Leaving The Universe Behind

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If the known universe was spherical would it be possible to move outside of it the same way a rocket can leave the Earth? Justin, New Zealand Oh that's an interesting...

Destroying the One Ring in Space

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I was asked by Larry, one of my students, about what would be the best place in the solar system to destroy the One Ring. Since the 25th of March is the anniversary of its destruction and the fall of Sauron I thought I’d dedicate this vlog to answering the question as seriously and as accurately as possible.

More On Gravitational Waves

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In a previous post, we discussed the groundbreaking discovery of gravitational waves and it's importance for science as a whole. Now LIGO has observed another detection, and it has the...

PodcAstroholic – Why Is Pluto Not A Planet?

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In this PodcAstroholic we answer the question "Why is Pluto not a planet?" Longer discussion in the vlog

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