The most dangerous club in the Universe

What would a planet orbiting a pulsar look like from the ground? Would it look like a giant disco planet with a constant strobe light? Pulsar form from supernova explosions, and they are neutron stars...

All The Planets Can Fit Between The Earth and The Moon

Although planets are huge compared to our Earth, most illustrations show them deceptively large in proportion to astronomical distances. One of my favourite pieces of information is that all the planets would fit between the...

How do we know how massive stars are?

As we discussed in the previous vlog our understanding of stars is still incomplete, but there are areas which we are very confident on what we know. In general we tend to know three things about stars: their brightness, their spectrum, and if they are close enough or of known luminosity, we can also know their distance.

Destroying the One Ring in Space

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.

One Planet, One Climate, One culture.

One of my biggest pet peeves about sci-fi universe building is the lazy approach in building alien civilisations. We often see the trope showing one world, one climate, and one language. Given the variety...

PodcAstroholic – Why is the Solar Corona so hot?

In this PodcAstroholic we answered the question "Why is the solar corona hotter than the surface of the Sun?" UPDATE!!! I got a scolding (or a scalding since we are talking about how hot the solar...

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