Astronomy Apps

Elongation

Discover how the planets move relative to the Sun and stars.

View the sky through different astronomical filters.

Explore how the distances and motion of far away galaxies demonstrate the expansion of the Universe.

Explore how the rotation of galaxies demonstrates the existance of dark matter.

Observe how the stars of a galaxy orbit - and how they don't themselves cause spiral arms

Explore the motion of stars due to parallax and true spatial motion (proper motion).

Explore relationships between two quantities and perform analysis.

Observe how the planets move with respect to the stars and Sun.

Explore how different telescopes and instruments develope different pictures of clusters of stars.

View Color-Magnitude Diagrams (CMD) for clusters of stars in the Milky Way

Plan a survey of the sky looking for novae and supernovae. (Work in progress)

Explore real astronomical images.

Explore how the rotation of galaxies demonstrates the existence of dark matter.

Explore how the sound waves in a partially closed tube have resonances that depend on the length of the tube.

Explore how the waves are affected by the velocity, frequency, amplitude, and how waves combine to make larger or smaller waves.