Answer:
Correct answer is Irregular galaxies
Explanation:
An irregular galaxy is a galaxy which does not have a well-defined structure and is not identical to an elliptical or a spiral galaxy. Irregular galaxies do not fall into any class of the galaxies having a distinct size and shape.
These galaxies are rich in dust and gas and do not have a smooth appearance. They appear rough and chaotic in structure when observed through a telescope. Furthermore, these are the type of galaxies which are still not fully understood by the astronauts.
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Answer:
Explanation:Betelgeuse is the brightest star in Orion and marks the
western shoulder of the constellation. It is the largest of the
known stars. Betelgeuse emits almost 7,500 times as much
energy as the Sun. The combination of size and temperature
tells astronomers that the star is a kind of star called a red
super giant. Red super giants are stars that are close to the
end of their life. Probably within the next ten to hundred
thousand years Betelgeuse will end its life in a supernova
explosion.
