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How big is Pluto? New Horizons settles decades-long debate

Science Daily: Kuiper Belt - Tue, 2015-07-14 10:11
NASA's New Horizons mission has answered one of the most basic questions about Pluto -- its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) in diameter, somewhat larger than many prior estimates. Images acquired with the Long Range Reconnaissance Imager (LORRI) were used to make this determination. This result confirms what was already suspected: Pluto is larger than all other known solar system objects beyond the orbit of Neptune.

How big is Pluto? New Horizons settles decades-long debate

Science Daily: Pluto - Tue, 2015-07-14 10:11
NASA's New Horizons mission has answered one of the most basic questions about Pluto -- its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) in diameter, somewhat larger than many prior estimates. Images acquired with the Long Range Reconnaissance Imager (LORRI) were used to make this determination. This result confirms what was already suspected: Pluto is larger than all other known solar system objects beyond the orbit of Neptune.

New light shone on near-earth asteroid

Science Daily: Comets and Asteroids - Tue, 2015-07-14 09:38
A team of scientists participating in a radio astronomy summer school had the unexpected opportunity to observe a recently discovered near-Earth asteroid as it zipped past our planet on July 7.

NASA's Three-Billion-Mile Journey to Pluto Reaches Historic Encounter

NASA: Breaking News - Tue, 2015-07-14 08:41
NASA’s New Horizons spacecraft is at Pluto. After a decade-long journey through our solar system, New Horizons made its closest approach to Pluto Tuesday, about 7,750 miles above the surface -- roughly the same distance from New York to Mumbai, India – making it the first-ever space mission to explore a world so far from Earth.
Categories: Space Exploration

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Astronomy Picture of the Day - Tue, 2015-07-14 00:51

That is not our Moon.


Categories: Astronomy Pictures

NASA, Agriculture Department Deputies to Sign Interagency Agreement for Earth Science, Agricultural Research

NASA: Earth News - Mon, 2015-07-13 16:15
NASA Deputy Administrator Dava Newman and U.S. Department of Agriculture (USDA) Deputy Secretary Krysta Harden will sign an interagency agreement and hold a media availability from 10 to 11 a.m. PDT on Thursday, July 16, at NASA’s Ames Research Center in Moffett Field, California.
Categories: Planet Earth

NASA, Agriculture Department Deputies to Sign Interagency Agreement for Earth Science, Agricultural Research

NASA: Breaking News - Mon, 2015-07-13 16:15
NASA Deputy Administrator Dava Newman and U.S. Department of Agriculture (USDA) Deputy Secretary Krysta Harden will sign an interagency agreement and hold a media availability from 10 to 11 a.m. PDT on Thursday, July 16, at NASA’s Ames Research Center in Moffett Field, California.
Categories: Space Exploration

Nerve-wracking flyby of Pluto: New Horizons probe begins complicated dance

Science Daily: Pluto - Mon, 2015-07-13 11:36
The moment is finally here: after a decade of travel, the New Horizons probe is about to encounter Pluto. Flying faster than a speeding bullet -- literally -- the probe has to perform complex maneuvers, and go completely silent before scientists on Earth will hear anything, an astronomer says.

Nerve-wracking flyby of Pluto: New Horizons probe begins complicated dance

Science Daily: Kuiper Belt - Mon, 2015-07-13 11:36
The moment is finally here: after a decade of travel, the New Horizons probe is about to encounter Pluto. Flying faster than a speeding bullet -- literally -- the probe has to perform complex maneuvers, and go completely silent before scientists on Earth will hear anything, an astronomer says.

Nerve-wracking flyby of Pluto: New Horizons probe begins complicated dance

Science Daily: Comets and Asteroids - Mon, 2015-07-13 11:36
The moment is finally here: after a decade of travel, the New Horizons probe is about to encounter Pluto. Flying faster than a speeding bullet -- literally -- the probe has to perform complex maneuvers, and go completely silent before scientists on Earth will hear anything, an astronomer says.

