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Earth & Space News
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Today's earth & space headlines from the sources selected by our team:

From rocks in Colorado, evidence of a 'chaotic solar system'
Plumbing a 90 million-year-old layer cake of sedimentary rock in Colorado, a team of scientists has found evidence confirming a critical theory of how the planets in our solar system behave in their orbits around the sun. The finding is important because it provides the first hard proof for what scientists call the ''chaotic solar system.'
Space & Time News -- ScienceDaily, Thu, 23 Feb 2017 05:14:24 GMT

NASA telescope reveals largest batch of Earth-size, habitable-zone planets around single star
NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.
Space & Time News -- ScienceDaily, Thu, 23 Feb 2017 05:14:24 GMT

Surprising dunes on comet Chury
Surprising images from the Rosetta spacecraft show the presence of dune-like patterns on the surface of comet Chury. Researchers have studied the available images and modeled the outgassing of vapor to try to explain the phenomenon. They show that the strong pressure difference between the sunlit side of the comet and that in shadow generates winds able to transport grains and form dunes.
Space & Time News -- ScienceDaily, Thu, 23 Feb 2017 05:14:24 GMT

Possible dark matter ties in Andromeda Galaxy
NASA's Fermi Gamma-ray Space Telescope has found a signal at the center of the neighboring Andromeda galaxy that could indicate the presence of the mysterious stuff known as dark matter. The gamma-ray signal is similar to one seen by Fermi at the center of our own Milky Way galaxy.
Space & Time News -- ScienceDaily, Thu, 23 Feb 2017 05:14:24 GMT

TRAPPIST-1: How Long Would It Take to Fly to 7-Planet System?
The discovery of seven Earth-size planets around a nearby star, TRAPPIST-1, is certainly exciting news. But what would it take to visit one of these potentially Earth-like alien worlds?
Space.com, Thu, 23 Feb 2017 05:14:25 GMT

TRAPPIST-1: System with 7 Earth-Size Exoplanets
TRAPPIST-1, a small red-dwarf star, hosts at least seven rocky planets the size of Earth and smaller.
Space.com, Thu, 23 Feb 2017 05:14:25 GMT

White Water: NASA Probes Snow's Effect on Water Resources
Snow plays an important role in Earth's water cycle, and NASA has launched a new initiative to investigate snow and its relationship to readily available liquid water.
Space.com, Thu, 23 Feb 2017 05:14:25 GMT

John Glenn's Orbital Mission Tested the Mysteries of the Human Body in Space
NASA's first orbital spaceflight 55 years ago asked big questions about the unknowns of human spaceflight — many of which we're still asking today.
Space.com, Thu, 23 Feb 2017 05:14:25 GMT

Hubble gazes into a black hole of puzzling lightness
The beautiful spiral galaxy visible in the center of the image is known as RX J1140.1+0307, a galaxy in the Virgo constellation imaged by the NASA/ESA Hubble Space Telescope, and it presents an interesting puzzle. At first glance, this galaxy appears to be a normal spiral galaxy, much like the Milky Way, but first appearances can be deceptive!
Space News - Space, Astronomy, Space Exploration, Fri, 13 Jan 2017 17:45:57 GMT

French, US astronauts install batteries outside space station (Update)
French astronaut Thomas Pesquet floated into space on his first-ever spacewalk Friday, on a mission to help upgrade the power system outside the International Space Station with new, refrigerator-sized lithium-ion batteries.
Space News - Space, Astronomy, Space Exploration, Fri, 13 Jan 2017 17:45:57 GMT

Video: Huygens' descent to Titan
On December 25, 2004, the piggybacking Huygens probe was released from the 'mothership' Cassini spacecraft and it arrived at Titan on January 14, 2005. The probe began transmitting data to Cassini four minutes into its descent through Titan's murky atmosphere, snapping photos and taking data all the while. Then it touched down, the first time a probe had landed on an extraterrestrial world in the outer Solar System.
Space News - Space, Astronomy, Space Exploration, Fri, 13 Jan 2017 17:45:57 GMT

How old is our moon?
Most scientists agree that the Earth has pretty much always had its moon. Details of the moon's composition (in particular the "isotopic mixture" of heavier and lighter versions of various elements) are too similar to the Earth's for it to have been captured from somewhere remote. However, some compositional details differ enough to rule out the idea that the moon is simply a chunk of the Earth that broke loose.
Space News - Space, Astronomy, Space Exploration, Fri, 13 Jan 2017 17:45:57 GMT

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SciCentral picks

The top 5 resources
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news coverage:


SpaceRef.com
rank:1
white line spacer SpaceFlight Now
rank:2
white line spacer Space Daily
rank:3
white line spacer Space.com
rank:4
white line spacer Universe Today
rank:5
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