About
Astronomy, a natural science, is the study of celestial objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae) and processes (such as supernovae explosions, gamma ray bursts, and cosmic microwave background radiation), the physics, chemistry, and evolution of such objects and processes, and more generally all phenomena that originate outside the atmosphere of Earth. A related but distinct subject, physical cosmology, is concerned with studying the Universe as a whole.
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Dwarf Planet Pluto Coffee Mug
Sale Price $14.33. Original Price $16.85. Comp. value
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Pillars of Creation Eagle Nebula M16 NGC 6611 JWT Canvas Print
Sale Price $297.00. Original Price $330.00. Comp. value
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Webb's First Deep Field Unveiled Postcard
Sale Price $1.54. Original Price $1.71. Comp. value
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The Earth seen from Apollo 17 aka The Blue Marble Pinback Button
Sale Price $4.14. Original Price $4.60. Comp. value
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Pillars of Creation Eagle Nebula M16 NGC 6611 JWT Poster
Sale Price $101.70. Original Price $113.00. Comp. value
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Infrared Image of the Milky Way Galaxy Coffee Mug
Sale Price $15.35. Original Price $18.05. Comp. value
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NGC 3372 Carinae Nebula from the Hubble Poster
Sale Price $49.50. Original Price $55.00. Comp. value
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Infrared Image of the Center of Milky Way Galaxy Poster
Sale Price $63.00. Original Price $70.00. Comp. value
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Infrared Image of the Milky Way Galaxy Mouse Pad
Sale Price $16.34. Original Price $18.15. Comp. value
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Orion Nebula Composition from Hubble and Spitzer Poster
Sale Price $54.50. Original Price $60.55. Comp. value
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Planet Saturn in Front of the Sun
Sale Price $2.37. Original Price $3.38. Comp. value
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Webb's First Deep Field Unveiled Poster
Sale Price $154.80. Original Price $172.00. Comp. value
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Andromeda Galaxy taken with hydrogen alpha filter Coffee Mug
Sale Price $15.35. Original Price $18.05. Comp. value
Dwarf Planet Pluto Coffee Mug
Sale Price $14.33. Original Price $16.85. Comp. value
Pillars of Creation Eagle Nebula M16 NGC 6611 JWT Canvas Print
Sale Price $297.00. Original Price $330.00. Comp. value
First Photograph of a Earthrise Taken by Apollo 8 Keychain
Sale Price $9.77. Original Price $10.85. Comp. value
The Earth seen from Apollo 17 aka The Blue Marble Pinback Button
Sale Price $4.14. Original Price $4.60. Comp. value
Webb's First Deep Field Unveiled Postcard
Sale Price $1.54. Original Price $1.71. Comp. value
Infrared Image of the Milky Way Galaxy Coffee Mug
Sale Price $15.35. Original Price $18.05. Comp. value
Swirling Clouds of Planet Jupiter Close Up Canvas Print
Sale Price $215.10. Original Price $239.00. Comp. value
North Temperate Belt Jupiter Swirling Clouds Poster
Sale Price $132.30. Original Price $147.00. Comp. value
Swirling Clouds of Planet Jupiter Close Up Poster
Sale Price $132.30. Original Price $147.00. Comp. value
Swirling Blue Clouds of Planet Jupiter Juno Cam Poster
Sale Price $181.80. Original Price $202.00. Comp. value
Hubble Space Telescope Probes the Early Universe Poster
Sale Price $54.41. Original Price $60.45. Comp. value
