ACTIVITIES on Parallax

Alien Eyes
Online interactive game on parallax and vision through the eyes of an alien.

Parallax
This lab activity explores the concept of parallax to determine distances to an object. How does the baseline affect parallax and what are the limits of parallax?

Parallax Java Applet
Play with this applet on parallax. More on stellar distances.

Distances---Trigonometric Parallax
Read and answer the questions at the end.

Determining Astronomical Distance Scale
Tutorial and online lab. Take notes and do the exercises as you go. Click to open the virtual laboratory frameset at the bottom of the page and then choose "Labs for Semester 2" and then "Lab 4: Determining Astronomical Distance Scales" from the menu on the right. Print out the answer sheet .
Activity 8: Trigonometric Parallax
A lab activity to apply your knowledge of parallax in determining distances.
ACTIVITIES on Brightness and Magnitude
Why does the world gets dark so fast outside the circle of the campfire?
Lab investigating the change in the area covered and brightness of a light source with distance.

More Inverse Square Law
Java applet on the inverse square law - you can take and plot data.

Distances---Inverse Square Law
Read and answer the questions at the end.

Magnitude System
Read and answer the questions at the end.

Magnitude and Parallax Review
Answer questions on pages 3B, C and D of Milliken Publishing's "The Universe".