SpaceTime with Stuart Gary Series 19 Episode 61 - OSIRIS-REx Is Go!
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Hi every one...Stuart here with the show notes for episode 61....and don't forget you can see enhanced show notes including pictures to accompany this episode at http://www.bitesz.com/spacetime-show-notes
*All system’s go for NASA’s mission to a potentially deadly asteroid The final countdown is underway for tomorrow’s launch of NASA’s OSIRIS-REx spacecraft on a seven year journey to visit the potentially deadly Near Earth Asteroid Bennu. The half kilometre wide space rock has a 1 in 2500 chance of impacting the Earth in the 22nd century
*Has the alien megastructure star mystery been solved? Astronomers think they may finally have solved the mystery surrounding a weird erratically flickering and dimming star -- whose strange behaviour -- sparked speculation that it could have been our first sign of an advanced alien civilization. Astronomers now think that what they’re actually seeing is a new stage of stellar evolution in newly formed stars.
*Mystery SETI signal earthly rather than alien A mystery signal detected by Russian astronomers working for SETI Search for Extraterrestrial Intelligence has been identified as human rather than alien in origin. After additional processing and analysis, astronomers think the signal is most probably terrestrial in origin.
*Annular solar eclipse over Africa Africa played centre stage on the morning of September first to a spectacular annular solar eclipse with the Moon passing directly in front of the Sun giving the appearance of leaving a ring of fire over the continent for several seconds. The eclipse was annular rather than total because the Moon was a bit further away from the Earth and so didn’t cover all of the Sun’s face.
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