Lunisolar Calendar (Popularity: )

Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase ...
Category: Science\Astronomy\Calendars and Timekeeping

Planet X: The Facts, The Myths (Popularity: )

examines the ancient and modern myths about a mysterious planet.
Category: Science\Anomalies and Alternative Science\Planet X

Astro Portal - CalSKY (Popularity: )

The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well ...
Category: Science\Astronomy\Calendars and Timekeeping

The Astro Pages (Popularity: )

Astrophotos, articles, discussion boards, telescope making, observer's logs, and calendar.
Category: Science\Astronomy\Amateur

Sky Diary and Monthly Observing Notes (Popularity: )

ISS, planets, sun, moon, and meteor showers by the month with links.
Category: Science\Astronomy\Amateur\Sky Calendars

Cosmobrain (Popularity: )

Lists the 50 brightest stars visible from Earth, and the 50 closest stars to Earth. ...
Category: Science\Astronomy\Stars

Comets, Culture, & Currency (Popularity: )

direct social and physical impact of comet debris during the holocene and long term impact ...
Category: Science\Anomalies and Alternative Science\Catastrophism

ScientificAmerican.com (Popularity: )

News and feature articles (some free, some archived), space calendar, astronomy interactives, and book reviews.
Category: Science\Astronomy\News and Media

Global Disaster Watch (Popularity: )

Current worldwide natural disaster warnings and updates - volcanoes, flooding, landslides, drought, hurricanes, earthquakes, tsunamis ...
Category: Science\Earth Sciences\Geology\Geologic Hazards

Transit of Mercury Live images (Popularity: )

Webcam announcement from Worth Hill Observatory in the UK.
Category: Science\Astronomy\Eclipses, Occultations and Transits\Transits

Arkansas Sky Observatory (Popularity: )

Comet and minor planet astrometry and photometry, including NEO's and PHA's.
Category: Science\Astronomy\Solar System\Asteroids, Comets and Meteors

The Salopian Web (Popularity: )

Software links for astronomers professional, education and amateur. Planetaria, sky charts, and databases for PC, ...
Category: Science\Astronomy\Software

SpaceTethers.com (Popularity: )

Approaches the problem of lowering the cost to orbit by advocating the idea of a ...
Category: Science\Aeronautics and Aerospace\Propulsion

NOVA: Death Star (Popularity: )

learn about mysterious gamma-ray bursts. Features include a glossary of extraterrestrial wonders and a self-guided ...
Category: Science\Physics\Astrophysics\Gamma-Ray Observation

Geophysical Meteors (Popularity: )

Meteor-like geophysical phenomena, often preceding bad weather.
Category: Science\Earth Sciences\Geophysics

Global Disaster Watch (Popularity: )

Current worldwide natural disaster warnings and updates - volcanoes, flooding and landslides, drought, hurricanes, earthquakes, ...
Category: Science\Earth Sciences\Natural Disasters and Hazards\Warnings and Forecasts

Christa McAuliffe Planetarium (Popularity: )

Named after teacher aboard the space shuttle Challenger that exploded in 1986. Located in Concord, ...
Category: Science\Astronomy\Institutions\Planetariums

Destination: MARS (Popularity: )

Information, animations and a set of themes illustrating various facets of the red planet.
Category: Science\Astronomy\Solar System\Mars

Bosco's RockPile (Popularity: )

A site for sharing dinosaur, paleontology, geology, rock and mineral pictures, sites and information.
Category: Science\Earth Sciences\Paleontology\Directories

Observing Meteor Showers (Popularity: )

A month-by-month guide with basic tips.
Category: Science\Astronomy\Solar System\Asteroids, Comets and Meteors