#NASAWebb will be excellent at detecting biosignatures in white dwarf planet atmospheres. "...impressively, Webb could detect gas combinations potentially indicating biological activity on such a world in as few as 25 transits [across its star.]." That's 2 days of observing time!https://twitter.com/NASAUniverse/status/1306254799738863617 …
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Replying to @zcelticboy
We asked Ryan MacDonald, one of the co-authors on the ApJL article for an answer to this. Here's what he said: (1/2)
11:16 AM - 16 Sep 2020
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