Question

Which characteristics are considered most typical of an old galaxy in decline?
a. very bright, relatively small
b. spiral, abundant plants present
c. shrinking in size, high dust content
d. low gas content, little star formation

Answer 1

Answer:

1. Low gas content, little star formation

2. A nearby galaxy, a much larger galaxy

3.Gravity acts on existing material, shaping it into a new form

Answer 2

The characteristics that is most typical of an old galaxy in decline is that they have low gas content and little star formation

• A new international study has shown that that galaxies does expand (grow) bigger and puffy as they grow older.

• Due to the fact elliptical galaxies has a lot of older stars and less gas, scientific result has indicated that they are are dying that is they are at the end of the evolutionary line for galaxies.

From the above we can therefore say that the answer The characteristics that is most typical of an old galaxy in decline is that they have low gas content and little star formation, is correct.

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