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The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC 1396 located in the constellation Cepheus about 2,400 light years away from Earth. (Source: Wikipedia)
Credit: Raul Villaverde Release Date: June 13, 2017
June 14, 2017: NASA astronaut Jack Fischer took this photograph of an American flag in one of the windows of the International Space Station's cupola, a dome-shaped module through which operations on the outside of the station can be observed and guided.
Throughout NASA's history, spacecraft and launch vehicles have always been decorated with flags. When Ed White became the first American astronaut to perform a spacewalk on June 3, 1965, his spacesuit was one of the first to be adorned with a flag patch. White's crewmate Jim McDivitt also wore a flag on his suit. The astronauts purchased the flags themselves, but following their flight, NASA made the flag patch a regular feature on the spacesuits. NASA astronauts still wear them today.
In the United States, Flag Day is celebrated on June 14. It commemorates the adoption of the flag of the United States, which happened on June 14, 1777, by resolution of the Second Continental Congress. The United States Army also celebrates the U.S. Army Birthdays on this date; Congress adopted "the American continental army" after reaching a consensus position in the Committee of the Whole on June 14, 1775.
In 1916, President Woodrow Wilson issued a proclamation that officially established June 14 as Flag Day; in August 1949, National Flag Day was established by an Act of Congress. Flag Day is not an official federal holiday. (Source: Wikipedia)
June 14, 2017: The unpiloted Russian ISS Progress 67 cargo ship launched atop a Soyuz booster June 14 from the Baikonur Cosmodrome in Kazakhstan on a two-day journey to the International Space Station. The new Progress, which is carrying three tons of food, fuel and supplies for the residents of the orbital complex, is scheduled to automatically dock to the rear port of the station’s Zvezda Service Module on June 16. It will remain attached to the station through December. Credit: Roscosmos (Роскосмос) Release Date: June 14, 2017
June 14, 2017: The unpiloted Russian ISS Progress 67 cargo ship launched atop a Soyuz booster June 14 from the Baikonur Cosmodrome in Kazakhstan on a two-day journey to the International Space Station. The new Progress, which is carrying three tons of food, fuel and supplies for the residents of the orbital complex, is scheduled to automatically dock to the rear port of the station’s Zvezda Service Module on June 16. It will remain attached to the station through December.
Credit: Roscosmos (Роскосмос) Release Date: June 14, 2017
British ESA astronaut Tim Peake on ‘Extravehicular activity’, or EVA, training with German ESA astronaut Matthias Maurer at the Neutral Buoyancy Lab, Johnson Space Center, Houston, Texas, United States.
Credit: ESA - S. Corvaja Image Date: April 28, 2017
NASA's Jet Propulsion Laboratory, Pasadena, California, manages the Juno mission for the principal investigator, Scott Bolton, of Southwest Research Institute in San Antonio. The Juno mission is part of the New Frontiers Program managed by NASA's Marshall Space Flight Center in Huntsville, Alabama, for the Science Mission Directorate. Lockheed Martin Space Systems, Denver, built the spacecraft. JPL is a division of Caltech in Pasadena, California.
Image from orbit of Black Sea with phytoplankton swirls June 12, 2017: Most summers, jewel-toned hues appear in the Black Sea. The turquoise swirls are not the brushstrokes of a painting; they indicate the presence of phytoplankton, which trace the flow of water currents and eddies.
On May 29, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured the data for this image of an ongoing phytoplankton bloom in the Black Sea. The image is a mosaic, composed from multiple satellite passes over the region.
Phytoplankton are floating, microscopic organisms that make their own food from sunlight and dissolved nutrients. Here, ample water flow from rivers like the Danube and Dnieper carries nutrients to the Black Sea. In general, phytoplankton support fish, shellfish, and other marine organisms. But large, frequent blooms can lead to eutrophication—the loss of oxygen from the water—and end up suffocating marine life.
One type of phytoplankton commonly found in the Black Sea are coccolithophores—microscopic plankton that are plated with white calcium carbonate. When aggregated in large numbers, these reflective plates are easily visible from space as bright, milky water.
“The May ramp-up in reflectivity in the Black Sea, with peak brightness in June, seems consistent with results from other years,” said Norman Kuring, an ocean scientist at NASA’s Goddard Space Flight Center. Although Kuring does not study this region, the bloom this year is one of the brightest to catch his eye since 2012.
Other types of phytoplankton can look much different in satellite imagery. “It’s important to remember that not all phytoplankton blooms make the water brighter,” Kuring said. “Diatoms, which also bloom in the Black Sea, tend to darken water more than they brighten it.”
Image Credit: NASA/Jeff Schmaltz, LANCE/EOSDIS Rapid Response Caption Credit: Kathryn Hansen and Pola Lem
ESA Astronaut Thomas Pesquet of France: "I took the Paris Agreement to the International Space Station: Seen from space, climate change is very real. Some could probably use the view" #MakeOurPlanetGreatAgain
June 6, 2017: The rhythms of sea ice play a central role in many communities along Hudson Bay, the shallow inland sea in northern Canada. This is particularly true for Sanikiluaq, an Inuit town on one of the Belcher Islands in the southeastern part of the Bay.
Every year, the Belcher Islands cycle through periods dominated by ice and then by open water. Thick layers of sea ice enclose the islands during the winter. As longer and warmer days arrive in May and June, ice begins to thaw and break up. By July, the islands are usually ice free.
On May 28, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image of the Belcher Islands. Landfast ice (anchored to the shore) still filled many of the inlets, but areas of open water called polynyas had emerged around the island group. Beyond the polynyas, pack ice still filled much of Hudson Bay.
