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Finding Another Earth. A scene from 'Star Wars: The Force Awakens.' Credits: Disney The glittering city lights of Coruscant, the Star Wars core world, might have evolved on an older, near Earth-size planet like Kepler-452b. This real-life Earth cousin exists in a system 1.5 billion years older than Earth, giving any theoretical life plenty of time to develop an advanced technological civilization. Credits: NASA/Ames/JPL-Caltech Molten exoplanet CoRoT-7b is a good analog for the Star Wars sizzling lava planet Mustafar. While you won’t see any lightsaber duels on CoRoT-7b, the planet’s temperature of 3,600 degrees Fahrenheit (1,982 Celsius) isn’t far off from the fictional magma mining station. Credits: ESO/L. Fictional Hoth is a frozen tundra that briefly serves as a base for the hidden Rebel Alliance. Credits: NASA, ESA and G. Years before science discovered planets orbiting two stars, Star Wars showed Luke Skywalker facing a twin sunset on his home world Tatooine.

Credits: NASA/JPL-Caltech A more ancient Earth? Edmonton, Alberta, Canada. The Northern Lights. Chris Hadfield talks Bowie, Shatner and our obsession with space pee. Having seen Canada with his own eyes — all of it, from space — Chris Hadfield is emboldened with a holistic concept of our nation. “I’ve had a chance to look at it from a perspective most people haven’t,” says the retired Canadian Space Agency astronaut over the phone, “and I don’t mean that facetiously. “I’ve been across it thousands of times in spaceships, seen the whole thing coast-to-coast in eight minutes. But I’ve also, as an astronaut, had a chance to live in different provinces, visit so many communities, speak in so many schools — and maybe think about it in a little different way.” Mining this perspective, Canada’s first space commander and the first of us to walk in space is travelling the nation for Chris Hadfield’s Canada 150 Tour, offering his perspective in story and song — including the cover of David Bowie’s Space Oddity he famously sung while orbiting on the International Space Station.

The 57-year-old’s sold-out show at the Winspear Centre is Monday night. @fisheyefoto. 26 Jaw-Dropping Images of Our Planet by NASA. What A Year In Space Does To The Human Body. International Space Station (ISS) crew member Scott Kelly of the U.S. shows a victory sign after landing near the town of Dzhezkazgan, Kazakhstan, on Wednesday, March 2, 2016. (Krill Kudryavtsev/AP) After 340 consecutive days in space, Commander Scott Kelly’s return to normal activity on Earth will be gradual. Life in space takes a toll on the human body, changing a person’s eyesight, affecting memory and motor control. A major part of Kelly’s mission is to help NASA get a better understanding of those changes so that it may find out what future astronauts might experience on the long journey to Mars. Sharon Begley of STAT speaks with Here & Now’s Jeremy Hobson about what NASA hopes to learn. Read more via STAT Guest Sharon Begley, senior science writer at STAT.

Watch Full Episodes Online of A Year in Space on PBS. Use one of the services below to sign in to PBS: You've just tried to add this video to your Watchlist so you can watch it later. But first, we need you to sign-in to PBS using one of the services below. You’ll be able to manage videos in your Watchlist, keep track of your favorite shows, watch PBS in high definition, and much more! You've just tried to select this program as one of your favorites. To get you watching PBS in high definition we need you to sign-in to PBS using one of the services below. You'll be able to manage videos in your Watchlist, keep track of your favorite shows, watch PBS in high definition, and much more!

Don’t have a PBS Account? Creating an account is free and gets you: Access to High-Definition streamingA personal area on the site where you can access: Favorite ShowsWatchlistViewing HistoryEarly access to exciting new features. A 955-Mile Dwarf Planet Found in our Solar System. Intl. Space Station (@Space_Station) | Twitter. Fallen Astronauts Honored on Day of Remembrance. In the first-ever commercial air flight, Tony Jannus, right, pilots a flying boat in a flight across Tampa Bay on Jan. 1, 1914. The paying passenger, Abram Pheil, left, flew from St. Petersburg to Tampa, Florida, in 23 minutes. Credits: State Archives of Florida The Douglas Aircraft Co. DC-3 is often viewed as the aircraft that revolutionized air transport for passengers and cargo.

