With the help of physics.I can measure the distance to the lamp in the projector if I screw the lens.Many people here are old enough to remember cameras with light meters.It works if the universe is full of 100 W lamps, but it is not.We must have a counterpart, a so-called standard candles.In a telescope, we see how bright it is, and then we can calculate the distance.After eighty years, we have finally found a standard light.Not so far away, by the way, only 70 million light years.Here is a star that shines as strong as the galaxy's centerIt could be a star in our own galaxy, but it is not.There is a star on the edge of the galaxy shining as 10 billion stars.-as strong as 10 billion stars. It's not a matter of course.It is important. endobj physicist lawrence Krauss said the 95 percent quoted for climate change is equiv- alent to the current certainty among physicists that the universe is 13.8 billion years old. Royal Swedish Academy of Sciences and Fri Tanke (Free Thought Publishers) presents this springs pi-lecture. His focus on fundamentals has the benefit of keeping the book relatively lean and maintaining its momentum, but the description on the cover could have been more explicit.Parts of the book are just too superficial to be of much use.
<> The matter we can observe represents some 4-5% of the Universe.
It was very frustrating.But although everything pointed to an open universe, there was a problem.But if you weigh matter around galaxies can miss something.and calculate the expansion of the universe and curvature.Is not it better to measure the universe's geometry directly?Of course! And in just over a decade we have been able to do it.How to measure the universe's geometry?
The Skeptics' Guide to the Universe. Google Scholar.
This is how matters that are of interest.How did the universe and how do we know? Introduction: It is now my pleasure to introduce our moderator, Dr. Rachael Kohn. She is an academic, author, and broadcaster. Xaǣ�g � It allows us to weigh the universe.Here we see the phenomenon that Einstein never thought we would see.This is an image from the Hubble of a galaxy cluster.The light was sent out before the earth was formed. <>
7 0 obj Higgs field is like that.Everything falls clearly in place using the Large Hadron Collider.The only closed universe that does not collapse immediately-A closed universe that exists until we are there, look flat.I'm talking about a nothing but particles, radiation, space and time.Does that prove that the universe was created from nothing ?
... "Lawrence Krauss - Life, the Universe, and Nothing: A Cosmic Mystery Story " - Duration: 1:17:35.
But where did the laws come from? T 2013 014017.
6 0 obj In his book A Universe from Nothing, Krauss seeks to answer the age-old question, “Why is there something rather than nothing” without reference to God. If you can predict all the universe-In this case, the physical laws we measure just a coincidence.Then we have neither the laws of physics, space, time, particles or radiation.I was going to honor my deceased friend Christopher Hitchens.The first to realize the of course, was George Orwell.
It was an amazing experience. %����
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