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

Lull in Mars' giant impact history
From the earliest days of our solar system's history, collisions between astronomical objects have shaped the planets and changed the course of their evolution. Studying the early bombardment history of Mars, scientists have discovered a 400-million-year lull in large impacts early in Martian history.
Space & Time News -- ScienceDaily, Tue, 25 Apr 2017 15:33:01 GMT

NASA's Cassini, Voyager missions suggest new picture of Sun's interaction with galaxy
New data from three NASA missions show that the heliosphere -- the bubble of the Sun's magnetic influence that surrounds the inner solar system -- may be much more compact and rounded than previously thought.
Space & Time News -- ScienceDaily, Tue, 25 Apr 2017 15:33:01 GMT

In experiments on Earth, testing possible building blocks of alien life
Extraterrestrial life, if it exists, could use different amino acid building blocks than living things here on Earth. To better understand what alien life might look like, researchers are studying which amino acids stand up to the types of extreme conditions found on other planets and moons.
Space & Time News -- ScienceDaily, Tue, 25 Apr 2017 15:33:01 GMT

Space technologies improve surgeries back on earth
A novel surgical robotic system has been developed that provides tactile feedback and is capable of single-incision and natural orifice (incision-free) robotic surgery. The system minimizes surgical trauma and is safer than currently available robotic systems.
Space & Time News -- ScienceDaily, Tue, 25 Apr 2017 15:33:01 GMT

Sun's Magnetic Shield May Be a Bubble, Not Comet-Shaped
The sun's magnetic "sphere of influence" that surrounds our solar system is shaped like a bubble, rather than having a long, comet-like tail as many scientists previously thought, new observations suggest.
Space.com, Tue, 25 Apr 2017 15:33:01 GMT

Image of the Day
On this day in 1990, NASA's space shuttle mission STS-31 deployed the Hubble Space Telescope into orbit. The telescope was launched to capture images of the cosmos with unprecedented clarity, but a flaw in its mirror left the telescope nearsighted.
Space.com, Tue, 25 Apr 2017 15:33:01 GMT

Eta Aquarid Meteor Shower 2017: When, Where & How to See It
The Eta Aquarid meteor shower from late April to mid-May offers a long stretch of spectacular 'shooting stars' that even a casual observer can spot in the night sky.
Space.com, Tue, 25 Apr 2017 15:33:01 GMT

Trump's Exuberance for Mars Faces Technical and Fiscal Challenges
In a conversation with NASA astronauts on the International Space Station April 24, President Donald Trump called for a human mission to Mars by the end of his second term in 2024, a timeframe most in the industry do not consider feasible.
Space.com, Tue, 25 Apr 2017 15:33:01 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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for earth & space
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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