With reference to Irregular Galaxy, consider the following statements:1.ESO 300-16 is an irregular galaxy.2.An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. 3.Irregular galaxies lack gas and dust which prevents them from facilitating the creation of new stars.Which of the statements given above is/are correct?

Q. With reference to Irregular Galaxy, consider the following statements:
1.ESO 300-16 is an irregular galaxy.
2.An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.
3.Irregular galaxies lack gas and dust which prevents them from facilitating the creation of new stars..
Which of the statements given above is/are correct?

[A] 1 and 2 only

[B] 2 only

[C] 2 and 3 only

[D] 3 only

Answer: A

Notes:

Explanation –

Statements 1 and 2 are correct. ESO 300-16 is an irregular galaxy. It is made of many tiny stars all clumped together, surrounded in a diffuse light. An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.

Statement 3 is incorrect. Irregular galaxies may hold significant amounts of gas and dust – essential ingredients for making new stars.

Source: ForumIAS

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