NASA的机智号火星直升机完成第50次飞行
这架创造历史的旋翼飞机最近一直在穿越它在这颗红色星球上遇到的一些最危险的地形。
按月归档： 4 月 2023
星系NGC 3628
2023年4月14日 Portrait of NGC 3628 Image Credit: Image Credit & Copyright: Mike Selby & Mark Hanson Explanation: Sharp telescopic views of NGC 3628 show a puffy galactic disk divided by dark dust lanes. Of course, this portrait of the magnificent, edge-on spiral galaxy puts some astronomers in mind of its popular moniker, the Hamburger Galaxy. It also...
NASA的好奇号火星车获得重大软件升级
更新带来了巨大的改进，其中最重要的是新的驾驶功能。
暴雨和大雪使图莱里湖恢复生机
Floodwater (dark blue) stands out against the vegetation in agricultural fields around Tulare Lake near Corcoran, California, in this enhanced color image taken by Landsat 8 on March 29, 2023. Heavy rain and snow in the first three months of 2023 have once again brought water to Tulare’s lakebed, but also flooding several nearby towns. 2023 has been the wett...
NGC 2419: 星系际的浪流者
2023年4月13日 NGC 2419: Intergalactic Wanderer Image Credit: ESA/Hubble, NASA, S. Larsen et al. Explanation: Stars of the globular cluster NGC 2419 are packed into this Hubble Space Telescope field of view toward the mostly stealthy constellation Lynx. The two brighter spiky stars near the edge of the frame are within our own galaxy. NGC 2419 itself is remote t...
詹姆斯·韦伯太空望远镜展示了新星形成和星系演化的区域
2022年10月11日，NASA的詹姆斯·韦伯太空望远镜首次花了20多个小时观测了长期研究的哈勃超深场。一般观测者计划（GO 1963）专注于分析波长在约2微米至4微米之间的领域。
在白宫复活节滚彩蛋活动上庆祝科学
Former NASA astronaut Alvin Drew shakes hands with a guest during the White House Easter Egg Roll in this photo from Monday, April 10, 2023. The agency also brought spacewalk suits for children to see and try on, shared images of space, and conducted an egg drop experiment. Embracing the event’s “EGGucation” theme, NASA’s STEM activities even took place in s...
NGC 206与仙女星系的恒星云
2023年4月12日 NGC 206 and the Star Clouds of Andromeda Image Credit & Copyright: Howard Trottier Explanation: The large stellar association cataloged as NGC 206 is nestled within the dusty arms of the neighboring Andromeda galaxy along with the galaxy’s pinkish star-forming regions. Also known as M31, the spiral galaxy is a mere 2.5 million light-yea...
哈勃发现了一个多代星团
This image from the NASA/ESA Hubble Space Telescope shows the globular star cluster NGC 2419. Globular clusters are both beautiful and fascinating. They are spherical groups of stars that orbit the center of a galaxy, and in the case of NGC 2419, that galaxy is our own Milky Way. NGC 2419 is around 300,000 light-years from the solar system, in the constellat...
X-59有了尾翼
NASA’s X-59 sits in support framing while undergoing the installation of its lower empennage, or tail section, at Lockheed Martin Skunk Works in Palmdale, California, in this image from late March 2023. Once complete, the X-59 aircraft—the centerpiece of NASA’s Quesst mission—is designed to demonstrate the ability to fly supersonic while reducing the loud so...