Katherine Johnson was the mathematician whose calculations of orbital mechanics as a NASA
Born #Today in 1918, Katherine Johnson was the mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights
[✏️ Steve Breen, San Diego Union Tribune]
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Macron says Ukraine is an 'existential' fight for Europe as he makes two-day state visit to Portugal
French President Emmanuel Macron began a two-day state visit to Portugal to strengthen bilateral ties and encourage European unity as the fate of Ukraine remains uncertain under an increasingly critical Trump administration.
French President Emmanuel Macron began a two-day state visit to Portugal on Thursday where he was greeted by Prime Minister Luis Montenegro.
Macron and his wife Brigitte received a welcoming ceremony outside the Jeronimos Monastery in the Portuguese capital, Lisbon. Macron was later welcomed by his Portuguese counterpart Marcelo Rebelo de Sousa after the ceremony.
The French president’s trip to Portugal looks to boost bilateral ties between Paris and Lisbon and deepen European unity in a period of uncertainty.
European leaders have been urging for increased unity and cooperation after a dramatic shift in Washington’s foreign policy following the return of Donald Trump to the White House.
#Macron #Ukraine #Europe
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In the year 1971, Soviet engineers set fire to a gas-filled hole in the Turkmenistan desert, thinking it would burn out in a few days.
However, to their astonishment, the flames have persisted, and the site, known as "The Door to Hell," has been burning continuously for over 52 years
Hundreds of natural gas fires illuminate the floor and rim of the crater. The crater has been burning since the 1980s. How the crater formed is unknown, but engineers ignited the crater to prevent poisonous gases from spreading.
#World #Curiosities
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