All About The Regulus Star

By Scott Cusimano

Regulus’ background information

• Radius: 3.15–4.15/0.5/? Solar Radius• Color: White

•Temperature: 10,300–15,400 Kelvin

Luminosity: 150/0.31

Constellation: Leo

Mass: 3.5/0.8/0.2 Solar Mass

Age: 5 × 107 years

Distance From Sun: 79 Light Years

More information

Regulus is in the main sequence of the H-R diagram.

Regulus is also in the ”Large Star” stage of it’s life

Regulus started out as a nebula, and it will end as a black hole

Constellation Leo

Leo, pictured below, is a tale of a lion.

Leo was a vicious lion. He had terrorized

the city of Nemea. This caused Hercules to respond by killing ‘the beast’.

Constellation Leo

Here is one diagram of Leo. (The constellation)

Regulus is

located in the

red circle.

Citations

"Regulus -." Wikipedia, the free encyclopedia. Wikipedia. Web. 24 Nov. 2009. <http://en.wikipedia.org/wiki/Regulus>.

"Regulus." JIM KALER, Professor Emeritus of Astronomy, University of Illinois. 19 Sept. 2008. Web. 24 Nov. 2009. <http://stars.astro.illinois.edu/sow/Regulus.html>.