Hey there!
The universe is made up of three different things - normal matter, dark energy, and dark matter.
Normal matter would be all the planets and stars like the Sun, Moon, and, of course - Earth.
Hope this helps you, have a great day!
Answer:
The universe is filled with billions of galaxies and trillions of stars, along with nearly uncountable numbers of planets, moons, asteroids, comets and clouds of dust and gas . To study our universe we use telescopes, we observe and make experiments collecting and analyzing data to find answerers to our questions
:D
6.5m questions
8.6m answers