Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 6. evolution4 Marks
MCQ
How old is our universe?
A
$10$ billion year old
✓
$20$ billion year old
C
$15$ billion year old
D
$5$ billion year old
✓
Answer
Correct option: B.
$20$ billion year old
b The universe is vast relatively speaking the earth. Itself is almost only a speck. The universe is very old almost $20$ billion years old. Huge dusters of galaxies comprises the universe
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