What would the weight on the moon be ?

The fertilized egg  begins to develop into a hollow ball of cells called the blastocyst. 

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.

The answer is luminosity. hope this !