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Elementary School
Science for Young Learners

Test Glog

It has a temperature of 10730 C and has a radius 75x larger than the Sun's!

It's total mass is 3.58 x 10^31 kg which is nearly 6 million times the mass of the Earth!

The blue-white supergiant Rigel is only 10 million years old! Compared to the sun and earth, Rigel is just a baby.

Rigel is 772.9 million light years away from the Earth and is the seventh brightest star in the universe.

Rigel is 120000 times brighter than the sun and is as big as Jupiter's orbit!

Life Cycle of Different Stars



Vega is easily recognizable for its brilliance and blue-white color.

The surface temperature of Vega is about 18,000°F at the poles.Talk about hot!

Vega is 40x brighter than our sun and 2.5x the size of the sun.

Vega is a small star and is the brightest star in the Lyra constellation. It's visible from Earth with the naked eye!

Vega has a mass of over double the mass of our sun and is currently 350 million years old

VEGA (SMALL STAR)Stellar NurseryVega was born when a massive cloud of dust and gas gradually collapsed into a small star.SMALL STAR (CURRENT STAGE)Currently, Vega has a hot core from the gravitational energy of the star. This thermal energy causes nuclear fission (combining) between hydrogen atoms, forming helium. This fusion chain will continue until the star burns all its gas fuel.RED GIANTOnce the outer layer of gases is burnt out completely Vega will expand and become a red giant. This is predicted to happen in half a billion years.NEBULAOnce the star expands, it has trouble holding its gases, which eventually drift away. This forms a nebula.WHITE DWARFAfter all the gases drift away, the star is known as a white dwarf, and has a dense carbon core. This may turn into a black dwarf.

RIGEL (LARGE STAR)Stellar NurseryRigel begins as a stellar nebula collapses into a star with a hot core. The deciding of the size of the star is the size of the nebula.BLUE SUPERGIANT (CURRENT STAGE)A blue supergiant forms if the resulting star has roughly 10-100 solar mass (mass of the sun). In this stage, blue supergiants are unstable and lose mass at rapid rates.BLUE LOOPBlue supergiants with a lower solar mass ( <40) expand into red supergiants. Rigel has a solar mass of 18, meaning it will undergo this stage.The red supergiant that is formed may evolve back into a blue supergiant. This loop can continue many times.SUPERNOVAOnce the fuel of the star is burnt out, Rigel will transition into a supernova, releasing lots of energy before turning into either a black hole, neutron star or nebula.




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