The military version was designated the C-47, affectionately known as the "Gooney Bird. " Credits: U.S. Prior to 1940, passenger aircraft only flew as high as 10,000 feet, due to the reduced levels of oxygen at higher altitudes. Credits: State Library and Archives of Florida Toward the end of World War II, jets ushered in a new age in aviation. Credits: NACA Derived from the Boeing 707 passenger jet, the E-3 Sentry is an airborne warning and control system aircraft that provides all-weather surveillance, command, control and communications needed by commanders of U.S. and NATO air defense forces.

Credits: U.S. Twitter. Space Station Images. Space Station Images. Twitter. In Focus: Famous Firsts In Space. In this handout provided by NASA, Expedition 46 Commander Scott Kelly... News Photo. Watching @StationCDRKelly undock tonight made me nostalgic. Here is a #timelapse I took in 2014. So beautiful. Large lightning strike on Earth lights up or solar panels. LIVE - LIFTOFF 5 of the #SoyuzTMA18M launch to the #ISS carrying Aimbetov @Volkov_ISS & @Astro_Andreas. Orange you glad the #HTV5 cargo ship arrived? @astro_kjell corrals new supply of fresh fruit. "ISS Imaged From My Backyard" I accidentally captured the ISS when taking photograph of my friend. Retired Space Shuttle Endeavour flying over my hometown, Austin, TX, on Sep 21, 2012. What an amazing flying machine.

Kazakh cosmonaut to replace Brightman on space station trip. Sen—A 43-year-old Kazakh cosmonaut, Aidyn Aimbetov, will replace British singer Sarah Brightman on a trip to the International Space Station (ISS) in September, Russian officials announced Monday. Aimbetov will join a three-member crew of the Soyuz TMA-18M spacecraft, following Brightman's withdrawal from training for the flight. The team also includes the Russian commander Sergei Volkov and Danish astronaut Andreas Mogensen, representing the European Space Agency (ESA). Soyuz TMA-18M is currently scheduled for launch on Sept. 1, 2015. After arrival at the station, Sergei Volkov will replace Gennady Padalka who will complete a more than five-month stay aboard the ISS. One Soyuz always stays docked at the station to provide evacuation for a three-member crew, and two lifeboats are parked at the outpost when a full six-person crew is onboard. The former Soviet cosmonat Talgat Musabaev, who became a Kazakh citizen, flew three missions onboard the Russian spacecraft in 1994, 1998 and 2001.

Congratulations, @AstroTerry @AstroSamantha and @AntonAstrey for a great mission and safe return! #ISS #Soyuz #Exp43. GoPro Footage From U.S. Spacewalk #31. WATCH LIVE TONIGHT: Dark Matter Lecture, 1-Year Astronaut Scott Kelly Returns to Houston. SpaceX will launch its robotic Dragon cargo capsule at 12:45 a.m. EDT (0445 GMT) Monday (July 18), then try to land the first stage of its Falcon 9 rocket back on terra firma. Watch all the action live in the window below beginning at 11:30 p.m. ET Sunday (July 17; 0330 GMT Monday), courtesy of NASA TV: From NASA: "NASA provider SpaceX is scheduled to deliver scientific research, crew supplies and hardware on its ninth Commercial Resupply Services mission to the International Space Station Monday, July 18.

The SpaceX Dragon cargo spacecraft is scheduled for liftoff on the company's Falcon 9 rocket at 12:45 a.m. SpaceX to Launch Vital New Spaceship Docking Port for Space Station Approximately 10 minutes after launch, Dragon will reach its preliminary orbit, deploy its solar arrays and begin its two-day voyage of carefully choreographed thruster firings to reach the space station. Live coverage of the rendezvous and capture will begin at 5:30 a.m. From NASA: New Virgin Galactic SpaceShipTwo to Debut. Sixteen months after a fatal test flight destroyed its first spaceship, Virgin Galactic on Friday is unveiling a second vehicle intended to fly paying passengers into suborbital space.

