保护地球，探索宇宙，发现文明
2024年1月3日 A SAR Arc from New Zealand Image Credit & Copyright: Tristian McDonald; Text: Tiffany Lewis (Michigan Tech U.) Explanation: What is that unusual red halo surrounding this aurora? It is a Stable Auroral Red (SAR) arc. SAR arcs are rare and have only been acknowledged and studied since 1954. The featured wide-angle photograph, capturing nearly an...
The crescent moon, along with Jupiter (top right of Moon) and Venus (below Moon) appeared over the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida Feb. 22, 2023, as preparations continued for NASA’s SpaceX Crew-6 mission. NASA astronauts Stephen Bowen and Warren “Woody” Hoburg, UAE (United Arab Emirates) astronaut Sultan Alneyadi, and Ros...
你有没有想过下一次满月是什么时候？下一次上弦月是什么时候？现在，您可以通过构建自己的月相日历和计算器，轻松掌握一年中所有月相的日期和时间！ ·下载2024年日历 ·现在还提供低墨水打印件* 材料： 1、打孔机 2、黄铜扣件 3、剪刀 4、胶带 5、铅笔、黑色钢笔或记号笔 6、月相日历和计算器模板，双面打印，最好用厚纸或卡片纸 7、更换去年的日历？有关打印说明，请参见下面的步骤1。 观看教程 跟随这个视频教程来创建你的月相日历和计算器。向下滑动查看带照片的书面分步说明。 1. 打印 调整打印机设置为双面打印，并打印出月相日历和计算器模板，最好在厚纸或卡纸上打印。注意：建议打印，因为复制可能会导致错位问题。 更换去年的日历：要替换去年的日历，只需打印出新的日历轮和查看轮，PDF的第1-2页和第5-6页。别忘了保存你...
2024年1月2日 Rocket Transits Rippling Moon Image Credit & Copyright: Steven Madow Explanation: Can a rocket make the Moon ripple? No, but it can make a background moon appear wavy. The rocket, in this case, was a SpaceX Falcon Heavy that blasted off from NASA‘s Kennedy Space Center last week. In the featured launch picture, the rocket’s exhaust ...
2024年1月1日 NGC 1232: A Grand Design Spiral Galaxy Image Credit: FORS, 8.2-meter VLT Antu, ESO Explanation: Galaxies are fascinating not only for what is visible, but for what is invisible. Grand spiral galaxy NGC 1232, captured in detail by one of the Very Large Telescopes, is a good example. The visible is dominated by millions of bright stars and dark dust,...