AGE AND STRUCTURE OF THE EARTH
- What's up in the sky? Follow the observing link at
Sky & Telescope
- Compuerized version of
- Galileo's leaning tower of Pisa experiment - on the moon:
- Computer Programs
- Open source planetarium program:
- N-body code from
pioneer of N-body computation.
Astronomical Programs specifically created for this course
Hamilton. Build your own solar systems,
learn about astronomical
distances and giant impacts,
practice scientific notation and working with equations, and more!
Watch the planets move around the Sun on their actual orbits!
Follow this link to the Inner Solar System and Outer Solar
Check out the orbits of all 67 moons orbiting the planets in our
JavaLab for the curious.
Collide or cannibalize your own galaxies, explore the
expansion history of the cosmos, and more!
Supplementary Information for UMD Introductory Astronomy. This
site includes useful practice multiple choice questions which
the computer will grade for you.
Astronomy Picture of the Day This site is updated daily and
has a nice archive of pretty astronomy images.
of the Universe on a logarithmic scale to show it "all."
- Artificial Satellites
- Current Mars
Rover missions: Spirit & Opportunity.
- Welcome to
the Planets Information about planets and spaceprobes from JPL.
- A Tour of the Solar
System This page contains information about the planets,
satellites, asteroids, comets, and Solar System related topics.
- Deep Impact:
Maryland Astronomy's NASA mission to crash into a comet.
- Comet Information This
page contains information about recently discovered comets.
- Comet Crash
pictures and movies.
This page contains information about this program which searches for
near Earth objects.
- Extra Solar Planets
Astronomers have discovered planets around other stars. The list
lengthens all the time!
STARS & OUR GALAXY