Astronomers Prepare to Launch LuSEE Night, A Test Observatory on the Far Side of the Moon - by PaulMattSutter
Astronomers have not yet been able to map large portions of the radio emissions from our universe because of interference from the Earth itself. A team of astronomers hopes to change that, beginning with the LuSEE Night mission to the far side of the Moon. It will launch in 2025 and chart a new pathway to Lunar observatories.
The Earth is really loud in the radio, especially at frequencies below 20 megahertz. The ionosphere of the planet itself crackles at those frequencies, obscuring radio emissions from more distant sources. Plus we use low frequency radio waves for communication and radar searches, swamping cosmic sources.
The only way to mitigate all that terrestrial contamination is to get up and away from it. The best place is the, so that the bulk of the Moon’s body blocks out radio emissions from the Earth. The Sun itself is also a rather loud emitter of radio signals at those frequencies, so the best time to observe is during the Lunar night, when the far side of the Moon is plunged in darkness.
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