polysomnography
发表于 2025-3-21 20:00:42
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建筑师
发表于 2025-3-21 22:07:11
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星球的光亮度
发表于 2025-3-22 02:26:04
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不自然
发表于 2025-3-22 08:37:22
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violate
发表于 2025-3-22 12:30:42
In Orbit was deployed would prolong its life in orbit—because even at this altitude, there is enough residual atmosphere to slow down such a huge satellite and cause it to descend gradually. Five hours after launch, the satellite transmitted its first signals, but . was still providing power. One day later,
DAUNT
发表于 2025-3-22 14:04:20
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BILK
发表于 2025-3-22 20:04:23
The Second Servicing Missionre and nature of various astronomical objects. It also led to optimism about the second servicing mission, in which Hubble was to be outfitted with new and better detectors. After all, the scientific instruments used for Hubble had been developed more than 10 years previously and were no longer quit
Cacophonous
发表于 2025-3-23 01:03:35
The Basic Questions of Cosmologyogy. For instance, scientists want to know the average density of matter in the universe — that is, how much mass per volume exists if all planets, stars, gas clouds, and so on, were “ground up” and equally distributed in space. We can follow this thought experiment easily and can even realize that
玛瑙
发表于 2025-3-23 04:09:01
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flourish
发表于 2025-3-23 09:20:25
The Search for Cosmic Numbersunexpected results of the theoretical investigations in cosmology at the beginning of the twentieth century. Some of these fundamental equations are as simple as can be. The distance and the redshift of a galaxy (due to its cosmic expansion velocity) are connected by the simple relationship . = ., w