Outer Space
- Drive The Maine Solar System Model: Aroostook County, in Northern Maine, a 40 mile (64.6 km) long scale model of the solar system, at a scale of 1 mile equaling the distance from earth to sun. The model extends along Route 1, between the University of Maine at Presque Isle campus and the Houlton Information Center at the end of I-95. The model has ten major components, those being the sun and the nine planets from Mercury to Pluto, with moons for Earth, Saturn, Jupiter (4) and Pluto.
- American Meteor Society: This site lists fireball events and has a page where you can record sightings of fireballs.
- NASA: The official website of NASA
- NASA Images: Massive repository of NASA images.
- Hubble Space Telescope: An overview how the Hubble Space Telescope changed our understanding of the universe
- Space images & news: Via space.com
- Sky & Telescope: the official website of Sky & Telescope – Astronomy and Observing News
- Space Weather: News and information about the Sun-Earth environment. Many interesting fun facts.