"The Universe is Shrinking" --Bold New Theory Challenges Standard View of an Expanding Cosmos

The cosmological increase of this ratio can also be attributed to shrinking ... The Universe still expands rapidly during a short-lived period known as inflation. But prior to inflation the Big Bang no longer contains a 'singularity' where the density ...Astronomy Without A Telescope – Flat Universe

to account for how our universe sustains its critical density in the face of expansion, let alone accelerated expansion – since whatever it is appears out of nowhere. So, we appeal to dark energy to make up the deficit – without having a clue what it is.Could an Asteroid have Wiped Out the Dinos?

Mass first. For a sphere that’s 10 km in diameter, let’s assume it’s got the same density as typical rocks ... When I put those numbers in (along with G), I get that the total kinetic energy of the asteroid just before it impacts Earth is just ...- Eureka #25: Volume ... solve problems. mass - the amount of matter in an object; measured in this experiment with grams (g) volume - the amount of space an object takes up; measured in this experiment with cubic centimeters (cm3). density - the ratio ...
Higgs triumph opens up field of dreams

By 8:00 a.m., the fire brigade was turning away bleary-eyed ... The bump was the clear signal of a Higgs particle at a mass of around 125 gigaelectronvolts (mass and energy are used interchangeably in particle physics). Both the ATLAS and the Compact ...

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