2025 年 7 月

天文·每日一图

极环星系NGC 2685

An unusual galaxy is shown that appears lens-like in overall shape yet has various rings of stars around the center. Please see the explanation for more detailed information.
图中展示了一个不寻常的星系,其整体形状类似透镜,但中心周围却环绕着各种恒星环。有关更多详细信息,请参阅说明。

天文·每日一图

行星状星云Mz3: 蚂蚁星云

A dark starfield appears around an unusually shaped nebula. The nebula has two main lobes on the left and the right and may seem to resemble an ant. Please see the explanation for more detailed information.
一片漆黑的星场环绕着一个形状奇特的星云。该星云左右两侧各有一颗主叶,形状似一只蚂蚁。有关更多详细信息,请参阅说明。

天文·每日一图

云与金月

See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。

NASA·每日一图

测试X-59

Researchers from NASA and the Japanese Aerospace Exploration Agency (JAXA) recently tested a scale model of the X-59 experimental aircraft in a supersonic wind tunnel located in Chofu, Japan, to assess the noise audible underneath the aircraft.
NASA与日本宇宙航空研究开发机构(JAXA)的研究人员近日在日本调布的超音速风洞中,对X-59实验飞机的比例模型进行了测试,以评估飞机下方可听到的噪声。

NASA·每日一图

NASA詹姆斯·韦伯太空望远镜探测猫爪

NASA’s James Webb Space Telescope team released this image of the Cat’s Paw Nebula on July 10, 2025, in honor of the telescope’s third anniversary.
NASA的詹姆斯·韦伯太空望远镜团队于2025年7月10日发布了这张猫爪星云的图像,以纪念望远镜投入科学运行三周年。

NASA·每日一图

航天飞机的构造图解

This illustration shows the parts of a space shuttle orbiter. About the same size and weight as a DC-9 aircraft, the orbiter contains the pressurized crew compartment (which can normally carry up to seven crew members), the cargo bay, and the three main engines mounted on its aft end.
这张插图展示了航天飞机轨道器的各个部件。轨道器的大小和重量与一架DC-9飞机相当,内部包含加压的乘员舱(通常可搭载最多7名宇航员)、货舱,以及安装在尾部的三台主发动机。

滚动至顶部