5 Questions
Which type of matter consists of protons, electrons, and neutrons and makes up atoms, planets, stars, galaxies, and other bodies?
Baryonic matter
Which type of matter has gravity but does not emit light?
Dark matter
What is the source of anti-gravity that counteracts gravity and causes the universe to expand?
Dark Energy
What is the early stage in the formation of a star resulting from the gravitational collapse of gases called?
Protostar
What type of nuclear fusion reaction is responsible for the energy produced by stars?
Thermonuclear reaction
Test your knowledge on the formation of the universe and solar system with this Earth Science Reviewer! Explore the definitions of baryonic matter, dark matter, and dark energy to understand the mysteries of our cosmos.
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