Astronomy Picture of Day: Beautiful Trifid - Astronomy版

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Astronomy版 - Astronomy Picture of Day: Beautiful Trifid

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● Astronomy Picture of Day: Thor's Helmet	● Astronomy Picture of Day: star cluster in motion
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● Astronomy Picture of Day: Helix Nebula	● Astronomy Picture of Day: Spiral M33
● 每日一图疏散星团M38	● 每日一图美洲天文台的夜空 -大小麦哲伦和南十字架
● Astronomy Picture of Day: Cluster M38	● Astronomy Picture of Day: Planet, White Dwarf and
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相关话题的讨论汇总
话题: trifid话题: beautiful话题: nebulae话题: picture话题: astronomy

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s*****t
发帖数: 1994

A Beautiful Trifid
Credit & Copyright: Jim and Janet Castano, Adam Block, NOAO, AURA, NSF
Explanation: The beautiful Trifid Nebula (aka M20), a photogenic study in cosmic contrasts,
lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star
forming region in the plane of our galaxy, the Trifid alone illustrates three basic types of
astronomical nebulae; red emission nebulae dominated by light from hydrogen atoms, blue
reflection nebulae produced by dust reflec

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相关主题
● China Joins Thirty Meter Telescope Project	● Astronomy Picture of Day: Cluster M38
● GMT第一炸	● 每日一图疏散星团M35和NGC 2158
● 较亮的星云	● Astronomy Picture of Day: Egg Nebula
● NGC 2440（英文原文）	● Astronomy Picture of Day: Planetary Nebula
● Astronomy Picture of Day: Thor's Helmet	● Astronomy Picture of Day: star cluster in motion
● Astronomy Picture of Day: Dumbbell Nebula	● Astronomy Picture of Day: Outer Shells of Centaur
● Astronomy Picture of Day: Helix Nebula	● Astronomy Picture of Day: Spiral M33
● 每日一图疏散星团M38	● 每日一图美洲天文台的夜空 -大小麦哲伦和南十字架

相关话题的讨论汇总
话题: trifid话题: beautiful话题: nebulae话题: picture话题: astronomy

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