Question

Which tools do astronomers use to determine the effects of collisions between galaxies? Select the two correct answers.(1 point)
Responses

computer simulations
computer simulations

solar system models
solar system models

space telescopes
space telescopes

print encyclopedia entries
print encyclopedia entries

Answer 1

The two correct answers that astronomers use to determine the effects of collisions between galaxies are:

1. **computer simulations**
2. **space telescopes**