A thread: I wanted to give you a sense of what a great telescope she was, so here's my Arecibo radio telescope: a guided tour. First, this is the focus cabin, where the radio waves reflected into. Housed inside were several receivers to gather the waves -> electrical signals. pic.twitter.com/5RHBqEbOly
— Prof. Lisa Harvey-Smith (@lisaharveysmith) December 2, 2020
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