保护地球，探索宇宙，发现文明
An illustration is shown which is a decision tree for identifying a light that might be seen in the sky. The background is gray, and the text is black in red-lined boxes. Please see the explanation for more detailed information.
图表展示了一个决策树的图示，用于识别天空中可能出现的光。背景为灰色，文本以红色边框方框呈现。有关更多详细信息，请参阅说明。
2022年11月27日 Supernumerary Rainbows over New Jersey Image Credit & Copyright: John Entwistle Explanation: Yes, but can your rainbow do this? After the remnants of Hurricane Florence passed over the Jersey Shore, New Jersey, USA in 2018, the Sun came out in one direction but something quite unusual appeared in the opposite direction: a hall of rainbows. O...
2021年11月14日 How to Identify that Light in the Sky Illustration Credit & Copyright: HK (The League of Lost Causes) Explanation: What is that light in the sky? Perhaps one of humanity’s more common questions, an answer may result from a few quick observations. For example — is it moving or blinking? If so, and if you live near a city, the answ...