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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.

Meet The Tardigrades

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https://www.youtube.com/watch?v=GnYSsSEBZnE There's a creature on earth that can survive the most extreme conditions on (and thanks to humans off) the planet! It's called a tardigrade, but people also call it a...

Do astronauts age faster or slower in space?

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That is an excellent question, and the answer lies with the two theories of relativity: special and general.

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...

What’s going on with the moons of Jupiter?

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The orbit of Jupiter's moons are all messed up and seemingly overlap. Do they interact much? Greg, U.S. Jupiter has 67 confirmed moons. Of these, 8 are regular satellites with nice...

How galaxies influence planet formation

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Does the specific location of a solar system within a galaxy affect the solar system's structure? Like does distance from the centre affect how big the star is, or...
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How hot or not is a Black Hole?

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Short Answer - the temperature of a black hole is inversely proportional to its mass. For a black hole with the same mass as our Sun the temperature is 60 billionths of a degree kelvin.

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.

What makes the worlds seem round?

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Are Mimas and Miranda the smallest known objects in hydrostatic equilibrium? Dan - London This question relates to the shape of astrophysical objects and as we discussed in the past, it's an...

How do we know how massive stars are?

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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.