Pluto as seen from New Horizons on July 11, 2015

NASA: Image of the Day - Mon, 2015-07-13 09:24
One million miles to go; Pluto is more intriguing than ever!
Categories: Astronomy Pictures

Sen. Mikulski, NASA Deputy Administrator Tour NASA’s New Horizons Mission Operations Center Today

NASA: Breaking News - Mon, 2015-07-13 09:24
Senator Barbara A. Mikulski will join NASA Deputy Administrator Dava Newman, John Grunsfeld, associate administrator of NASA’s Science Mission Directorate and Ralph Semmel, director of the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland today for a briefing on New Horizons and a tour of the mission operations center.
Categories: Space Exploration

NASA Pluto New Horizons July 13 Media Briefing Time Change, Media Center Open

NASA: Universe News - Sun, 2015-07-12 13:13
NASA will provide comprehensive television, Internet and social media coverage this week of the agency’s New Horizons spacecraft historic July 14 flyby of Pluto. The time for the flyby preview news briefing on NASA Television Monday, July 13 has moved up 30 minutes, and now will start at 10:30 a.m. EDT.
Categories: Space Exploration

NASA Pluto New Horizons July 13 Media Briefing Time Change, Media Center Open

NASA: Solar System Exploration News - Sun, 2015-07-12 13:13
NASA will provide comprehensive television, Internet and social media coverage this week of the agency’s New Horizons spacecraft historic July 14 flyby of Pluto. The time for the flyby preview news briefing on NASA Television Monday, July 13 has moved up 30 minutes, and now will start at 10:30 a.m. EDT.
Categories: Space Exploration

NASA Pluto New Horizons July 13 Media Briefing Time Change, Media Center Open

NASA: Breaking News - Sun, 2015-07-12 13:13
NASA will provide comprehensive television, Internet and social media coverage this week of the agency’s New Horizons spacecraft historic July 14 flyby of Pluto. The time for the flyby preview news briefing on NASA Television Monday, July 13 has moved up 30 minutes, and now will start at 10:30 a.m. EDT.
Categories: Space Exploration

Hubble Looks at Stunning Spiral

NASA: Image of the Day - Fri, 2015-07-10 11:29
This little-known galaxy, officially named J04542829-6625280, but most often referred to as LEDA 89996, is a classic example of a spiral galaxy.
Categories: Astronomy Pictures

Five Ways Mariner 4 Changed Mars Exploration

JPL Podcasts - Fri, 2015-07-10 03:00



Mariner 4 was the first spacecraft to fly by Mars and send home close-up images. Find out how the mission changed the way we explore the Red Planet.



Categories: Multimedia Podcasts

Atmosphere of Venus studied through rare transit images

Science Daily: Venus - Thu, 2015-07-09 18:02
Two of NASA's heliophysics missions can now claim planetary science on their list of scientific findings. A group of scientists used the Venus transit -- a very rare event where a planet passes between Earth and the sun, appearing to us as a dark dot steadily making its way across the sun's bright face -- to make measurements of how the Venusian atmosphere absorbs different kinds of light.

NASA Study Finds Indian, Pacific Oceans Temporarily Hide Global Warming

NASA: Earth News - Thu, 2015-07-09 14:19
A new NASA study of ocean temperature measurements shows in recent years extra heat from greenhouse gases has been trapped in the waters of the Pacific and Indian oceans. Researchers say this shifting pattern of ocean heat accounts for the slowdown in the global surface temperature trend observed during the past decade.
Categories: Planet Earth

NASA Study Finds Indian, Pacific Oceans Temporarily Hide Global Warming

NASA: Breaking News - Thu, 2015-07-09 14:19
A new NASA study of ocean temperature measurements shows in recent years extra heat from greenhouse gases has been trapped in the waters of the Pacific and Indian oceans. Researchers say this shifting pattern of ocean heat accounts for the slowdown in the global surface temperature trend observed during the past decade.
Categories: Space Exploration
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