Cytokines
发表于 2025-3-25 06:20:31
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Ankylo-
发表于 2025-3-25 09:16:00
The Inferior Planetsis only telescope—a small 60-mm refractor—on the intensely bright white apparition low in the western sky after sundown. Using a medium power eyepiece, the image was focused to a tiny, albeit featureless white hemisphere in the twilight. Mercury took a few more years to spot, owing to its closer pro
arrhythmic
发表于 2025-3-25 15:11:40
Variable Stars, Comets and Meteorsan still make valuable contributions to the study of these fascinating suns. The observer estimates the brightness of the variable by comparing it with nearby stars of known magnitude. The observations are then plotted on a graph to create what is known as ., illustrating how the stars’ brightness v
盟军
发表于 2025-3-25 19:28:52
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Kernel
发表于 2025-3-25 23:26:18
Thiostrepton and Related Antibiotics, and thorium reached their maximum abundance. Since that era, the creation of these elements via supernova explosions (the only known source of uranium and thorium) has lagged behind the rate at which these elements decay. Since this time, a little under 5 billion years ago, the availability of these elements for planet building has decreased.
arbiter
发表于 2025-3-26 03:59:14
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Spongy-Bone
发表于 2025-3-26 07:11:18
Sol Invictus and thorium reached their maximum abundance. Since that era, the creation of these elements via supernova explosions (the only known source of uranium and thorium) has lagged behind the rate at which these elements decay. Since this time, a little under 5 billion years ago, the availability of these elements for planet building has decreased.
整理
发表于 2025-3-26 09:14:55
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奇思怪想
发表于 2025-3-26 15:18:50
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改正
发表于 2025-3-26 18:10:16
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