A Temporary-ish Historical past of SETI. Half VI: The Nice Silence and the Nice Filter
Welcome again to our ongoing sequence, a Brief-ish History of SETI. In our earlier installments, we ...
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Tag: filter
Antlia ALP-T 5nm dual-band filter – Astronomy Now
The Antlia ALP-T dual-band color imaging filter is available in a dustprotecting envelope positioned in a ...
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