From the outside, the new spaceship resembles the fleet leader, which broke apart over Mojave, California, on Oct. 31, 2014, during its fourth powered test flight. Co-pilot Michael Alsbury, who worked for SpaceShipTwo designer and manufacturer Scaled Composites, was killed in the accident. Pilot Pete Siebold managed to parachute to safety. ANALYSIS: Virgin Galactic SpaceShipTwo Crash: What We Know Virgin Galactic had already had taken over manufacturing and testing of future ships, a plan that was accelerated after the accident, Will Pomerantz, vice president of special projects, told Discovery News.

The new spaceship includes dozens of upgrades, some planned before the accident to ease commercial operations and reduce costs, some added as a result of the accident investigation. Weather. In early spring in the Northern Hemisphere, what might appear as city lights on the horizon is actually a hard-to-spot astronomical phenomenon. This glow is known as zodiacal light, and we're nearing the season for it. Zodiacal light (named for the Zodiac, or pathway of the sun across the sky) appears as an unusual triangle or pyramid, sparkling just above the horizon shortly after sunset. At first glance, the light can resemble the glow other sources, such as light pollution or the stars, can cast.

But it's actually sunlight reflecting on "interplanetary dust particles” from comets, asteroids and even the creation of the planets in our solar system, according to NASA resources. These “dust grains,” as EarthSky.org names them, emanate from the sun in a flat disc, the same space the planets of the solar system occupy. But too often factors from Earth distort our view of these interplanetary particles, and the "counterglow" from the sun known as gegenschein. With that, happy hunting. ORBCOMM-2 Full Launch Webcast. LRO Images. LRO Videos. Twitter. Fly me to the #moon | Photography by ©Bernal Saborio. I love this picture! London from above □□ #london. After further data review, stage landed softly but leg 3 didn't lockout. Was within 1.3 meters of droneship center.

Pluto probe sends back photos of possible ice volcano. EPIC video of sunlit ‘dark side’ of moon crossing over Earth revealed by NASA. NASA has released spectacular footage of the “dark side” of the moon – fully illuminated – as the Earth’s natural satellite was moving across the sunlit side of our planet. The unique shots were captured by the Deep Space Climate Observatory. Taken by the Earth Polychromatic Imaging Camera (EPIC), the images show a unique view of our planet and the moon from one million miles away. The capture of this rare spectacle was made possible due to the orbiting trajectory of the DSCOVR satellite that is positioned between the Sun and the Earth, giving it the capability to see the far side of the moon. “It is surprising how much brighter Earth is than the moon,” said Adam Szabo, DSCOVR project scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

“Our planet is a truly brilliant object in dark space compared to the lunar surface.” The series of images taken on July 16 were compiled into GIF animation that depicts the moon flying over the North America and the Pacific Ocean. SpaceX plan vs reality: Satellite launched, ocean platform landing botched. The private spaceflight company SpaceX has launched a reusable rocket that is supposed to deliver a NASA ocean-monitoring satellite into low-Earth orbit. However, the audacious plan to land the rocket on a platform at sea in the Pacific Ocean did not go as smoothly as planned. SpaceX failed to land the Falcon 9 rocket on the platform, despite the first stages of the launch being successful, the company officials said. The touch-down must have been “hard,” since the rocket’s landing leg broke. The Space X Flacon 9 rocket took off with the Jason-3 satellite from California's Vandenberg Air Force Base at 10:42 a.m.

PST (1842 GMT), as planned. Jason-3 will continue the research started in 1992 by measuring the topography of the ocean floor which could help forecast weather patterns, predict hurricane intensity and basically monitor Earth’s climate. It took an hour to deploy the satellite before it finally reached low-Earth orbit. Twitter. Twitter. ?. Scott Kelly (@StationCDRKelly) | Twitter. Possible ice volcano spotted on the surface of Pluto from @NASANewHorizons composite image.

1 HOUR of AMAZING HQ SPACE VIDEO - The BEST of Discovery Space. The View from Space - Countries and Coastlines. HOW IT WORKS: The International Space Station (1080p, 60fps) Breathtaking New Images of the MOON. South Korea's first astronaut discusses her historic mission. A look back at #science on the International Space Station in 2015. Cassini Top 10 Images and Science Results of 2015. Jan. 05, 2016 Saturn's rings and Enceladus Cassini Top 10 Images and Science Results of 2015 As the Cassini science team members look forward to a great 2016 and beyond, here's a look back at their top 10 images of 2015. Click on the arrows or thumbnails above to see them all, and for a short description, click on the "i" icon on the right.

