Travel Pictures

Here are the ships of the Red Fleetwhich happen...

So, let's move the student farther away.(Click ...

The other half of the time (25% overall), theph...

Since 50% of the photons from the laser will pa...

Day 1 - 80 Click on the graph to see what happens.

Copyright © Michael Richmond.This work is licen...

For example, consider a ball rolling towards a ...

(Click the image below to watch Red-Navy-time m...

Now, watch again as I put one of the little pha...

Copyright © Michael Richmond.This work is licen...

Click on each picture to see an animated sequen...

Joe then hops onto the Green Navy ship Green Fl...

Now, suppose light acts like a wave instead.If ...

So, putting it all together, if light behaves l...

Shooting a hockey puck

The Luge track

I've exaggerated the actual shifts by a factor ...

The spherical mini-waves expand outward and ove...

What happens is that a small section of the pla...

It might help to answer a few simple questions....

Look at the time between two successive peak po...

slow version of animated HR diagram fast versio...

Measure the Earth's Radius with a Stopwatch

Day 401 - 500 Click on the graph to see what ha...

Tools: Geometry and Time

Now, what happens if we watch the ropeover a lo...

Deep inside some stars,the conditions --- tempe...

Observe an Iridium Satellite Flare

Enhancing Strategic Discourse Systematically us...

Now, watch again as I put one of the little pha...

Detecting gravitational waves

All the waves we've seen so far havenot moved.W...

Click on the picture above to blink the two ima...

To make things EVEN simpler,let's assume that t...

Animation courtesy of The Virtual Telescope Pro...