流利圆滑
发表于 2025-3-23 11:06:47
What Can Be Seen in an Open Star Cluster?,avity. Over long periods of time, condensations form within these nebulae and now gravity really has something to pull together. The elements in the nebula are finally forced so close together that these atoms start fusion reactions, and with that a star is formed. (See .)
BLAND
发表于 2025-3-23 17:29:32
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Obituary
发表于 2025-3-23 20:09:14
A Magical Evening, were going anyway. With A.J.’s trusty 8 incher in his van and my 6 inch RFT in the truck we got on the freeway and passed the time on the CB radio talking about computers, tele scopes and plans for next weekend, when the Moon is New. (See .)
狗舍
发表于 2025-3-23 22:11:16
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concentrate
发表于 2025-3-24 06:08:03
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值得尊敬
发表于 2025-3-24 08:42:04
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使成波状
发表于 2025-3-24 12:16:39
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主动
发表于 2025-3-24 18:06:57
What Can I Observe in a Cluster of Galaxies ?,as informed me that this is a very reasonable criterion for making a list of the best and brightest galaxy clusters. Brian is very knowledgeable and so it is this criterion I chose for the listing in the table.
大雨
发表于 2025-3-24 20:43:30
Deep Sky Observing978-1-4471-0365-3Series ISSN 1431-9756 Series E-ISSN 2197-6562
antidote
发表于 2025-3-24 23:59:53
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