Astronomy

Definition of Astronomy Hierarchical Category as it relates to Hobbies, Stamp Collecting

The pursuit and study of celestial bodies and phenomena beyond Earth's atmosphere, often commemorated through specialized stamp collecting, forming part of leisure activities or hobbies dedicated to gaining knowledge about the universe and its wonders.

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External Links
Astronomy Net – Astronomy tales from affable amateur astronomers. (Astronomy.net)
Moravian College Astronomy (Astronomy.org)
Index of / (AstronomyBooks.us)
Education.com | #1 Educational Site for Pre-K to 8th Grade (KidsAstronomy.com)
Welcome stellarastronomy.net - Justhost.com (StellarAstronomy.net)
Astronomy For Beginners (Learn How to Get Started) (AstronomyforBeginners.com)
Amateur Astronomy | The Essential Journal for Practicing Amateur Astronomers (AmateurAstronomy.com)
Welcome - Amateur Astronomy (AmateurAstronomy.net)
Hamilton Amateur Astronomers - The Hamilton Amateur Astronomers is a group of individuals dedicated to the enjoyment and advancement of astronomy. Celebrating 25 years!Hamilton Amateur Astronomers | The Hamilton Amateur Astronomers is a group of individuals dedicated to the enjoyment and advancement of astronomy. Celebrating 25 years! (AmateurAstronomy.org)
DayStar Filters - Ultra narrow Bandpass filters (SolarAstronomy.net)
www.solarastronomy.org where the Sun always shines! (SolarAstronomy.org)
Gastronomy.com (Gastronomy.com)
Home - IAAS (AstronomyResearch.net)
My Blog – My WordPress Blog (AstronomyBasics.com)
Space.com: NASA, Space Exploration and Astronomy News (Space.com)
Dark Skies and Society – Where astronomy meets sustainable development (DarkSkyTourism.com)
Ted's Astropix: Directory of Astronomy Pages (Saker.com)
Baryons.org - Basic Astronomy RepositorY for OpeN-source Software (Baryons.org)
Diffraction Limited - Astronomy Scientific Imaging Solutions (Cyanogen.com)
Earthworks-jobs.com - Jobs in Oil, Energy, Gas, Geoscience, Geosciences, Geology, Mining, Geography, Environmental Science, Environmental Sciences, Remote Sensing, GIS, Earth Sciences, Climate, Atmospheric Sciences, Meteorology, Hydrology, Hydrogeology, Water, Gas, Ecology, Conservation, Conservation Biology, Plant Science, Oceanography, Marine Sciences, Earth Sciences, Geophysics, Geotechnical Engineering, Civil Engineering, computing, Aquaculture, Space Sciences, Astronomy, Planetary Sciences, Forestry, Agriculture, Botany, Refinery, Remediation, Contaminated Land, Reservoir Engineering, Petroleum Engineering, Petrophysics, Seismic, Well, Drilling, Sustainable Development, management, recruitment, careers with Earthworks UK, London, Europe, USA, Canada, Australia, New Zealand, NZ, Scandinavia, Africa, South America, vacancies, vacancy advertising. (Earthworks.co)
Springfield STARS – Amateur Astronomy in Western Mass (Reflector.org)
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