标签: HII区

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M33的氢气云

2023年10月13日 Hydrogen Clouds of M33 Image Credit & Copyright: Reinhold Wittich Explanation: Gorgeous spiral galaxy Messier 33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away. The galaxy’s central 3...

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M33的氢气云

2021年9月30日 The Hydrogen Clouds of M33 Image Credit & Copyright: Luca Fornaciari Explanation: Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away. Sprawling along loose spiral arms...