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- 12P/Pons–Brooks
- 40 Eridani
- A
- Abigail Burrows
- Alive Galaxy Tour
- An
- Arizona
- Astronomica
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- Astronomical survey
- Astronomy
- Astrophotography
- Bok globule
- Boötes void
- Causata
- Cerro Tololo Inter-American Observatory
- Charge-coupled device
- Chile
- Cosmic
- Cosmic distance ladder
- Cosmic exploration
- Daniel K. Inouye Solar Telescope
- Dark energy
- Dark Energy Spectroscopic Instrument
- Dark Matter
- Dartmouth College
- Digital single-lens reflex camera
- DOI
- Earth
- Echt
- Ecological crisis
- Exploration
- Ga'at
- Galaxies
- Gemini Observatory
- Geographic coordinate system
- Glossary of astronomy
- GOE
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- Gum Nebula
- International Standard Book Number
- Kitt Peak
- Köppen climate classification
- Kuiper belt
- Large Synoptic Survey Telescope
- Light
- Light pollution
- Los Angeles
- Measurement
- Messier 78
- Messier object
- Methane
- Metric expansion of space
- Mexico
- Most
- National Observatory
- National Optical Astronomy Observatory
- National Science Foundation
- National Solar Observatory
- Near-Earth object
- New
- New Mexico
- Nicholas Mayall
- Observatory
- Oceanic climate
- Ook
- Pima County, Arizona
- Planet
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- Precision
- PubMed
- Reaching for the Stars
- Reflecting telescope
- Result
- Richard Green
- Rubin Observatory
- Solar telescope
- Sonoran Desert
- Southern Astrophysical Research Telescope
- S.P.O.C.K
- Star
- Stellar rotation
- Steward Observatory
- Suggest
- Sun
- Telescope
- The Dark Energy Survey
- The sun
- The way
- Things to do
- Tucson
- Tucson, Arizona
- Universe
- University of Arizona
- Vatican Observatory
- Very Long Baseline Array
- Víctor M. Blanco Telescope
- Wayback Machine
- Western Regional Climate Center
- William Myron Keck
- W. M. Keck Observatory