Rigel is the brightest star in the entire night sky., F, Rigel is located in the constellation of Orion., T, Rigel can be seen even in areas with light pollution., T, Rigel is a small star compared to our Sun., F, Rigel’s radius is more than 17 times larger than the Sun’s radius., T, Rigel is part of a multistar system., T, Rigel A is a blue supergiant star., T, Rigel is less massive than the Sun., F, Rigel is about 120,000 times more luminous than the Sun., T, The blue-white color of Rigel is caused by its low surface temperature., F, Rigel’s surface temperature is around 10,000 Kelvin., T, Massive stars like Rigel have much shorter lifespans than smaller stars., T, Rigel is still burning only hydrogen in its core., F, Rigel has already started fusing heavier elements., T, When nuclear fusion stops, gravity causes the star’s core to collapse., T, Rigel is expected to end its life in a supernova explosion., T, After the supernova, Rigel’s core may become a neutron star or a black hole., T, Rigel B is a single star that can be clearly seen through a telescope., F, Rigel B consists of two blue main sequence stars., T, Rigel C orbits the Rigel B binary system., T, Rigel A is smaller than the other stars in the system., F, Rigel A is about 2,200 astronomical units away from the Rigel BC system., T, Orion is difficult to recognize in the night sky., F, The Witch Head Nebula is a reflection nebula illuminated by Rigel., T, Stellarium is an online tool that helps explore stars and constellations., T

True / False – Rigel

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