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Space, Time and Einstein
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Anti-protons traveling 99.99995% speed of light

4 miles

The protons:

Seem 1000 times thinner

Have clocks that run 1000

times slower

Slide 16

What about the other definition of space (all the stuff up in the sky and in the universe?)

What about the other definition of space (all the stuff up in the sky and in the universe?)

Slide 17

Einsteinís General Relativity

Einsteinís General Relativity

We already know that space and time are intertwined

Gravity is a distortion of space and time itself

Moon orbiting the earth

Asteroid pulled into earth

Slide 18

Even light is bent by gravity!

Even light is bent by gravity!

Slide 19

Black holes

Black holes

Slide 20

Black hole evidence

Black hole evidence

Slide 21

www.astro.ucla.edu/%7Ewright/doppler.htm

www.astro.ucla.edu/%7Ewright/doppler.htm

(Object moving away)

Relative motion in the Universe

Red shift

(Object moving away)

Red shift

Slide 22

The Universe is expanding!

The Universe is expanding!

A small view from the Hubble Space Telescope. Each blob is a galaxy with 100,000,000,000 stars!

The stars are all moving away from us, and away from one another

The Big Bang: The Universe was really tiny at its birth 13.5 billion years ago

Slide 23

Summary

Summary

Space and time are relative

Moving things look shorter and move slower

Space-time is bent by matter

Light is bent by matter

Redshift and blueshift of light is used to detect relative motion in the universe

The present universe is expanding

If you want to learn more about the universe, Einstein or smashing protons and anti-protons together Ö

Slide 24

Fermilab

Fermilab

Come visit Fermilab!

Lots of fun science demos at the labís Lederman Science Center

Walk the prairies

See the labís bison

Come for ask-a-scientist

www.fnal.gov

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