In Class with Brian Cox - Brian answers student questions
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Channel: The Royal Institution of Australia
Views: 672,452
Rating: 4.8432126 out of 5
Keywords: Brian Cox (Academic), Physics (Field Of Study), Brian Cox (Film Actor), Science, RiAus, time travel, black holes, cosmology, space, Alien, school, student
Id: 1rQzq5t44Q8
Channel Id: undefined
Length: 42min 7sec (2527 seconds)
Published: Mon Oct 27 2014
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If you liked Brian in this you should check out his different wonders of series. There's life, the universe and I believe the solar system. He's very good at explaining things and his enthusiasm for knowledge is very inspiring.
Is his t-shirt the light board from Close Encounters of the third kind? Brilliant, I want one.
Parts of this gave me the heebeejeebies, particularly universe size and death of the universe type stuff.
Other parts though, made me think, and that's why I love astronomy. "The universe is expanding, and accelerating" How is this possible? Is there a force driving this expansion? Could it be a misconception of observation? Could it be driven by the fact we are observing objects at different distances (e.g. different millions of years ago) behave differently because we are observing from a singular time frame? I'm sure this has been put into the calculations used to reach the conclusion that everything in the universe is getting further and further away from one another, and accelerating.
Think about it.
You're looking at 2 objects. One is 500 million LY away, and the other, 1 Bil LY away. The further one is significantly older and would appear to be in the location and position it was 1 billion years ago. The closer one is in the same position and location it was 500 million years ago. The closer one however, isn't 500LY from the further one. Since they are both moving and accelerating, the further one moving faster, the further one might have appeared to be 500 million LY away from the original when its light reached the closer one 500 million years ago, but that's where it ends. So, to me, looking at distant objects and trying to perceive time and space together, is nearly impossible. What I'm seeing, is actually a chronological mess caused by the distortion that comes with time being bound to light.
It's mind boggling to explain, and yet, this guy does it so eloquently, explaining something as abstract as where things actually are in the universe. I may have some information wrong, but that's my universe as I currently understand it
This guy makes me feel like I'm not completely incompetent, I still have a chance as a scientist, and that modern physics and astronomy studies are so fucking cool and the topics are limitless. I really enjoyed this guy's answers.
Definitely not the Brian Cox I thought it was gonna be
Those really were fantastic questions!
It gives me a lot of hope for the future scientists of the world.
You know, as much as the answers were great, I was more impressed by the quality of the questions. I know the interviewer states the questions come from varying ages but there were some seriously good ones.