How common are Earthlike worlds?

Perhaps not very common at all, although even low percentages work out to large absolute numbers.

On the other hand,

By combining all the data, including observations of stars that did not have planets, and looking at the fraction of existing planets that could be discovered, the team has been able to work out how common different sorts of planets are around red dwarfs. They find that the frequency of occurrence of super-Earths in the habitable zone is 41% with a range from 28% to 95%.

An unfair reaction

[...] I have gathered a list of 75 Words Every Science Fiction Fan Should Know.

This list feels like something an SF reader of my vintage might have come up with 20 years ago, although I see the author is either much younger than I am or far more immune to the ravages of time than I am. Aside from "whuffie", I'm not seeing many neologisms but there's a bunch of oldlogisms from classic SF in there.

A poll

[Poll #1829701]

A poll

[Poll #1829701]

Not the result I expected

This is what being a prolific author of non-fiction can do for your name recognition:

flist margin preserving cut:

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This is highly counter-intuitive

flist margin preserving cut:

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I have not read this book and have no opinion on it

Except to be mildly surprised I didn't hear it was coming out.

I've only just started reading, but the Kindle edition for Android has a formatting problem.

It cannot be displayed in landscape view, which is my preferred view on the Android.

[...]

Three star rating on this issue alone. I'll revise when I've actually read the story.