Sept 2 - Webb and Exoplanet Life Signs?

September 2 Webb and Exoplanet Life Signs? by:

Artist's concept of the James Webb Space Telescope as it'll appear once it's launched to Earth-orbit in 2021. Image via Northrop Grumman/JWST. Read more. Want to see how the actual telescope looks now? Read more.

Will the Webb telescope be able to detect life signs at nearby exoplanets? The James Webb Space Telescope is Hubble's successor, due to launch in 2021. Scientists have debated the question of whether the Webb will be powerful enough to detect life signs in the atmospheres of distant exoplanets. Now a new study says, yes, the Webb will be able to analyze the atmospheres of the 7 Earth-sized planets in the TRAPPIST-1 system, 39 light-years away. Read more. Webb telescope now assembled for 1st time On August 28, NASA announced the 2 halves of the James Webb Space Telescope are now successfully connected. The telescope is being assembled at Northrop Grumman’s facilities in Redondo Beach, California. Read more. Two Friday the 13ths in 2019 Any calendar month that begins on a Sunday is bound to have a Friday the 13th. Given that September 1 fell on a Sunday this year, we can be sure that September 13 will fall on a Friday. It happens exactly 13 weeks before 2019’s second Friday the 13th in December. Read more. Altair is the bright star of the Eagle Altair is only 16.8 light-years from Earth, making it one of our closest stellar neighbors. At least 2 features of the star make it distinctive. Read more.

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Tonight … Watch for a young moon after sunset Now the moon is a fatter crescent in the west after sunset. On Monday, you'll find the moon edging up toward the star Zubenelgenubi in the constellation Libra the Scales. Read more about this fascinating star.

Arrival time of winds from Dorian View larger. | Earliest reasonable arrival time of winds from Hurricane Dorian, as of today at 5 a.m. EDT. Get the latest on Dorian from the National Hurricane Center. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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