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2022-03-08: Is the Proxima System Our Best Hope For Another Earth?

  • 06:18: Such a short orbital period, combined with the star’s mass, gave them an orbital radius for the exoplanet of around 20 times smaller than the Earth’s.
  • 09:17: ... have forced the planet’s rotation period to be in resonance with its orbital period. ...

2018-08-01: How Close To The Sun Can Humanity Get?

  • 07:38: ... its orbital period will be the same as Mercury's-- 88 days-- because of its eccentric ...

2018-01-31: Kronos: Devourer Of Worlds

  • 03:34: That means they're almost certainly a wide binary pair with an orbital period of around 10,000 years.

2017-03-15: Time Crystals!

  • 10:55: The planet's orbital periods have evolved so that each pair of planets lines up at regular intervals.

2016-07-27: The Quantum Experiment that Broke Reality

  • 12:35: My pleasure-- a resonant frequency is when two orbiting bodies have orbital periods that form a neat ratio of small integers.

2015-08-27: Watch THIS! (New Host + Challenge Winners)

  • 01:09: ... from what I just said, you can also work out an expression for the orbital period of a particle moving under the planet's gravity in a circular orbit ...
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