astronomy, NASA, photos, space

Total Solar Eclipse of 1979

From cold, clear skies over Riverton, Manitoba, Canada, planet Earth, the solar corona surrounds the silhouette of the New Moon in this telescopic snapshot of the total solar eclipse of February 26, 1979. Thirty eight years ago, it was the last total solar eclipse visible from the contiguous United States. The narrow path of totality ran through the northwestern states of Washington, Oregon, Idaho, Montana, and North Dakota before crossing into Canadian provinces Saskatchewan, Manitoba, Ontario and Quebec. Following the upcoming August 21, 2017 total solar eclipse crossing the U.S. from coast to coast, an annular solar eclipse will be seen in the continental United States on October 14, 2023, visible along a route from Northern California to Florida. Then, the next total solar eclipse to touch the continental U.S. will track across 13 states from from Texas to Maine on April 8, 2024. via NASA
https://apod.nasa.gov/apod/ap170819.html
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NASA Successfully Launches Latest Communications Satellite

NASA’s Tracking and Data Relay Satellite-M (TDRS-M), which is the third and final in a series of next generation communications satellites, has successfully been placed into orbit following separation from an United Launch Alliance (ULA) Atlas V rocket.

from NASA
http://www.nasa.gov/press-release/nasa-successfully-launches-latest-communications-satellite
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NGC 2442: Galaxy in Volans

Distorted galaxy NGC 2442 can be found in the southern constellation of the flying fish, (Piscis) Volans. Located about 50 million light-years away, the galaxy’s two spiral arms extending from a pronounced central bar have a hook-like appearance in wide-field images. But this mosaicked close-up, constructed from Hubble Space Telescope and European Southern Observatory data, follows the galaxy’s structure in amazing detail. Obscuring dust lanes, young blue star clusters and reddish star forming regions surround a core of yellowish light from an older population of stars. The sharp image data also reveal more distant background galaxies seen right through NGC 2442’s star clusters and nebulae. The image spans about 75,000 light-years at the estimated distance of NGC 2442. via NASA
https://apod.nasa.gov/apod/ap170817.html
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2017 Astronaut Candidates Available for Interviews Before Training

NASA’s newest astronaut candidates, a diverse dozen women and men, will participate in media interviews and a final news conference before training on Tuesday, Aug. 22, at the agency’s Johnson Space Center in Houston.

from NASA
http://www.nasa.gov/press-release/2017-astronaut-candidates-available-for-interviews-before-training
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NASA Awards Contract to Extend Operations of Research, Development Center

NASA has awarded a contract to the California Institute of Technology (Caltech) in Pasadena, California, to extend operations of the agency’s Jet Propulsion Laboratory (JPL), also in Pasadena, through Sept. 30, 2018.

from NASA
http://www.nasa.gov/press-release/nasa-awards-contract-to-extend-operations-of-research-development-center
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NASA Television to Air Launch of Next Communications Satellite

NASA is targeting 8:03 a.m. EDT Friday, Aug. 18, for the launch of its next Tracking and Data Relay Satellite (TDRS) mission atop a United Launch Alliance Atlas V rocket from Cape Canaveral Air Force Station in Florida. The launch, and related activities that begin Thursday, Aug. 17, will air live on NASA Television and the agency’s website.

from NASA
http://www.nasa.gov/press-release/nasa-television-to-air-launch-of-next-communications-satellite-0
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NASA Signs Combined Data Services Agreement for Polar Satellite Program

NASA has procured combined data support services under an agreement with the Norwegian Space Centre in Oslo, Norway, for the Joint Polar Satellite System (JPSS) program and various cooperative international missions. This action is supported under an international agreement between the United States and Norway.

from NASA
http://www.nasa.gov/press-release/nasa-signs-combined-data-services-agreement-for-polar-satellite-program
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NASA Cargo Launches to Space Station Aboard SpaceX Resupply Mission

Experiments seeking a better understanding of Parkinson’s disease and the origin of cosmic rays are on their way to the International Space Station aboard a SpaceX Dragon spacecraft following today’s 12:31 p.m. EDT launch.

from NASA
http://www.nasa.gov/press-release/nasa-cargo-launches-to-space-station-aboard-spacex-resupply-mission
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Detailed View of a Solar Eclipse Corona

Only in the fleeting darkness of a total solar eclipse is the light of the solar corona easily visible. Normally overwhelmed by the bright solar disk, the expansive corona, the sun’s outer atmosphere, is an alluring sight. But the subtle details and extreme ranges in the corona’s brightness, although discernible to the eye, are notoriously difficult to photograph. Pictured here, however, using multiple images and digital processing, is a detailed image of the Sun’s corona taken during the 2008 August total solar eclipse from Mongolia. Clearly visible are intricate layers and glowing caustics of an ever changing mixture of hot gas and magnetic fields. Bright looping prominences appear pink just above the Sun’s limb. A similar solar corona might be visible through clear skies in a thin swath across the USA during a total solar eclipse that occurs just one week from tomorrow. via NASA
https://apod.nasa.gov/apod/ap170813.html
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NASA Awards Acquisition, Business Support Services Contract

NASA has awarded a contract to Paragon TEC, Inc. of Cleveland to provide acquisition and business support services at the agency’s Marshall Space Flight Center in Huntsville, Alabama, and its Michoud Assembly Facility in New Orleans.

from NASA
http://www.nasa.gov/press-release/nasa-awards-acquisition-business-support-services-contract
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NASA Awards Acquisition, Business Support Services Contract

NASA has awarded a contract to Paragon TEC, Inc. of Cleveland to provide acquisition and business support services at the agency’s Marshall Space Flight Center in Huntsville, Alabama, and its Michoud Assembly Facility in New Orleans.

from NASA
http://www.nasa.gov/press-release/nasa-awards-acquisition-business-support-services-contract
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A Total Solar Eclipse of Saros 145

A darkened sky holds bright planet Venus, the New Moon in silhouette, and the shimmering corona of the Sun in this image of a total solar eclipse. A composite of simultaneous telephoto and wide angle frames it was taken in the path of totality 18 years ago, August 11, 1999, near Kastamonu, Turkey. That particular solar eclipse is a member of Saros 145. Known historically from observations of the Moon’s orbit, the Saros cycle predicts when the Sun, Earth, and Moon will return to the same geometry for a solar (or lunar) eclipse. The Saros has a period of 18 years, 11 and 1/3 days. Eclipses separated by one Saros period belong to the same numbered Saros series and are very similar. But the path of totality for consecutive solar eclipses in the same Saros shifts across the Earth because the planet rotates for an additional 8 hours during the cycle’s fractional day. So the next solar eclipse of Saros 145 will also be a total eclipse, and the narrow path of totality will track coast to coast across the United States on August 21, 2017. via NASA
https://apod.nasa.gov/apod/ap170811.html