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Daniel Coronilla

on 10 October 2012

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Transcript of Regulus

By: Daniel Coronilla
Rodolfo Rodriguez Regulus Regulus is gigantic, blue star, that is approximintaly 77.5 light years away from Earth. It is the 21st brighest start in the night stars, and is a binary star system with two pairs of two stars.
Regulus completes a rotation in 15.9 hours and spins at the rate of 709,000 miles per hour. Regulus spins so fast that if spun 10% faster, it would fly apart. Characteristics HR Diagram Our Sun is an average star, while Regulus is a high-mass star. The Sun is relatively small compared to Regulus, and 200 times less brighter that Regulus. Regulus pumps 350 times more energy than our Sun, which means Regulus will die out faster than our Sun. The Sun is a round shape, while Regulus is more of an oval shape. Comparison to Sun Regulus is a high-mass star, which means it won't live as long like our Sun. Since Regulus is 5 million years old, it is probably half way through it's lifetime. Life Cycle of Regulus I think NASA should not consider Regulus as our future star. Due to the fact that it is not going to last that long, and is so far away for Earth. Since Regulus is so hot, bright, and gives of more harmful radiation than our Sun. Also a planet with liquid water and a good atmosphere would have to be pretty far away since Regulus is so bright and hot. Arguement for our Star Regulus is part of the Constellation Leo, and is also the brightest star of the whole constellation. Nicknamed the, "Little King" because the whole constellation of Leo is the real King, and Regulus is the biggest star in the whole constellation. Constellations Regulus Regulus has a luminosity of 240 suns and a surface temperature of 12,000 Kelvin. Regulus is also part of Main Sequence, and is located in the top left area.
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