GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The universe could remain exactly as it is today.
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The universe may continue to expand.
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Stars could burn out, causing the universe to become dark and cold.
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Gravity could pull galaxies back together, causing a reverse of the big bang.
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Detailed explanation-1: -Observations suggest that the expansion of the universe will continue forever. The prevailing theory is that the universe will cool as it expands, eventually becoming too cold to sustain life. For this reason, this future scenario once popularly called “Heat Death” is now known as the “Big Chill” or “Big Freeze".
Detailed explanation-2: -The most widely accepted explanation is the big bang theory. Learn about the explosion that started it all and how the universe grew from the size of an atom to encompass everything in existence today.
Detailed explanation-3: -Universe Dark Energy-1 Expanding Universe The curve changes noticeably about 7.5 billion years ago, when objects in the universe began flying apart as a faster rate. Astronomers theorize that the faster expansion rate is due to a mysterious, dark force that is pulling galaxies apart.