2025 年 7 月

NASA·每日一图

恒星二重奏

NASA’s Hubble Space Telescope captured a bright variable star, V 372 Orionis, and its companion in this festive image in this image released on Jan. 27, 2023.
NASA的哈勃太空望远镜拍摄到一颗明亮的变星V 372猎户座及其伴星,并于2023年1月27日发布了这张充满节日氛围的图像。

天文·每日一图

红与蓝色的昴宿星团

A cluster of bright blue stars is seen near the bottom of this starfield. Nebula around the stars is blue near the stars but red elsewhere. Please see the explanation for more detailed information.
在这片星场的底部附近可以看到一簇明亮的蓝色恒星。恒星周围的星云在靠近恒星的地方呈蓝色,但在其他位置则呈红色。有关更多详细信息,请参阅说明。

NASA·每日一图

在太空工作

In this May 23, 2025, image, NASA astronaut Jonny Kim works inside the SpaceX Dragon cargo spacecraft completing cargo operations before it undocked from the International Space Station’s Harmony module several hours later.
在这张拍摄于2025年5月23日的照片中,NASA宇航员乔尼·金在SpaceX龙飞船内部工作,完成货物操作,几个小时后飞船与国际空间站的协和号节点舱分离。

天文·每日一图

星际彗星3I/ATLAS

A drawing of our Solar System shows the orbits of Jupiter and interior planets. A white line shows the trajectory of passing comet 3I/ATLAS. Please see the explanation for more detailed information.
这张太阳系图展示了木星和内部行星的轨道。白线表示彗星3I/ATLAS的轨迹。有关更多详细信息,请参阅说明。

天文·每日一图

火星的北极螺旋

A computer construction of what the north pole of Mars looks like. The picture was constructed from measured altitude data. A spiral landscape is seen that is colored red but is mostly covered with white ice. Please see the explanation for more detailed information.
火星北极的计算机建模图。该图基于测量的高度数据构建。图中可见一个螺旋状地貌,颜色为红色,但大部分被白色冰层覆盖。有关更多详细信息,请参阅说明。

新闻

NASA发现一颗穿越太阳系的星际彗星

7月1日,由NASA资助的ATLAS(小行星地球撞击最后预警系统)位于智利里奥乌尔塔多的望远镜首次报告观测到一颗来自星际空间的彗星。这颗彗星来自人马座方向,现已正式命名为3I/ATLAS。目前,它距离地球大约4.2亿英里(6.7亿公里)。

NASA·每日一图

火星上的星条旗

The United States flag adorns an aluminum plate mounted at the base of the mast, or “head,” of NASA’s Perseverance Mars rover.


美国国旗装饰在一块铝制铭牌上,这块铭牌安装在NASA毅力号火星车桅杆(或称“头部”)的底座上。

天文·每日一图

豺狼新星V462目前可见

A starfield is shown with constellations annotated. The band of our Milky Way galaxy runs diagonally from the upper left to the lower right. Just above the image center is a faint dot that is annotated in yellow — V462 LUPI, a nova that was visible with the unaided eye last week and is currently still visible with binoculars. Please see the explanation for more detailed information.
这张图片展示了一片繁星点缀的星空,并标注了各个星座。我们银河系的星带从左上方斜贯至右下方。就在图像中心稍上的位置,有一个用黄色标注的微弱光点——那是豺狼新星2025(V462 LUPI),一颗上周曾用裸眼可见的新星,目前仍可通过双筒望远镜观测到。有关更多详细信息,请参阅说明。

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