STAR UNIVERSE By Sim & Summer

Cool & hot stars

=3200c =10000c

=4900c =30000c or a bit more! =6000c

Star sizes Sirius B : 0.08 the size of the sun! Alpha Centauri: 1.2 the size of the sun! Vega: 2 the size of the sun! Capella: 13 the size of the sun! Aldebaran: 46 the size of the sun! Betelgeuse:230 the size of the sun!

How heavy is a star

It would depends on the mass of original

star and the nature of the explosion it

cant be much more than about there

times the mas it would crate a black hole

rather than neutron star!

I believe stars weigh about

150,000,000,000,000,000,000,000,000,0

00,000 KG.

Supernovas When a massive star dies, it does so in a

spectacular explosion known as a supernova

Supernovas are very rare .Of the roughly 200 stars in our galaxy, only one explodes per century on avarage!

What is a high mass star?

A high mass star is a star which is anything over 8 times the mass of the sun!

Big & small stars!

There are giant stars in space that can be 100 times larger than the sun , there are dwarf stars that can be 100 times smaller than the sun!

Which stars live for longer

The smaller stars live longer , it lives for billions of years , big stars die out in a few million years !

Are stars big or small ?

There are giant stars in space that can be 100 times larger than the sun , there are dwarf stars that can be 100 times smaller !

Star facts

Stars have hydrogen gas & don’t have solid surfaces , temperatures of almost 3000 to 30000 C .The sun is almost 1.4 million kilometers across and it’s just a medium size dstar !

How fast does light travel ?

Light travels at an amazing 300,000 kilometers per second !

Biggest star known

The biggest star known is the hypergiant Cygnus , witch is 810,000 times as bright as the sun !