不成比例
发表于 2025-3-30 10:19:17
place.Hints and Tips from one from the world’s most famous any popular books upon astronomy have been written during the Mpast few years, but most of them cater either for the casual dabbler who is content to learn from the depths of his armchair or else for the serious amateur who already knows th
Palpable
发表于 2025-3-30 13:03:12
each other..Allows for the creation of a personalized obser.Every amateur astronomer has at least heard of the many different catalogs of deep-sky objects; the most well known are the Messier, the Caldwell, the Herschel, and the NGC. All of these catalogs are, in general, readily available, but ve
施舍
发表于 2025-3-30 20:12:20
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容易懂得
发表于 2025-3-30 23:08:26
R. K. Dodd each other..Allows for the creation of a personalized obser.Every amateur astronomer has at least heard of the many different catalogs of deep-sky objects; the most well known are the Messier, the Caldwell, the Herschel, and the NGC. All of these catalogs are, in general, readily available, but ve
腼腆
发表于 2025-3-31 03:59:32
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ALLAY
发表于 2025-3-31 08:50:01
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Reverie
发表于 2025-3-31 10:59:06
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自由职业者
发表于 2025-3-31 14:13:20
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Organization
发表于 2025-3-31 21:00:01
I. Marshall each other..Allows for the creation of a personalized obser.Every amateur astronomer has at least heard of the many different catalogs of deep-sky objects; the most well known are the Messier, the Caldwell, the Herschel, and the NGC. All of these catalogs are, in general, readily available, but ve