|
Name |
Timescale |
Description |
File Size |
 |
New York Forest.5 |
Actual Elapsed Time: 1 year (31,500,000 seconds) |
A forest in New York state undergoes dramatic changes over the course of a year. As the days get longer and warmer in spring... |
632 K |
 |
Forest Regrowth |
Approximate Elapsed Time: 20 years (630 million seconds) |
After destruction by fire, a forest in Montana is reborn. Growth is slow at first. The plants are small and almost shy, but then... |
504 K |
 |
Inner Planets |
Actual Elapsed Time: 10 years (315 million seconds) |
At this speed (roughly thirty million times faster than normal), Mercury and Venus whirl about the sun. The Earth, which completes its revolution about... |
104 K |
 |
Ozone.3 |
Actual Elapsed Time: 10 years (315 million seconds) |
Over the past three decades, the layer of ozone that protects us from harmful ultraviolet rays has been decreasing. A hole in the ozone... |
360 K |
 |
San Francisco Population |
Approximate Elapsed Time: 80 years (2.5 billion seconds) |
The San Francisco Bay Area is transformed from a series of isolated towns into a sprawling metropolitan area. In this time-lapse sequence, time has... |
568 K |
 |
Woman Age |
Actual Elapsed Time: 69 years (2.2 billion seconds) |
A young woman grows up and ages over many decades. By speeding up the action more than 200 million times, we can see the... |
480 K |
 |
Cape Cod.1 |
Actual Elapsed Time: 200 years (6.3 billion seconds) |
Although we think of land as solid and unchanging, in fact it is in constant motion. It's just that it is moving too slowly... |
552 K |
 |
Outer Planets |
Actual Elapsed Time: 100 years (3.2 billion seconds) |
The outer planets of the solar system - Jupiter, Saturn, Uranus, Neptune and Pluto - take long periods of time to revolve around the sun. In... |
136 K |
 |
Cape Cod.2 |
Actual Elapsed Time: 7,000 years (218 billion seconds) |
Cape Cod, a peninsula jutting off the coast of Massachusetts, is little more than a sand castle built by a glacier. In this animation... |
500 K |
 |
San Francisco Bay |
Actual Elapse Time: 10,000 years (315 billion seconds) |
Ten thousand years ago, San Francisco Bay wasn't a bay at all - it was a large flat region probably full of meadows and small... |
428 K |
 |
page 8 of 9 |
 |
 |
|
