Colliding stars

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I know that likelihood of stars colliding is very low, but have there been papers describing the theoretical process of star collision? James, London I think we can divide star-collision into...

How dangerous is it to cross an asteroid field?

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How easy is to navigate through an asteroid field? Do we need to take precautions when we send probes through them? Andrew, Sidney. I'm afraid TV shows and movies have lied...

PodcAstroholic – Gravity & Discs

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In this PodcAstroholic we answer the question, if gravity tends to form spheres why are some galaxies shaped like discs?

“The Stars Were Aligned”

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Sometimes inspiration strikes in unusual ways at unusual times. I was tagged in a quote tweet where Prof Peter Coles states that as an astrophysicist he must contest Prince...

PodcAstroholic – Main Challenges To Put A Human On Mars

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In this PodcAstroholic we answer the question "What are the main challenges to send a human to Mars?"

Why does Iapetus have two colours?

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Iapetus is the third largest satellite of Saturn, and it is the largest object in the solar system not in hydrostatic equilibrium. Iapetus is a moon of Saturn known for its colour dichotomy. It has a dark side and white side, and it is often called the Yin Yang moon.
Credit: Wikicommon

PodcAstroholic – Jumping In A Black Hole

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In this 1 minute PodcAstroholic, we talk about what would happen if you jumped feet first into a black hole.

All about the Asteroid Belt

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What does it actually look like in the asteroid belt? Is it anything like as dense as is shown in films? Or is it more like you can see...

What Would Happen If The Sun Disappeared ? – AGAIN!

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In a previous post, I discussed how long the Earth would be able to survive without the Sun. We had to assume that our star would magically disappear into...