每日一图 (每日约13.30更新)

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What does it mean for Saturn and Neptune to be in retrograde? Featured is a composite of images taken over 34 nights from May 2025 to February 2026 tracing Saturn (brighter, foreground) and Neptune (dimmer, background). Over that time, the two planets exhibited retrograde motion, meaning they appeared to move backward in the sky. This apparent backwards motion occurs when Earth overtakes the slower outer planets as they orbit the Sun. Imagine the Solar System is a running track. Earth "runs" faster along the inside of the track compared to the outer planets. As Earth approaches, aligns, and then "laps" the outer planets, they change position from ahead to behind from the Earth's perspective. This perspective shift is what causes the outer planets to change position in the night sky. An animation corresponding to today’s image shows Saturn and Neptune’s months-long dance across the northern night sky. Saturn stepped from the Pisces constellation into Aquarius and back again while Neptune remained in Pisces. This is the closest Saturn and Neptune have been in the sky since their last conjunction in 1989.

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用户吴鹏 2023-06-07 18:22:40 说:

你好,幸会了!

生存问题虽然没有解决,但是决定全身心开始工作

From: 吴鹏 源于推荐阅读 2023-04-23 17:14:18

大奖,一直没有。

收入一直没有。但是,我知道,时间越少越少,

危机越来越多。

我必须开始全身心投入工作了。

必须完成我的使命和责任。

首先需要构思大概内容。书写出来。

在新网站上。

然后,每天写一些思想,充实内容。

数学逻辑学物理学,很多地方不明确,

但是,没法细致研究了,必须完成我的工作。

那就把想法写出来吧。

提纲,细节。未来伏笔。过去埋笔。

都要用文字体现出来。开始吧。阿们。