Space X

https://www.spacex.com/

SpaceX designs, manufactures and launches advanced rockets and spacecraft. The company was founded in 2002 to revolutionize space technology, with the ultimate goal of enabling people to live on other planets.

Who is Elon Mask ?

天文月報 2019-05 : 「ひとみ」によるダークマターX線の探査

http://www.asj.or.jp/geppou/contents/2019_05.html

http://www.asj.or.jp/geppou/archive_open/2019_112_05/112-5_285.pdf

Black hole image

http://www.nao.ac.jp/news/science/2019/20190410-eht.html

史上初、ブラックホールの撮影に成功 ― 地球サイズの電波望遠鏡で、楕円銀河M87に潜む

巨大ブラックホールに迫る

https://iopscience.iop.org/journal/2041-8205/page/Focus_on_EHT