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

An X-ray spectroscopic search for dark matter and unidentified line signatures in the Perseus cluster with Hitomi

https://academic.oup.com/pasj/advance-article/doi/10.1093/pasj/psz023/5420423?searchresult=1

Published:

 27 March 2019

https://arxiv.org/abs/1811.05767

https://ui.adsabs.harvard.edu/abs/2019PASJ..tmp...42T/abstract

Cosmological Constraints from the First-Year Hyper Suprime-Cam

3D dark matter map from Subaru/HSC.

Hikage et al. 2019
https://ui.adsabs.harvard.edu/#abs/arXiv:1809.09148

https://subarutelescope.org/Pressrelease/2018/09/25/index.html

パリティ 2019-2
日影千秋
http://pub.maruzen.co.jp/book_magazine/magazine/parity-back/parity2019/2019_02/1902_cont.html

First There Were Microbes. Then Life on Earth Got Big.

https://www.nationalgeographic.com/magazine/2018/03/brief-history-life-evolution-fossils-biology/

How did life go from tiny organisms to large, complex creatures? Scientists see clues in fossils from as far back as 570 million years ago.

BY DAVID QUAMMEN

https://natgeo.nikkeibp.co.jp/atcl/gallery/032000195/index.html?P=5
生命が複雑になったとき

生命はいかにして単純な微生物から、大きくて複雑な生物へと進化したのか。カナダやオーストラリアで発掘された5億7000万年前の化石に、その手がかりがありそうだ。

Oumuamua

the first interstellar object
by 
https://www.ifa.hawaii.edu/research/Pan-STARRS.shtml

Interesting idea by A. Loeb.

https://blogs.scientificamerican.com/observations/6-strange-facts-about-the-interstellar-visitor-oumuamua/


https://news.harvard.edu/gazette/story/2018/11/harvard-researchers-see-alien-potential-in-mysterious-object/

ApJ Letter 2018

Could Solar Radiation Pressure Explain ‘Oumuamua’s Peculiar Acceleration? 

http://iopscience.iop.org/article/10.3847/2041-8213/aaeda8/pdf