garan now works on NASA’s Open Government Initiative to develop innovative collaborations between government, industry and citizens around the world to benefit all humankind. “If we can land on the moon and return to Earth safely, if nations can join together and build an enormous, incredibly capable research facility in orbit, we can by working together solve the problems that we all face, including the elimination of cancer.” My name is Clayton Turner. I’m Chief Engineer at NASA Langley Research Center. I am responsible for the engineering excellence of all of our projects and activities here at the center and also for promoting the disciplines across the engineering directorate. So diversity for me is bringing in fresh thought and ideas. The more fresh thought from different perspectives you can bring to a problem, the more solutions you can have to that problem. We have many challenges across the Nation and those are best solved with a diverse set of thought. If we get stuck in one mind set or one set of backgrounds to solve a problem, we may try to do the same solutions over and over, and a new set of ideas may come in for something we’ve never thought of before. Here at NASA we see that a lot because we do some of the really challenging things; we take on some of the most challenging problems, and the solutions aren’t going to be something you can find in a book; they aren’t going to be something you can find with two or three really smart people getting together and working through it. You need a diverse team that are bringing in ideas from engineering, business development, education, science, from across a background. In my current job as Chief Engineer, I’m not a supervisor for anyone. All of my work and everything I get done is through influence, and part of that influence is understanding what the various parties want to do and trying to find a consensus or trying to find a technical agreement that still may have a dissent, but something that we can agree - this is the right technical way to go. NASA’s Associate Administrator for Science, John Grunsfeld, donned his astronaut flight jacket for a luncheon in his honor at the National Geographic Society in Washington. The five-time shuttle astronaut returned a National Geographic Society flag he’d brought with him on STS-125, NASA’s final mission to service the Hubble Space Telescope. “As I would go on my expeditions around the world to climb high mountains I would take a flag with me I thought, ‘wouldn’t it be appropriate – this the last Hubble Servicing Mission – going to the world’s greatest telescope, to bring a flag of National Geographic’s that inspired me.” Grunsfeld, who earned the nickname, “Hubble Repairman” for flying three Hubble servicing missions, is the last human to touch the telescope. National Geographic, one of the largest non-profit scientific and educational institutions in the world, presented Grunsfeld with an engraved copy of “Hubble: Imaging Space and Time,” a Society-published book for which he’d written the forward. “3-2-1 ignition and liftoff Discovery now on its way to service NASA’s Hubble Space Telescope.” On February 11, 1997, Space Shuttle Discovery lit up the pre-dawn sky at the Kennedy Space Center to begin STS-82, the second planned servicing mission to the Hubble Space Telescope. During the almost 10-day mission, Discovery’s crew upgraded Hubble with new imaging devices – including the Space Telescope Imaging Spectrograph, or STIS – an instrument designed to seek out super-massive black holes, and NICMOS and The Near Infrared Camera and Multi-Object Spectrometer, which astronomers would use to capture near-infrared views of the universe. Additional Day of Remembrance tributes to those members of the NASA family who’ve given their lives for exploration and discovery. Johnson Space Center Director Ellen Ochoa, astronauts and other NASA employees joined the Sabine County Columbia Memorial Committee and the Patricia Huffman Smith NASA Museum in Hemphill, Texas, on February first for a tribute to STS-107. Ten years ago to the day, the mission’s seven astronauts died when space shuttle Columbia broke apart over East Texas 16 minutes before its scheduled landing at the Kennedy Space Center. Local citizens and personnel from more than 120 federal, state and regional agencies and organizations worked together under challenging conditions for three months to recover Columbia debris and evidence that led to the cause of the accident. And, following a public ceremony at the Ames Research Center in honor of the Apollo 1, Challenger and Columbia crews, an exhibit was unveiled in tribute to STS-107 Mission Specialist Kalpana Chawla. Chawla worked at Ames for six years before joining NASA’s astronaut corps. Donated to NASA by her family, the exhibit contains personal belongings, awards and other items from her time in Mountain View. “We have items that she used and she wore, including her Congressional Medal of Honor that was given to her.  And now we have to remind us, and the future generations, the sacrifice that she made.  This is really a true treasure for us to have here at Ames Research Center.” And that’s This Week @NASA. For more on these and other stories, or to follow us on YouTube, UStream and other social media, log on to www.nasa.gov. 2

