Stellar Sparklers That Last

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While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time. NGC 1333 is a star cluster populated with many young stars that are less than 2 million years old, a blink of an eye in astronomical terms for stars like the Sun expected to burn for billions of years.

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NASA’s New Horizons Spacecraft Stays the Course to Pluto

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These images show the difference between two sets of 48 combined 10-second exposures with New Horizons’ Long Range Reconnaissance Imager (LORRI) camera, taken at 8:40 UTC and 10:25 UTC on June 26, 2015, from a range of 21.5 million kilometers (approximately 13 million miles) to Pluto. The known small moons, Nix, Hydra, Kerberos and Styx, are visible as adjacent bright and dark pairs of dots, due to their motion in the 105 minutes between the two image sets.
Credits: NASA/JHU-APL/SwRI

NASA’s New Horizons spacecraft is getting a final “all clear” as it speeds closer to its historic July 14 flyby of Pluto and the dwarf planet’s five moons.

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NASA Testing Space Technologies with Wallops Rocket Launch July 7

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The NASA sounding rocket payload carrying two space technology development projects goes through GPS checks at the Wallops Flight Facility by technicians Tom Malaby (left) and Darren Ryan.
Credits: NASA/Berit Bland

NASA will test two space technology development projects during the flight of a Black Brant IX suborbital sounding rocket at 5:45 a.m. EDT, July 7, from the agency’s Wallops Flight Facility in Virginia.

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Curiosity’s Stars and Stripes

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Image Credit: NASA/JPL-Caltech/MSSS

This view of the American flag medallion on NASA’s Mars rover Curiosity was taken by the rover’s Mars Hand Lens Imager (MAHLI) during the 44th Martian day, or sol, of Curiosity’s work on Mars (Sept. 19, 2012). The flag is one of four “mobility logos” placed on the rover’s mobility rocker arms.

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Her Majesty’s Canadian Ship Charlottetown visits namesake city

HMCS Charlottetown

July 2, 2015

HALIFAX, NOVA SCOTIA — Her Majesty’s Canadian Ship (HMCS) Charlottetown departs her homeport of Halifax, Nova Scotia, today to conduct a port visit in her namesake city of Charlottetown, PEI, from July 3 to 6. Namesake city visits allow Royal Canadian Navy ships and their sailors to visit with Canadians and to deepen their relationship with their namesake cities and communities.

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Lockheed Martin’s Electronic Warfare Pod Delivers Proven Ability to Protect and Control the Electromagnetic Spectrum

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Another round in the “chamber” – electronic warfare pod demonstrates great results

WASHINGTON, July 2, 2015 – Lockheed Martin (NYSE: LMT) is testing an electronic warfare pod in the company’s advanced anechoic chamber. The pod is designed to fit a variety of platforms, and is a self-contained electronic warfare package, encompassing an entire suite of capabilities in one unit.

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Counting stars with Gaia

Stellar density map - annotated node full image 2

Title Stellar density map – annotated
Released 03/07/2015 11:00 am
Copyright ESA/Gaia – CC BY-SA 3.0 IGO
Description

The outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic Clouds, in an image based on housekeeping data from ESA’s Gaia satellite, indicating the total number of stars detected every second in each of the satellite’s fields of view.

Brighter regions indicate higher concentrations of stars, while darker regions correspond to patches of the sky where fewer stars are observed.

The plane of the Milky Way, where most of the Galaxy’s stars reside, is evidently the brightest portion of this image, running horizontally and especially bright at the centre. Darker regions across this broad strip of stars, known as the Galactic Plane, correspond to dense, interstellar clouds of gas and dust that absorb starlight along the line of sight.

The Galactic Plane is the projection on the sky of the Galactic disc, a flattened structure with a diameter of about 100 000 light-years and a vertical height of only 1000 light-years.

Beyond the plane, only a few objects are visible, most notably the Large and Small Magellanic Clouds, two dwarf galaxies orbiting the Milky Way, which stand out in the lower right part of the image. A few globular clusters – large assemblies up to millions of stars held together by their mutual gravity – are also sprinkled around the Galactic Plane and are highlighted in this image.

Acknowledgement: this image was prepared by Edmund Serpell, a Gaia Operations Engineer working in the Mission Operations Centre at ESA’s European Space Operations Centre in Darmstadt, Germany.

This work is licenced under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence.
Id 343357

3 July 2015

This image, based on housekeeping data from ESA’s Gaia satellite, is no ordinary depiction of the heavens. While the image portrays the outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic Clouds, it was obtained in a rather unusual way.

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