Gamma ray bursts were first recorded while trying to detect ...

[ENagel]

Gamma ray bursts were first recorded while trying to detect _____.
 
  a. solar flares
 b. the Aurora Borealis
 c. nuclear reactor accidents
 d. nuclear tests
 e. particle accelerator leakage

Question 2

In Kepler's model of the Universe, what was the purpose of the five regular solids?
 
  a. To differentiate the six planets
 b. To define the shape of each of the orbits
 c. To describe the internal shape of each planet
 d. To be spacers for the orbits of the six planets
 e. To support the calculations of each orbital period

[Danny Ewald]

Answer to Question 1

d

Answer to Question 2

d

[ENagel]

Gracias!

[chereeb]

Excellent