HERA, or Hydrogen Epoch of Reionization Array, is a radio telescope project headed by UC Berkeley professor of astronomy Aaron Parsons. This project incorporated around 60 members from different universities.
HERA wants to develop a system to create the largest three-dimensional map of the universe by observing hydrogen, the early universe’s most abundant element.
The early universe created regions that have very little radio signal, and the project uses radio dishes on telescopes to locate these regions by tuning the receivers to different wavelengths. Parsons said that it was necessary a radio dish sensitive enough to differentiate the early universe’s faint signals from those produced by our galaxy has been a challenge.
The National Science Foundation funded HERA through a $9.5 million donation.
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