Before we start i’d just like to apologise for our low activity on Rationalising the Universe as of late – given the Christmas period we’ve both been rather busy with family festivities but we’re about to jump back on the science wagon with full force. I hope everybody had a very merry Christmas!
Today we venture to the dark side in order to encounter the two most mysterious and shady characters in our universe: dark matter and dark energy.
Dark matter was first identified as the “missing mass” in galaxies and clusters required to explain their kinematic properties. The reason it is called ‘dark’ is because the matter does not emit or interact at all with electromagnetic radiation (such as light) it is therefore invisible to the entire electromagnetic spectrum. We cannot see it in visible, we cannot see it in infrared, we cannot see it period. Observations of the…
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