Question

According to measurements made by the Wilkinson Microwave Anisotropy Probe (WMAP), which material is by far the most plentiful in the universe?(1 point)
Responses

dark matter
dark matter

dark energy
dark energy

baryonic matter
baryonic matter

neutrinos
GPT-4o mini
According to measurements made by the Wilkinson Microwave Anisotropy Probe (WMAP), dark energy is by far the most plentiful material in the universe, making up about 68% of the total energy density of the universe. Therefore, the correct response is:

**dark energy**
Scar
The
of dark matter causes baryonic gas and dust to
.
GPT-4o mini
The **gravitational pull** of dark matter causes baryonic gas and dust to **collapse into structures**.

This influence of dark matter is essential in the formation of galaxies and larger cosmic structures.
Scar
The (gravity)(electromagnetic radiation)
of dark matter causes baryonic gas and dust to (break apart) (clump together)
GPT-4o mini
The **gravity** of dark matter causes baryonic gas and dust to **clump together**.

Dark matter's gravitational influence plays a crucial role in the formation of galaxies and the large-scale structure of the universe.
Scar
Which types of baryonic matter are most abundant in the universe? Select the two correct answers.(1 point)
Responses

oxygen
oxygen

hydrogen
hydrogen

carbon
carbon

helium
helium

nitrogen
GPT-4o mini
The two types of baryonic matter that are most abundant in the universe are:

1. **Hydrogen**
2. **Helium**

These two elements make up the majority of the ordinary (baryonic) matter in the universe.