Mars’s core has been measured — and it’s surprisingly large

Mars becomes the first inner planet after Earth to have the size of its core estimated with seismology.
— Read on www.nature.com/articles/d41586-021-00696-7

Space tourism: How the collapse of the Soviet Union aided the birth of paid space travel – The Washington Post

Western billionaires may be taking the lead now, but it was a cash-strapped Russian space agency that opened the door.
— Read on www.washingtonpost.com/world/2021/07/20/space-tourists-russia-soviet/

50 Years Later, the Soviet Union’s Luna Program Gets a Reboot

Luna 25, Russia’s latest lunar mission, hopes to revive one of the greatest space programs in human history.
— Read on www.popularmechanics.com/space/moon-mars/a36984208/soviet-luna-program-history/

Machine-learning methods lead to discovery of rare ‘quadruply imaged quasars’

Machine-learning methods lead to discovery of rare ‘quadruply imaged quasars’
— Read on phys.org/news/2021-04-machine-learning-methods-discovery-rare-quadruply.amp

Very nice work! Congrats!

NASA Mars Helicopter Achieves First Flight on Red Planet – The New York Times

The brief test of the experimental vehicle called Ingenuity shows how explorers can study the red planet from the sky as well as the ground.
— Read on www.nytimes.com/2021/04/19/science/nasa-mars-helicopter.html

Yuri Gagarin: Russia, U.S. and China Are in a Deadly New Space Race – Bloomberg

Sixty years after Yuri Gagarin’s orbit of the Earth, the militarization of the cosmos is heating up. A Q&A.
— Read on www.bloomberg.com/opinion/articles/2021-04-17/yuri-gagarin-russia-u-s-and-china-are-in-a-deadly-new-space-race

Wings of exploration: reflecting on the 40th anniversary of the space shuttle – SpaceFlight Insider

The launch of the space shuttle on April 12, 1981, proved to be a history-making event. For many, that day stemmed careers, dreams and imaginations alike.
— Read on www.spaceflightinsider.com/space-flight-history/wings-of-exploration-reflecting-on-the-40th-anniversary-of-the-space-shuttle/

Documents of the first astronauts of the USSR appear

Photo: Russian Ministry of Defense / RT. On the occasion of the 60th anniversary of the first manned flight into space, The Russian Ministry of Defense
— Read on www.smallcapnews.co.uk/documents-of-the-first-astronauts-of-the-ussr-appear/

The Soviet Union Leaps Forward: The 60th Anniversary of Yuri Gagarin’s Space Flight | Wilson Center

The Soviet Union Leaps Forward: The 60th Anniversary of Yuri Gagarin’s Space Flight | Wilson Center
— Read on www.wilsoncenter.org/event/soviet-union-leaps-forward-60th-anniversary-yuri-gagarins-space-flight