As Cassini enters its final 20 months before its plunge into Saturn, the mission’s science team has selected their top 10 images from 2015, a year of historic discoveries. 1. Global Ocean Beneath Enceladus’ Surface Titan Observed Outside of Saturnian Magnetosphere Density of A Ring Particles May Indicate Recent Origins Titan Southern Polar Ice Cloud • Scientists have detected a monstrous new cloud of frozen compounds in Titan’s low- to mid-stratosphere – a stable atmospheric region above the troposphere, or active weather layer. • A large cloud, first seen in 2012 at higher altitudes, turned out to be just the tip of the iceberg. Curtain Vents on Enceladus? Study: Lunar Colonization Could be Surprisingly Cheap — But There’s a Catch. NASA could dramatically cut the cost of returning humans to the moon if it is willing to mine and sell the moon's natural resources, according to a study commissioned by the agency.

The Space Frontier Foundation-penned study encourages NASA to mine the moon's hydrogen for the "commercial production of cryogenic propellant". The report estimates that there are 10 billion cubic meters of water on the moon's poles -- equivalent to Utah's Great Salt Lake. The mining operation could potentially reduce the cost of sending humans to the moon by 90%. First, however, NASA must send robotic scouts to confirm that the polar water is even harvestable.

"This will be a complex operation requiring a period of growth, trial and error, failure, repair, and maintenance as the process matures in operations and procedures," the report concedes. Click here to read the full report Learn more about lunar colonies: NASA has a identified one major way to save money while establishing a colony on the moon >> NASA Reaches New Heights in 2015.

Using color to look at Pluto can help make new discoveries, like that of water ice. See how. In 2015, the @Space_Station saw 7 spacewalks, 8 cargo ships & 450 experiments. Catch up on #SpaceToGround. #Today in 1968, the Apollo 8 astronauts became the first humans to orbit the Moon. Seven Billion Dreams. "enorme prominencia Lift-Off" de Paolo Porcellana, Italia. Did you get a new smartphone or device today? Download our free e-Books & enjoy the read.

Space-Age Santa Claus: Montage of pics by @CassiniSaturn shows the north pole on #Enceladus. Burning Fireball Lights up Vegas Sky. A mysterious ball of light soared over the Las Vegas skyline Tuesday evening, and before you ask -- no, it wasn't the same object the NORAD will be tracking later this week. In a Facebook post, the United States Strategic Command explains that the flash of light was actually a Russian SL-4 rocket body burning up as it re-entered Earth's atmosphere. The flaming junk, which first appeared around 6:00 p.m. local time, was visible across parts of Nevada and California. Dazzled stargazers throughout the region took to social media to share their accounts of the unexpected show: There are more than 21,000 pieces of space debris larger than 4 inches across currently orbiting Earth. As part of its Space-Track.org initiative, the USSC maintains a comprehensive database of 16,000 of these "on-orbit cataloged objects," tracking their movement until they burn up.

Related: Space Junk Goes Out in a Blaze of Glory. A Bright Light Just Streaked Across The Sky Over California And Nevada. @247razz No ring, but cool effect. When @NASA explores deep space, they get power from Pu-238. @ORNL makes fuel for the future. The Falcon 9 first stage landing is confirmed. Second stage continuing nominally. All 11 @ORBCOMM_Inc satellites have been deployed in nominal orbits. Long exposure of launch, re-entry, and landing burns.

Success! SpaceX lands rocket after takeoff - Dec. 21, 2015. Falcon 9 First Stage Landing | From Helicopter. The SpaceX rocket went up. For the first time, it came down gently for a successful landing. Another view of Falcon 9 first stage approaching Landing Zone 1. Falcon 9 standing on LZ-1 at Cape Canaveral. Background on Tonight's Launch. There and back again. .@CassiniSaturn spacecraft transmits data from final close flyby of Saturn’s moon Enceladus. Watch SpaceX launch and land a rocket, and see how the world reacted. Insight Blog | Lift-off for a new era of UK human spaceflight? Underwater Life Of Poda Island, Thailand | Photography by ©Dmitry Laudin. Hubble Views a Lonely Galaxy.