PodcAstroholic – Main Challenges To Put A Human On Mars

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

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...
Credit: Wikicommon

PodcAstroholic – Jumping In A Black Hole

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

Meet The Tardigrades

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 “waterbear” or “moss piglet." Tardigrades are...

Do astronauts age faster or slower in space?

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?

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 to you: asteroid fields are...

What’s going on with the moons of Jupiter?

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 prograde motion (they move in...

How galaxies influence planet formation

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 what kind of planets form? Stuart,...
Credit: Wikicommon

How hot or not is a Black Hole?

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?

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.