According to foreign media reports, the U.S. National Radio Astronomy Observatory (NRAO) has announced that NASA has added a new member to its upcoming Artemis Project. The dapper spacecraft will listen to radio signals from the dark ages in the quiet sky on the back of the moon. About 370000 years after the big bang, the universe began to become quite boring. For millions of years after that, there were almost only huge clouds of hydrogen around, but as everything began to cool, the pockets of these gases condensed and collapsed, forming the first stars and black holes. With the emergence of these stars, the first light ever appeared, ending the dark age and entering a period known as cosmic dawn. < / P > < p > so far, the earliest signals we have detected come from radio waves generated by hydrogen 180 million years after the big bang, which may be caused by the radiation generated by the interaction between the first stars and surrounding hydrogen. That means it comes from the dawn of the universe – but can we go back to the dark ages even further? This is the goal of dark ages polarization Pathfinder. The ship will use special radio receivers and high-frequency antennas to listen for weak radio signals from the early universe. It takes a very quiet environment to do this, and the back of the moon is an ideal place. Richard Bradley, senior research engineer at the NRAO Central Development Laboratory (CDL), said: “at present, no radio telescope on earth can accurately measure and confirm the very weak neutral hydrogen signal from the early universe, because there are many other signals that are brighter than it. At CDL, we are developing special technology to enhance the measurement process used by dapper to help us separate weak signals from all noises. ” < / P > < p > now, NRAO has revealed that dapper will be launched as part of NASA Artemis program. The plan will witness the return of American astronauts to the moon in 2024. The visit will not be short – because the plan is to establish a permanent human presence there and lay the foundation for a final manned mission to Mars. By making dapper a part of the project, the cost of this task should be much lower than that of a stand-alone project. The plan will launch dapper from the lunar gateway, the proposed lunar orbiting space station, which will act like the international space station. The release and download schedule of Microsoft Flight Simulation varies from region to region

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