Answer :
Hey there!
The analysis of the light of the stars gives us a simple image of the Universe, according to which it is made of hydrogen and helium; At a more fundamental level, with the electrons being very light particles, the mass of the Universe resides in the baryons (generic term that includes both protons and neutrons).
Hope it helps you!
The analysis of the light of the stars gives us a simple image of the Universe, according to which it is made of hydrogen and helium; At a more fundamental level, with the electrons being very light particles, the mass of the Universe resides in the baryons (generic term that includes both protons and neutrons).
Hope it helps you!