Copyright © Michael Richmond.This work is licen...
slow version of animated HR diagram fast versio...
It might help to answer a few simple questions....
Now, watch again as I put one of the little pha...
Shooting a hockey puck
(Click the image below to watch Red-Navy-time m...
So, let's move the student farther away.(Click ...
The other half of the time (25% overall), theph...
Deep inside some stars,the conditions --- tempe...
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 ...
What happens is that a small section of the pla...
I've exaggerated the actual shifts by a factor ...
The spherical mini-waves expand outward and ove...
Click on the picture above to blink the two ima...
To make things EVEN simpler,let's assume that t...
Detecting gravitational waves
Here are the ships of the Red Fleetwhich happen...
Now, what happens if we watch the ropeover a lo...
Day 401 - 500 Click on the graph to see what ha...
Tools: Geometry and Time
Day 1 - 80 Click on the graph to see what happens.
The Luge track
So, putting it all together, if light behaves l...
Observe an Iridium Satellite Flare
Enhancing Strategic Discourse Systematically us...
Measure the Earth's Radius with a Stopwatch
Look at the time between two successive peak po...
All the waves we've seen so far havenot moved.W...
Since 50% of the photons from the laser will pa...
For example, consider a ball rolling towards a ...
Animation courtesy of The Virtual Telescope Pro...