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Astronomers discover Earth-sized planet in star's habitable zone
Posted: Fri, Apr 18 6:09 AM ET (1009 GMT)
Kepler-186f illustration (NASA) Astronomers announced Thursday the discovery of a planet approximately the size of the Earth orbiting in the habitable zone of its star. The planet, Kepler-186f, is near the outer edge of the habitable zone of the M-class star it orbits. The planet is about 10% larger than the Earth based on its radius, but astronomers noted they do not know the planet's mass, and thus its density. The planet is the first world about the size of the Earth found in a planet's habitable zone, although scientists cautioned that does not mean the planet is Earth-like since it receives only about one-third the flux from its star as the Earth does from the Sun. Astronomers detected the planet in transits observed by NASA's Kepler spacecraft; observations by the Gemini and Keck telescopes ruled out other phenomena, like a background star or stellar companion, that could have caused a signal like that detected by Kepler.

SS/L to build two JSAT satellites
Posted: Fri, Apr 18 5:48 AM ET (0948 GMT)
JCSat-15 and 16 illustration (SS/L) Space Systems/Loral (SS/L) has won a contract from a Japanese company to build two direct broadcasting satellites, the companies announced Thursday. SS/L will build the JCSat-15 and JCSat-16 satellites for Sky Perfect JSat for launch in 2016. JCSat-15 will replace the existing N-SAT-110 satellite at 110 degrees east in GEO, which provides direct to home television broadcasts to Japan for the Sky PerfectTV! service. JCSat-16 will serve as an on-orbit spare for the company's satellite fleet. Both spacecraft are based on SS/L's 1300-series bus. Terms of the contracts were not disclosed.

Soyuz launches Egyptian satellite
Posted: Thu, Apr 17 6:42 AM ET (1042 GMT)
A Soyuz rocket successfully launched an Egyptian remote sensing satellite on Wednesday. The Soyuz-U rocket lifted off from the Baikonur Cosmodrome at 12:20...

Cassini images show potential formation of new moon of Saturn
Posted: Wed, Apr 16 5:41 AM ET (0941 GMT)
Images from NASA's Cassini spacecraft show what scientists believe may be the formation of a tiny new moon on the edge of the Saturn'...

NASA and SpaceX reach agreement on Pad 39A lease
Posted: Tue, Apr 15 7:10 AM ET (1110 GMT)
NASA and SpaceX announced Monday that they have signed an agreement to lease Pad 39A at the Kennedy Space Center to SpaceX. The organizations said...

Friday, April 18
NASA's Moon-Orbiting Robot Crashes Down
AP — 8:03 am ET (1203 GMT)
Earth-sized exoplanet discovery
NSF — 5:30 am ET (0930 GMT)
Grasshopper's successor flies at SpaceX's McGregor site
Waco (TX) Tribune-Herald — 5:27 am ET (0927 GMT)
SpaceX could soar in South Texas
McAllen (TX) Monitor — 5:26 am ET (0926 GMT)
How the U.S. Is Vulnerable to Terrorism in Space
National Journal — 5:26 am ET (0926 GMT)
Earth-sized planet found orbiting in a habitable zone
Los Angeles Times — 5:20 am ET (0920 GMT)
Timeline: The privatization of space exploration
Al Jazeera America — 5:19 am ET (0919 GMT)
Theater company teams with ASU scientists on 'Red Planet Respite'
Arizona State Univ. — 5:18 am ET (0918 GMT)
UAE's role in the new space race
Arabian Business — 5:15 am ET (0915 GMT)
Meet the Israelis Looking to Arrive on Mars
Shalom Life — 5:14 am ET (0914 GMT)
New planet discovered that just might hold life
San Francisco Chronicle — 5:10 am ET (0910 GMT)
Boulder scientists celebrate discovery of most Earth-like planet yet
Boulder Daily Camera — 5:09 am ET (0909 GMT)
US firm is taking space tourism to luxurious new heights
South China Morning Post — 5:09 am ET (0909 GMT)
Purdue students pitch moon colony plan to NASA
Lafayette (IN) Journal and Courier — 5:04 am ET (0904 GMT)
Earth-like planet found in ‘habitable zone’
Deutsche Welle — 5:00 am ET (0900 GMT)
Solar Power Satellites: A Visual Introduction
Wired News — 4:59 am ET (0859 GMT)
SpaceX to try launch again
Galveston Daily News — 4:57 am ET (0857 GMT)

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