advertisement
Updated 11 November 2016

Facts about the sun

The sun is the only gigantic ball of superheated gas in our neighbourhood.

0

The sun is the only gigantic ball of superheated gas in our neighbourhood. It’s a massive nuclear reactor 12 000 times the size of the earth. At its core, it’s hot – around 20 million degrees Celsius.

Astronomers estimate that the sun will eventually expand to 166 times its present size and become more than 2 000 times as bright. Eight billion years from now, the sun's radius will engulf the planet Mercury, causing the total destruction of the earth.

But before then, you need to know how to protect yourself from its powerful rays.

 
NEXT ON HEALTH24X
advertisement

Read Health24’s Comments Policy

Comment on this story
0 comments
Comments have been closed for this article.

Live healthier

Quit smoking »

How to beat triggers that make you crave a cigarette

You need to learn how to beat the behavioural, environmental and emotional triggers if you want to succeed in quitting smoking.

Hygiene »

Your showerhead may be bathing you in germs

You probably think showering will wash away dirt and germs, but your showerhead might dump nasty bacteria on you instead that may cause lung infections.