Background

While the Hubble Space Telescope of the National Aeronautics and Space Administration (NASA) has collected a large amount of astronomical data, has outlived all expectations, and has been described as one of the space agency's most successful missions, the facility will eventually succumb to the extreme environment of space.[2] In addition, with the James Webb Space Telescope costing at least US$9 billion, the agency's astrophysics budget is strained. As a result, NASA's other astrophysics missions have been delayed until funding becomes available.[3]

In January 2011 the National Reconnaissance Office (NRO) revealed to NASA the existence of two unneeded telescope optical systems, originally built to be used in reconnaissance satellites, and available to the civilian agency. NASA accepted the offer in August 2011 and announced the donation on 4 June 2012.[4] The instruments were constructed between the late 1990s and early 2000s, reportedly for NRO's unsuccessful Future Imagery Architecture program;[5] in addition to the two completed telescopes, a primary mirror and other parts for a third also exist.[6]

While NRO considers them to be obsolete, the telescopes are nevertheless new and unused. All charged couple devices (CCDs) and electronics have been removed, however, and NASA must add them at its own expense. When the telescopes' specifications were presented to scientists, large portions were censored due to national security. An unnamed space analyst stated that the instruments may be a part of the KH-11 Kennen line of satellites which have been launched since 1976, but which have now been largely superseded by newer telescopes with wider fields of view than the KH-11. The analyst stated, however, that the telescopes have "state-of-the-art optics" despite their obsolescence for reconnaissance purposes.[3]

Potential uses

The early consensus for the usage of the telescopes was to follow the NASA Astronomy and Astrophysics Decadal Survey of 2010, which lists the Wide Field Infrared Survey Telescope (now renamed the Nancy Grace Roman Space Telescope) as its highest priority.[2][6] Observing in the infrared section of the electromagnetic spectrum, the Nancy Grace Roman Space Telescope will be used to study the role of dark energy in the Universe, as well as to directly image Jupiter-sized extrasolar planets.[7]

The NRO telescope design has several features which make it useful for Roman/WFIRST and superior to the Hubble. The NRO instrument's 2.4-meter (94 in) primary mirror is the same size and quality as the Hubble's.[3][6] With double the mirror diameter of the original WFIRST design, it allows for up to twice the image resolution and gathers four times the light.[7] Unlike civilian telescopes, the NRO instrument also has a steerable secondary mirror for additional precision.[3] The telescope has a much wider field of view than Hubble due to its shorter focal length, allowing it to observe about 100 times the area at any given time as Hubble can.[4] This has led to the donated telescopes' characterization as "Stubby Hubbles".[7] Their obstructed design, however, may make imaging extrasolar planets more challenging,[8] and would be unsuitable for imaging the most distant galaxies at its longest infrared wavelengths, which requires cooling beyond the original NRO design temperature range.[6]

Whether using the NRO telescopes would save NASA money is unclear. While each is worth at least $250 million, their larger size compared to the proposed WFIRST design would require a larger rocket and camera. According to one NASA estimate using an NRO telescope would raise the cost of WFIRST by $250 million above its $1.5 billion budget.[6] Another estimate states that NASA would save up to $250 million. The agency's deputy acting director for astrophysics Michael Moore states that using both telescopes may ultimately save NASA $1.5 billion.[9] David Spergel estimated that using an NRO telescope would add about $100 million to WFIRST's cost, but would prefer to spend another $200 million for a coronagraph to improve its direct-imaging capability.[6]

