Astronauts head to the International Space station, while a damaged launchpad is refurbished; scientists ponder methane on Mars and the declining output of geysers on Saturn's moon Enceladus, and a physicist tries to determine if a "Star Wars"-esque lightsaber is something you could build in the real world. Here are the best space stories for the week of Dec. 14 to Dec. 18.
And away they go…
Where's my lightsaber?
Can the weapon of choice for a "Star Wars" Jedi ever become reality? Dan Lincoln, a senior scientist at Fermi National Accelerator Laboratory, weighs in on the feasibility of such of a real-world lightsaber. [Full Story: Is a Real Lightsaber Possible? Science Offers a New Hope]
The Chinese central bank has printed a run of commemorative bills and coins that feature images of Chinese spacecraft. The 100-yuan bill and 10-yuan coin are intended to celebrate the country's 45-year history of space launches. While the bills and coins are legal-tender, they are not intended for circulation. [Full Story: China Celebrates Its Spaceflight History on New Banknote and Coin]
A relatively small star is releasing massive bursts of radiation, 10,000 times brighter than flares released by the sun. Scientists say this much radiation could seriously disrupt the formation of life on nearby planets. [Tiny Star Shoots Out Flares 10,000 Times Brighter Than the Sun's]
Are the alien planets in "Star Wars" anything like real planets discovered by scientists? Is "hyperspace" a real thing? When can you get a speeder bike like Rey's from "The Force Awakens"? For answers to these questions and more, check out this article. [Full Story: 'Star Wars' Tech: 8 Sci-Fi Inventions and Their Real-Life Counterparts]
The stunning, wispy geysers on Saturn's moon Enceladus have slowed down since they were first spotted in 2005, a new study shows. The geyser's output has dropped about 30 to 50 percent, and scientists aren't sure why. [Full Story: The Geysers on Saturn's Moon Enceladus Are Mysteriously Losing Steam]
The New Horizons Probe continues to send back amazing images and information about the beloved ice dwarf Pluto. In the newest reveal, scientists have identified a deeply pitted region between the al-Idrisi mountains and the flat plane of Tombaugh Regio. [Full Story: Incredible New Photos Reveal Pluto's Pits and Other Terrain]
Winter "officially" begins in the Northern Hemisphere next week, with the arrival of the December solstice, or the moment when the sun is at its southern-most point in the sky. The solstice occurs at exactly 11:48 p.m. EST on Dec. 21 (which is 0448 GMT on Dec. 22). [Full Story: Ring in the New Season — December Solstice Happens Next Week]
Follow Calla Cofield @callacofield.Follow us @Spacedotcom, Facebook and Google+. Original article on Space.com.
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