Offensive
发表于 2025-3-25 04:31:31
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类似思想
发表于 2025-3-25 07:30:31
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报复
发表于 2025-3-25 14:19:36
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考古学
发表于 2025-3-25 16:55:24
Developing International Strategiesthrough this relatively gentle stage; it explodes in a shattering supernova. A star much less massive than the Sun simply fades out slowly, like an ember from a campfire. As you look out into the Milky Way, over half of the stars you see will pass through this planetary nebula phase as their final curtain call.
推崇
发表于 2025-3-25 20:21:09
https://doi.org/10.1007/978-3-642-24725-5s of the Moon and planets and fine detail in some deep-sky objects. However, many objects in the sky are too large to fit into the field of view of a high-power eyepiece. These objects demand a wide field of view to appreciate their beauty and delicate form. (See .)
Exaggerate
发表于 2025-3-26 01:26:55
Why Should I Take Notes While Observing?,otes. My first observing notebook is filled with cryptic things like “Wow” or “Not much”. You can do better than that! If you take the time to find it, at least document it with some description of the object. Even if you don’t plan to ever look at this faint fuzzy again, give it a decent epitaph.
睨视
发表于 2025-3-26 04:29:50
How Can I Find All These Deep-Sky Goodies when the Sky Is So Huge?, way around the dome of the sky can take the fun out of astronomy very quickly. Being able to point your telescope accurately at the target you are seeking will define your ability to have some joy in your observing: no find, no fun. Seems obvious.
gregarious
发表于 2025-3-26 12:00:21
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银版照相
发表于 2025-3-26 15:25:02
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可触知
发表于 2025-3-26 17:26:22
What Can Be Seen Within Planetary Nebulae ?,through this relatively gentle stage; it explodes in a shattering supernova. A star much less massive than the Sun simply fades out slowly, like an ember from a campfire. As you look out into the Milky Way, over half of the stars you see will pass through this planetary nebula phase as their final curtain call.