Everything you need to know about stars and supernovas!

Get to know what's in our galaxy with Deep Space High!

Exciting news today! It’s only a few weeks until Galaxy Gala – and all space schools will be taking part.

This year’s competition is to build your very own galaxy and what the students of Deep Space High will like is that they can put in anything they want!

Stars
The larger the star, the shorter its life. Although bigger stars have more fuel, they have to quickly consume it through nuclear fusion to maintain hydrostatic equilibrium.
All stars are made from hydrogen and helium, and they all started out with the same proportions – they contain about 1/4 helium and 3/4 hydrogen.
The vast majority of stars are red dwarfs, which can have masses as low as seven per cent t hat of the Sun’s mass. They can burn for no less than 10 trillion years.
The name ‘yellow dwarf’ is a misnomer: these can range from white to yellow. The Sun is white, but it appears yellow due to the scattering of light in our atmosphere.
The brightest star in our sky aside from the Sun is Sirius, which is actually a binary star system about 8.6 light years away from Earth.

Five facts about stars:

  1.  The larger the star, the shorter its life. Although bigger stars have more fuel, they have to quickly consume it through nuclear fusion to maintain hydrostatic equilibrium.
  2. All stars are made from hydrogen and helium, and they all started out with the same proportions – they contain about 1/4 helium and 3/4 hydrogen.
  3. The vast majority of stars are red dwarfs, which can have masses as low as seven per cent that of the Sun’s mass. They can burn for no less than 10 trillion years.
  4. The name ‘yellow dwarf’ is a misnomer: these can range from white to yellow. The Sun is white, but it appears yellow due to the scattering of light in our atmosphere.
  5. The brightest star in our sky aside from the Sun is Sirius, which is actually a binary star system about 8.6 light years away from Earth.

If you want to find out more about space, you should check out Deep Space High!

That’s our podcast series all about it. Sam, Stats, and Quark are all taught about solar flares, cosmic rays, coronal mass ejections and more!

Deep Space High: Kids Guide to Space

The podcast all about space - from astronaut training to the planets in the Solar System!

 


Deep Space High: Galaxy Gala, with support from the Royal Astronomical Society.

 

 

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