How does the temperature of betelgeuse compared to the temperature of rigel?

Why are several images seen when you look obliquely into a mirror with a candle as an image and which image is very bright? What word from this sentence is not an adverb 'Pluto sometimes approaches nearer to the sun than Saturn because Pluto's orbit is quite eccentric.'? Who went to the moon with neil arm strong? What is an adjective for the word sphere? Why did the Romans name Jupiter after Zeus? What force keeps earth in orbit around the sun? The Aztecs believed the sun needed what? Looking at a ceiling fan which way is clock wise? How can gravity be simulated in an orbiting space ship? What is the rapid expansion of space and matter called? What are the two forces acting on the particles inside a nebula that affect its balance and how do they affect particles? What Iron oxide and polar ice caps? What is the planet most furthest away from the sun? How does a telescoping pole work? Which british explorer did roald amundsen beat to the south pole in 1911? What is the temperature at the core of the sun in Celsius? How does the appearances of a constellation seem to change at night? What year was the Apollo space suit invented? Why do balloons shivrelled up on a cold night? Is Albert Einstein a real person?