Galaxies are large groups of stars, gas, dust, and other objects that are held together by gravity. Our solar system is part of the Milky Way galaxy, which contains billions of stars. There are billions of galaxies in the universe, each with its own unique size and shape. Some galaxies are spiral-shaped, while others are elliptical or irregular.
This question related to Chapter 12 Science Curiosity Class 6th NCERT.
From the Chapter 12. Beyond Earth.
Give answer according to your understanding.
Galaxies are vast collections of stars, planets, gas, and dust bound by gravity.
Explanation: The Universe contains billions of galaxies, each with unique features and sizes.
For more please visit here:
https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-12/