NASA’s WFIRST probe faces cost crisis
by José Joaquin Galánmiércoles, junio 14, 2017
An illustration of the Wide-Field Infrared Survey Telescope WFIRST, which is scheduled to launch in 2025. Credit: NASA GSFC/CI Lab. ...Read More
Reviewed by José Joaquin Galán
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miércoles, junio 14, 2017
Rating: 5
A Perseid on the far right near the Pleiades Cluster This Perseids meteor shower with a ZHRmax 150 during the August 11-12 night...