What is the rarest thing in the galaxy?

Taydenite is the most precious and rarest living gem in the Milky Way Galaxy.

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What is Orion's nose?

The star system is called GW Orionis, which is located in the constellation Orion, specifically in the area where Orion's "nose" should be. The system consists of twin stars orbiting each other, with a third star orbiting the twin stars. Moreover, are nebulae habitable? Stars and planets form in clouds of dust and gas called nebulae. The planets found in this image are unlikely to be habitable because they do not orbit stars. Instead they are floating freely in space.

Will Betelgeuse become a black hole?

Originally Answered: Will Betelgeuse turn into a black hole? At an estimated twenty times the mass of the Sun, Betelgeuse will most probably end as a supernova, with the core collapsing into a black hole. Then, how long does betelgeuse have left? The unexplained dimming fuelled speculation that the star could be about to explode. Betelgeuse is a red supergiant - a type of star that's more massive and thousands of times shorter-lived than the Sun - and it is expected to end its life in a spectacular supernova explosion sometime in the next 100,000 years.

One may also ask are nebulae actually colorful?

They can be seen so colorful in photography, after long-term exposures of the CCD and with HRGBD + Bias filters, for example red-colored nebulae are the most common and the color is generated by ionized hydrogen, while green-blue can be oxygen and yellow sodium.