Respuesta :
Dark matter may explain unexpected orbital velocities of stars in galaxies.
Answer:
A.unexpected orbital velocities of stars in galaxies
Explanation:
Majority of the matter in the universe is Dark matter. Its not visible and scientists yet are not sure about its composition but its effect is being studied.
The stars in the galaxies in different regions are found to be orbiting at different velocities than expected before the dark matter. Now, it is thought that dark matter can explain the anomalies in the orbital velocities.
