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== www.amassdenver.com Science News - Exoplanets 25 == <p>Breakthrough Starshot,<a href=" " target="_blank">amass denver< a>, a group funded by Russian entrepreneur Yuri Milner, wants to do just that. In April the group announced a plan to put $100 million toward developing technology that would send a fleet of nanocraft — robotic probes weighing just a few grams — toward Alpha Centauri, nudging them along with an Earth-based 100 gigawatt laser. Accelerating to roughly 20 percent the speed of light, the armada would arrive at Alpha Centauri about 20 years after launch. In comparison, the fastest spacecraft ever to leave Earth — the New Horizons mission to Pluto — would need roughly 90,<a href=" " target="_blank">cheap jordans online< a>,000 years to complete the journey, traveling at its current speed of about 52,000 kilometers per hour.< p><p>“The discovery is likely to energize the project,” says Harvard University astrophysicist Avi Loeb, chairman of Breakthrough’s advisory committee. “A spacecraft equipped with a camera and various filters could take color images of the planet and infer whether it is green (harboring life as we know it), blue (with water oceans on its surface) or just brown (dry rock).” < p><p>If anything is alive on Proxima b, it’s probably quite different from anything on Earth. Photosynthesizing organisms would have to deal with a faint, cool star that emits mostly infrared light. Proxima Centauri is also known for exuberant flares, which would buffet any orbiting planets with bursts of ultraviolet radiation and X-rays. “Conditions on such a planet would be very interesting for life,” says Lisa Kaltenegger,air jordans for cheap, an astrophysicist at Cornell University.< p><ul> <li><a href=" " target="_blank">cheap jordan shoes Prince the Pigeon Her Beak Was< a>< li> <li>air jordans for cheap Pantsuit Nation divided by b< li> <li><a href=" " target="_blank">air jordans for cheap Brooklyn Girl Paralyzed in S< a>< li> < ul> == cheap jordans online The universe according to Pla == the distribution of matter when the universe was 380,000 years old. At that time the initial cosmic fireball receded,<a href=" " target="_blank">cheap jordan shoes< a>, allowing radiation to flow freely through space. Patterns within the cosmic microwaves provide clues to the history of the universe,<a href=" " target="_blank">< a>, including the formation of galaxies and their growth into huge structures. Planck data will also help pin down even more precisely various properties of the cosmos, such as how old it is and what mix of various forms of matter and energy it is made of.< p> <p>In the Planck map, the white and blue areas represent foreground interference from the Milky Way and other galaxies; that data must be subtracted before the primordial microwaves (represented by the yellow and reddish portions of the image) can be fully analyzed. Do not attempt to analyze the visible portion of the primordial microwaves on your own, though. 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The innermost planets receive several times as much energy from their star as Earth does from our sun,<a href=" " target="_blank">cheap air jordans< a>, which technically puts them outside the star’s habitable zone (<em>SN: 4 30 16, p. 36< em>). But the planets are huddled up so close to the star that gravity might keep them from spinning, creating a temperate zone along the line where day turns to night, the researchers suggest.< p><p>Faint red stars such as this one are the best place to look for warm rocky planets, says Nicolas Cowan, an astronomer at McGill University in Montreal. Planets, even small ones, are easier to see around these dim bulbs rather than sunlike stars. NASA’s planet-hunting Kepler space telescope has already shown that planets exist around similar stars,<a href=" " target="_blank">cheap jordans online< a>, but those are too far away to investigate further. “This [study] finds a nearby example,” says Cowan.< p><p>Being nearby is important for studying the atmospheres of such worlds, or learning whether they have atmospheres at all. They may not. Red dwarf stars take a long time to form; planets arise while their sun is still a puffy, temperamental ball of contracting gas. “That might bake off all the water and the atmosphere,” Cowan says. Astronomers won’t know,<a href=" " target="_blank">cheap retro jordans< a>, though, until they point some big telescopes toward these worlds.< p><p>The Hubble Space Telescope might be able to get<ul> <li>cheap jordans High School Baseball - Baltimore Sun< li> <li><a href=" " target="_blank">amass denver New Jersey ISIS Supporter Admits Terr< a>< li> <li><a href=" " target="_blank">cheap jordans online Anthony, Knicks Enjoy Easy 10< a>< li> < ul> == www.amassdenver.com Ashley Yeager Science News 1 == Magazine In the Dec. 24 Jan. 7 SN : The top 10 science stories of 2016, the year’s failures in particle physics, the rise of new infections, challenges for self-driving cars and much more. Current Issue Comet 67P, Rosetta spacecraft cozy up to the sun Comet 67P is shooting off brilliant jets of gas and dust as it swings in close to the sun, giving scientists clues to the space rocks chemical composition. 1 year ago Rethinking which cells are the conductors of learning and memory Brain cells called glia may be center stage when it comes to learning and memory,<a href=" " target="_blank">cheap jordans online< a>, recent research suggests. 1 year ago Fossils illustrate evolution of life Paleontologist Donald Prothero takes readers through the evolution of life on Earth from the earliest oozes of goo to our recent relative Lucy. 1 year ago Ice flows,cheap air jordans, haze offer more clues to Pluto’s geology New Horizons’ latest data reveal more hints about Pluto’s shrinking atmosphere and possible underground ocean. 1 year ago First craters on Mars spotted 50 years ago Fifty years ago, Mariner 4 revealed that the Red Planet was peppered with craters. 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