Astronomy
S. McGrew's user avatar
S. McGrew's user avatar
S. McGrew's user avatar
S. McGrew
  • Member for 3 years, 5 months
  • Last seen more than 3 years ago
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About

Mostly retired optics/holography guy with interests in classical field theory, topology, and K-12 science education.

Currently building a sailboat and teaching blacksmithing & knife making.

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Top posts
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3
What percentage of habitable-zone planets are detectable by transit?
Oct 26, 2020
question
1
Is it correct to say that only binary and solitary star systems are stable?
Feb 23, 2021
question
0
What percentage of Earth-sized planets in a habitable zone can be detected by the radial velocity method?
Oct 26, 2020
Top network posts
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68
Why don’t astronauts “push” spacecraft?
64
If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?
62
How do I experimentally measure the surface area of a rock?
60
If electrons are identical and indistinguishable, how can we say current is the movement of electrons?
52
Why does my tea periodically alternate its rotational speed after stirring? (Link to video below)