Summary: <a href="https://www.eurekalert.org/pub_releases/2017-04/e-acd040617.php">https://www.eurekalert.org/pub_releases/2017-04/e-acd040617.php</a><br> <a href="https://www.aavso.org/aavso-alert-notice-573">https://www.aavso.org/aavso-alert-notice-573</a><br> <a href="http://www.eso.org/public/news/eso1711/">http://www.eso.org/public/news/eso1711/</a><br> <a href="https://www.engadget.com/2017/04/09/japan-chikyu-drilling-ship-earth-mantle/">https://www.engadget.com/2017/04/09/japan-chikyu-drilling-ship-earth-mantle/</a><br> <br>
