By Sakshi Sah
Published Jan 23, 2025

Hindustan Times
Trending

Photo Credit: Pexels

Why does the universe keep growing? 5 fascinating facts to know

Ever wondered why the universe is constantly expanding? 

Let's dive into some captivating facts that shed light on this phenomenon.

According to NASA, the universe is getting bigger every second. The space between galaxies is stretching, like dough rising in the oven.

Hubble measurements suggest a faster expansion rate in the modern universe than expected.

Scientists believe that the existence of dark energy and the amount of repulsion it displays compared with dark matter is what's causing our universe to expand.

Edwin Hubble's observations of the expanding universe in the 1920s marked the beginnings of the big-bang theory.

The rate of expansion of the Universe is expressed by a quantity called "the Hubble constant".

According to inflation theory, the majority of the mass-energy of the Universe came from the energy of the vacuum.

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