"If you are in a part of the Moon where it is getting dark, you will notice that a lunar night has a duration of 14 terrestrial days, meaning that that part of the Moon would be kept in darkness for two weeks", as said the scientist at the Caribbean Astronomy Society, the last time when hang'e-4 had to shut down during its first lunar night.
The most ambitious space project of the Chinese space agency, so far, the Chang'e-4 mission to the dark side of the Moon, goes standby mode into preparation for the second lunar night which might lower the temperatures to minus 190 degrees Celsius.
The President's Space Policy Directive-1 galvanizes NASA's return to the Moon and builds on progress on the Space Launch System rocket and Orion spacecraft, efforts with commercial and worldwide partners, and knowledge gained from current robotic presence at the Moon and Mars. "But to some, saying we're returning to the moon implies we'll be doing the same as we did 50 years ago". "And certainly we're going to be using that technology to develop landers to return to the moon with humans first".
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Bridenstine revealed the agency's goals for the near and distant futures, including getting astronauts back to the Moon and sending the first ones to Mars.
'We are going to the moon with innovative new technologies and systems to explore more locations across the surface than we ever thought possible, ' explained Nasa administrator Jim Bridenstine, writing in online magazine OZY. "This is an exciting time to be leading America's space program".
Mr Bridenstine said plans would get under way next week when industry partners visit NASA's headquarters to talk about lunar landers, which could help maintain "a sustainable, human presence beyond Earth's orbit".
"Billions of people around the world will watch history being made as astronauts explore more of the surface for longer periods of time than ever before, and help us prepare for missions to Mars and other destinations", he said.