star deck

The sun

• heat and light energy are produced by nuclear reaction within the sun
• the suns core reaches up to 15,000,000 degrees Celsius

Facts

• The oldest star may be 12 billon years old
• The brightest star is Sirius 8.8 light years

where's the sun

Degrees

• The chromospheres temperature can reach up to 27800 degrees Celsius and 50,000 F

stars

star

• a light year in the distance travels in a year, about 9.6 trillion km
• a nova is a star that suddenly increases in brightness and later returns to its original magnitude.
• a super nova is similar but increases in brightness perhaps a millon times and never completely returns to its original magnitude.

corona

star facts

• all the stars seen without a telescope belong to the Milky way galaxy.
• the closest star besides the sun is Proxima centauri.

dwarf star

• The first dwarf star is Sirius.
• a white dwarf is so dense that one cubic inch of its matter would weigh one ton on earth

Variable Stars

• The north star Polaris is pulsating variable with a period of about four days.
• variable stars are those whose brightness pulsates variable or increases and decreases periodically.