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22 March, 22:09

Match each galaxy to its description.

A. the Milky Way

B. elliptical galaxy

C. irregular galaxy

1. contains dust, gas and young stars

2. contains mostly older stars with a red color

3. arms extend from a core full of black holes

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Answers (2)
  1. 22 March, 22:23
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    (1) Answer is C - Irregular galaxy

    This type of galaxy does not have a clear shape. It contains high amount of young stars, gas and dust. Among the gases, hydrogen is the most abundant gas. It causes to form new stars.

    (2) Answer is A - Milky way

    Milky Way is the galaxy where our Earth is located. It is one of large spiral shape galaxies of the universe. IT contains mostly older stars with a red color. It is said that Milky Way has around 200 billion of stars.

    (3) Answer is B - Elliptical galaxy

    These types of galaxies have a clear shape as ellipsoidal shape. Elliptical galaxies have less number of stars and dust. The formation of new stars is low. Hence, the brightness is low. According to Edwin Hubble, elliptical galaxy is one of three classes of galaxies.
  2. 23 March, 00:19
    0
    The matches are:

    A-2, B-3, C-1

    From the three galaxies above, our Earth is located within the Mily way. Even though we cannot directly see what's going on in other galaxy, many experts believed that there is millions other planet that contains life-forms just like the Earth itself
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