The cool climate makes large-scale farming impossible on the Belcher Islands. Instead, hunting and fishing are central to the town’s economy. The many inlets of the islands make good habitat and nesting grounds for ducks, whales, walruses, seals, and fish. As a result, Inuit hunters have become expert at tracking migratory animal communities on foot, boat, and snowmobile. In some cases, this involves taking advantage of currents and floes of floating ice to reach areas where wildlife congregates.
As climate changes and the behavior of sea ice has become less predictable, this task has become more complex and dangerous. That is an insight shared by veteran hunters who described their observations for the Sanikiluaq Sea Ice Project. The interviews were part of a broader effort supported by the National Science Foundation that facilitates the collection, preservation, and exchange of information about environmental change as observed by indigenous communities in the Arctic. The researchers have posted interviews and labeled MODIS-based maps on a web site that detail the observations of changing ice conditions.
As we have previously reported, the timing of sea ice breakup in some parts of Hudson Bay has changed, with melting occurring a few weeks earlier in the spring. Some researchers project that future warming in this region could reduce the duration of ice-covered conditions by seven to nine weeks per year. The changes are projected to be the most pronounced in southeastern Hudson Bay.
The Belcher Islands are an archipelago in the southeast part of Hudson Bay. The Belcher Islands are spread out over almost 3,000 square kilometres (1,160 sq mi). Administratively, they belong to the Qikiqtaaluk Region of the territory of Nunavut, Canada. The hamlet of Sanikiluaq (where the majority of the archipelago's inhabitants live) is on the north coast of Flaherty Island and is the southernmost in Nunavut. (Source: Wikipedia)
Image Credit: NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response Story: Adam Voiland Instrument(s): Aqua - MODIS Release Date: June 6, 2017
June 5, 2017: The physical processes causing global sea-level rise are highlighted in this animation. The main causes are thermal expansion of oceans, as they accumulate the excess heat caused by greenhouse gas emissions, the melting of ice from the ice sheets and glaciers, as well as changes in land water storage such as lakes. Regionally, sea level changes vary quite dramatically. The reasons for this are different to the global causes of sea-level changes and include changes to sea water density, influenced by salinity and temperature.
The mass of the Greenland ice sheet has rapidly declined in the last several years due to surface melting and iceberg calving. Research based on observations from the NASA/German Aerospace Center’s twin Gravity Recovery and Climate Experiment (GRACE) satellites indicates that between 2002 and 2016, Greenland shed approximately 280 gigatons of ice per year, causing global sea level to rise by 0.03 inches (0.8 millimeters) per year. These images, created from GRACE data, show changes in Greenland ice mass since 2002. Orange and red shades indicate areas that lost ice mass, while light blue shades indicate areas that gained ice mass. White indicates areas where there has been very little or no change in ice mass since 2002. In general, higher-elevation areas near the center of Greenland experienced little to no change, while lower-elevation and coastal areas experienced up to 13.1 feet (4 meters) of ice mass loss (expressed in equivalent-water-height; dark red) over a 14-year period. The largest mass decreases of up to 11.8 inches (30 centimeters (equivalent-water-height) per year occurred along the West Greenland coast. The average flow lines (grey; created from satellite radar interferometry) of Greenland’s ice converge into the locations of prominent outlet glaciers, and coincide with areas of high mass loss.
June 1, 2017: Greenland's glaciers are hiding a secret: They're melting faster than expected. Step into the disappearing icy landscape in this 360° video from FRONTLINE, NOVA l PBS, and Emblematic Group with support from the Knight Foundation. Credit: PBS Nova Duration: 5 minutes, 29 seconds Release Date: June 1, 2017
What bizarre alien planet is this? It's planet Earth of course, seen from the International Space Station through the shimmering glow of aurorae. About 400 kilometers (250 miles) above Earth, the orbiting station is itself within the upper realm of the auroral displays. Aurorae have the signature colors of excited molecules and atoms at the low densities found at extreme altitudes. Emission from atomic oxygen dominates this view. The eerie glow is green at lower altitudes, but a rarer reddish band extends above the space station's horizon. Also visible from the planet's surface, this auroral display began during a geomagnetic storm. The storm was triggered after a coronal mass ejection impacted Earth's magnetosphere in June of 2015.
Image Credit: Scott Kelly, Expedition 44, NASA/JSC Release Date: May 13, 2017
At the edge of the sun, a large prominence and a small prominence began to shift, turn and fall apart in less than one day (May 8-9, 2017). Prominences are notoriously unstable. Competing magnetic forces pulled the plasma back and forth until they dissipated. This image was taken in a wavelength of extreme ultraviolet light.
Credit: Solar Dynamics Observatory, NASA Image Date: May 9, 2017 Release Date: May 12, 2017
May 12, 2017: On May 12, Peggy Whitson and Jack Fischer conducted a spacewalk outside the International Space Station. This was the 200th spacewalk in support of station assembly and maintenance. Prior to the outing, during their pre-breathe activities in the airlock, the spacewalkers had to share Whitson’s service and cooling umbilical (SCU), due to an issue with the SCU connected to Fischer’s suit. That device provides electricity, cooling and communications during the pre-breathe phase of a spacewalk. Despite a late start, the pair completed the primary task of replacing an avionics box that supplies electricity and data connections to the science experiments on the orbital laboratory. It was Whitson’s ninth spacewalk and the first for Fischer.
Also, Exploration Mission-1 Announcement, Future Space Station Crew Previews Mission, Humans to Mars Summit 2017, James Webb Space Telescope at JSC, and Martian New Year in Mars, PA!
Credit: NASA Duration: 4 minutes, 28 seconds Release Date: May 12, 2017