Due to the budgetary constraints arising from the continued construction of the James Webb Space Telescope, NASA has stated that Roman/WFIRST may not be launched until 2024 at the earliest,[9] despite early speculation that by using an NRO telescope the mission might launch by roughly 2020, at about the same time as the European Space Agency's Euclid.[6] In addition, the availability of a telescope is believed to increase the probability that the mission will be launched at all.[4]

While the first telescope is now in use as the basis for Roman/WFIRST,[10] NASA currently does not have plans or funding for the usage of the second.[4] Astronomers had studied possible additional uses,[11] and NASA considered dozens of proposals;[12] the only prohibition is Earth observation, a condition of the NRO donation.[13] Possibilities include observing Earth's aurora and ionosphere, or asteroids and other faint objects within the Solar System.[6] NASA has also suggested that the telescope could be sent to Mars, photographing the surface with a resolution about four times finer than the current Mars Reconnaissance Orbiter's HiRISE instrument. From Martian orbit the telescope could also view the outer Solar System and the asteroid belt.[14]

See also

References

  1. ^ "NASA Introduces New, Wider Set of Eyes on the Universe" (Press release). 2016-02-18. Retrieved 2016-02-18.
  2. ^ a b Lemonick, Michael D. (June 5, 2012). "NASA Gets Two New Hubble Telescopes — for Free". TIME Science. TIME. Archived from the original on June 7, 2012. Retrieved June 5, 2012.
  3. ^ a b c d Achenbach, Joel (June 4, 2012). "NASA gets two military spy telescopes for astronomy". The Washington Post National. The Washington Post. Retrieved June 5, 2012.
  4. ^ a b c d Clark, Stephen (June 4, 2012). "NASA has a mission for grounded spy telescopes". Spaceflight Now. Spaceflight Now Inc. Retrieved June 5, 2012.
  5. ^ Ferster, Warren (2012-06-08). "Donated Space Telescopes are Remnants of Failed NRO Program". SpaceNews. Retrieved 2013-05-31.
  6. ^ a b c d e f g h Hand, Eric (October 2012). "The telescopes that came in from the cold". Nature. 490 (7418): 16–17. Bibcode:2012Natur.490...16H. doi:10.1038/490016a. PMID 23038442.
  7. ^ a b c Boyle, Rebecca (June 5, 2012). "NASA Adopts Two Spare Spy Telescopes, Each Maybe More Powerful than Hubble". Popular Science. Popular Science Technology Group. Retrieved June 5, 2012.
  8. ^ Cowen, Ron (January 2013). "Fresh bid to see exo-Earths". Nature. 493 (7433): 464–465. Bibcode:2013Natur.493..464C. doi:10.1038/493464a. PMID 23344338.
  9. ^ a b Potter, Ned (June 4, 2012). "NASA Gets 2 Unused Space Telescopes From Spy Agency". ABC Science Blog and News Posts. ABC News Internet Ventures. Retrieved June 6, 2012.
  10. ^ "NASA Awards Optical Telescope Assembly for Wide Field Infrared Survey Telescope Mission". NASA. November 30, 2018. Retrieved 2021-06-28.
  11. ^ New Telescope Meeting. New Telescope Meeting. Princeton University. September 2012. Archived from the original on 2013-05-31. Retrieved 2013-05-04.
  12. ^ Foust, Jeff (February 2013). "The future of space telescopes beyond JWST". The Space Review.
  13. ^ Leone, Dan (2013-05-29). "NASA Soon To Judge Spy Telescope's Suitability for JWST Follow-On". Space News. Archived from the original on June 30, 2013. Retrieved 2023-02-03.
  14. ^ Wall, Mike (May 15, 2013). "NASA May Launch Donated Spy Satellite Telescope to Mars". Space.com. TechMediaNetwork. Retrieved May 15, 2013.
This page was last edited on 12 December 2023, at 22:26
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