Course: Science Subtest I
Lesson: Astronomy
Topic: Accelerators in Astronomical Research       Page 1 of 12  

Diagnostic Question



1. It is difficult to reproduce in a laboratory the conditions in stars or in the early universe because:

Ahydrogen and helium are rare on earth
Bit is hard to achieve the high energies of the reacting particles
Cantimatter cannot be produced in a laboratory
Dall of the above