Teri Billy

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Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince George of Cambridge pose for an official family portrait at Kensington Palace, ahead of their tour to Australia and New Zealand, with their pet dog Lupo on March 18, 2014 in London. Photograph by Jason Bell—Camera Press/Getty Images (@gettyimages)

As seen on #Cosmos: This image shows a composite view of the Crab nebula, an iconic supernova remnant in our Milky Way galaxy, as viewed by the Herschel Space Observatory and the Hubble Space Telescope. Herschel is a European Space Agency (ESA) mission with important NASA contributions, and Hubble is a NASA mission with important ESA contributions. A wispy and filamentary cloud of gas and dust, the Crab nebula is the remnant of a supernova explosion that was observed by Chinese astronomers in the year 1054. The image combines Hubble's view of the nebula at visible wavelengths, obtained using three different filters sensitive to the emission from oxygen and sulphur ions and is shown here in blue. Herschel's far-infrared image reveals the emission from dust in the nebula and is shown here in red. While studying the dust content of the Crab nebula with Herschel, a team of astronomers have detected emission lines from argon hydride, a molecular ion containing the noble gas argon. This is the first detection of a noble-gas based compound in space. The Herschel image is based on data taken with the Photoconductor Array Camera and Spectrometer (PACS) instrument at a wavelength of 70 microns; the Hubble image is based on archival data from the Wide Field and Planetary Camera 2 (WFPC2). Image credit: ESA/Herschel/PACS/MESS Key Programme Supernova Remnant Team; NASA, ESA and Allison Loll/Jeff Hester (Arizona State University) #nasa #space #universe #crabnebula #nebula #milkyway #herschel

The sun emitted a significant solar flare, peaking at 1:48 p.m. EDT March 29, 2014, and NASA's Solar Dynamics Observatory captured images of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel. This flare is classified as an X.1-class flare. X-class denotes the most intense flares, while the number provides more information about its strength. An X2 is twice as intense as an X1, an X3 is three times as intense, etc. This image blends two wavelengths of light: 304 and 171 Angstroms, which help scientists observe the lower levels of the sun's atmosphere. Image Credit: NASA/SDO #nasa #flare #solarflare #heliophysics #sun #solar #sdo #nasasdo

There are three low pressure systems around the U.S. and they resemble dragons on satellite imagery. NOAA's GOES-13 and GOES-15 satellite image from March 31, 2014 shows the low pressure systems in the eastern Pacific Ocean, over the nation's Heartland, and in the eastern Atlantic Ocean. All three lows have the signature comma shape that make them appear to be curled up dragons. According to the National Weather Service, the low pressure area approaching the northwestern U.S. is expected to bring rainfall to the coast and areas of snow that stretch from western Washington state south toward the four corners region. The low in the middle of the country is located over Nebraska and dropping snow to the north and west of it. That same low is bringing rain from southern Minnesota south to eastern Texas. Meanwhile, the third low pressure system is bringing rain and snow to parts of New England. NOAA's GOES-East satellite sits in a fixed orbit in space capturing visible and infrared imagery of all weather over the eastern U.S. and Atlantic Ocean. The data to create this image was taken on March 31, 2014 at 17:45 UTC/1:45 p.m. EDT by NOAA's GOES-East or GOES-13 satellite and made into an image by NASA/NOAA's GOES Project at NASA's Goddard Space Flight Center in Greenbelt, Md. Image Credit: NASA/Caption: Rob Gutro #nasa #earth #earthpics #earthpix #goes #noaa @noaa

Sunset, Ipanema beach. #rio #beach #sunset

Photo @ladzinski - It's a long way down for a drink if you're a giraffe. This lone elderly male had to be extra careful, scouting for predators before making the slow dip down. The giraffe has the largest heart of any land mammal which is necessary for pushing blood to the brain quickly and keeping the animal from fainting, for instance after a drink when it rapidly brings it's head back up in mere seconds, which would result in fainting for nearly any other animal. @3stringsproductions

A magnificent view, looking out onto the Great Wall of #China. Over 2,000 years old, the wall has seen many uses, such as serving as a line of defence, an important link on the #SilkRoad and a transport route across mountainous terrain, prior to becoming an attraction sought out by those who love to #travel. Image snapped by LP staffer @gusbalbontin as he took some time out to travel around #China, whilst recently visiting the #LP office in #Beijing. For those who have Mandarin as their first language / are based in China, look us up on Sina Weibo. #LonelyPlanet #travel

By @jonasbendiksen From my story Last of the First Skiers that was in National Geographic this winter.

One more blast of winter. #snow #april

Photo by @jimmy_chin Sometimes half the job is making yourself at home when your far from it. #homeawayfromhome w @sherpascinema. Bella Coola, British Columbia. @thephotosociety

Seascape. #noir #nswcoast #bnw #sandbar #myalllakesnp

Pictures of the Week 4.4.14

@paulnicklen on assignment for @natgeo. # flashback Fridays. An Emperor Penguin flies high out of the water with a belly full of food for its chick. I shot over 12,000 images of this one situation over and over and over again during my 4 week stay on the Ross Sea. #pictureoftheday #antarctica @instagram @natgeocreative #penguin.