Do we know what the universe is made of?
The Universe is thought to consist of three types of substance: normal matter, ‘dark matter’ and ‘dark energy’. Normal matter consists of the atoms that make up stars, planets, human beings and every other visible object in the Universe.
How do we know what’s in the universe?
Things in space which release or reflect light, like stars or planets, can be seen either with the naked eye or with telescopes. By looking at that light, scientists can either directly tell where objects in space are, or at least can make deductions about their locations.
How much do scientists know about the universe?
NEW YORK — All the stars, planets and galaxies that can be seen today make up just 4 percent of the universe. The other 96 percent is made of stuff astronomers can’t see, detect or even comprehend.
What are some amazing facts about the universe?
As space facts go, this is pretty impressive. Research by Yale University scientists suggests that a rocky planet called 55 Cancri e — which has a radius twice Earth’s, and a mass eight times greater – may have a surface made up of graphite and diamond.
What are amazing facts about space?
Interesting facts about space. The Earth tilts at around 66 degrees, bulges at the center around the equator and its rotation is slowing at a rate of 17 milliseconds every 100 years. The Earth is the only planet in the solar system not to be named after a Greek or Roman god.
What are some things in the universe?
The Universe. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. Before the birth of the Universe, time, space and matter did not exist. The Universe contains billions of galaxies, each containing millions or billions of stars. The space between the stars and galaxies is largely empty.
What is the creation theory of the universe?
Steady State Theory . The Steady State Theory of the origin of the universe is also referred to as the infinite universe theory or continuous creation. This theory was proposed by Hermann Bondi , Thomas Gold, and Sir Fred Hoyle . The Steady State Theory states that our universe looks the same from every spot in it and at every time.