Originally posted by: silverpig
Originally posted by: Dead Parrot Sketch
"No, let the high schooler think what he wants to think. Anyone with a one-semester knowledge of general chemistry would know that anything that hasn't been found wouldn't be stable enough to have survived billions of years. This is obvious and intuitive. "
Really ? I guess you know what dark matter is made out of then ?
Dark matter is not made of the same material as normal matter. The periodic table classifies chemical elements which are made of protons, neutrons, and electrons only. Dark matter is NOT made of these things, hence it would not show up on the periodic table. The most likely contituent of dark matter is a particle called a WIMP (weakly interacting massive particle). WIMPS do not interact with normal matter (or even themselves it seems) and would therefore not be found sitting on the surface of mars.
The periodic table is mostly relevant to chemists, but there are other tables that list the subatomic particles and the particles resulting from their combinations (quarks/bosons, leptons etc).
To be sure though: Dark matter won't show up on the periodic table.