按月归档: 5 月 2020

神秘山怪逐渐销蚀

2020 May 25 Mystic Mountain Monster being Destroyed Image Credit: Hubble, NASA, ESA; Processing & License: Judy Schmidt Explanation: Inside the head of this interstellar monster is a star that is slowly destroying it. The huge monster, actually an inanimate series of pillars of gas and dust, measures light years in length. The in-head star is not itself...

本周NASA速递(20200524)

来源:NASA 如何在线见证“发射美国”;副总统彭斯强调美国将重返人类太空飞行;缅怀一位传奇的天文学家……最近新闻速递,尽在「本周NASA」! 5月20日,宇航员鲍勃·本肯(Bob Behnken)和道格·赫尔利(Doug Hurley)抵达了NASA位于佛罗里达州的肯尼迪航天中心,他们即将在NASA的SpaceX Demo-2试飞中前往国际空间站,2天之后任务正式启动,5月27日将准备发射升空。发射地选在肯尼迪历史悠久的39A号发射台,该任务被誉为“发射美国”,标志着航天飞机时代结束以来从美国发射的首次人类太空飞行。赫尔利说道:“我恰好是大约9年前降落在这里的4名宇航员之一,2011年7月4日,我们搭乘T-38s结束了航天飞机计划,因此,在这里开始美国的又一次发射真是令人难以置信。”本肯表示:“作为军事试飞员...

水手峡谷:火星的大峡谷

2020 May 24 Valles Marineris: The Grand Canyon of Mars Image Credit: NASA, USGS, Viking Project Explanation: The largest canyon in the Solar System cuts a wide swath across the face of Mars. Named Valles Marineris, the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep. By comparis...

NASA望远镜因“哈勃之母”而得名南希·格蕾丝·罗曼

NASA的广域红外调查望远镜(WFIRST)现在被命名为南希·格雷斯·罗曼太空望远镜,以NASA的第一位天文学负责人命名。 来源:NASA NASA将其目前正在开发的下一代太空望远镜命名为“广域红外勘测望远镜(WFIRST)”,以纪念NASA的首位首席天文学家南希·格雷斯·罗曼,她为专注于更广阔宇宙的太空望远镜铺平了道路。 新命名的南希·格雷斯·罗曼太空望远镜(简称罗曼太空望远镜)将于本世纪20年代中期发射升空。它将调查长期存在的天文学谜团,比如宇宙膨胀背后的力量,并寻找太阳系以外的遥远行星。 被认为是30年前发射的NASA哈勃太空望远镜的母亲,罗曼孜孜不倦地提倡开发新工具,让科学家从太空研究更广阔的宇宙。她于2018年去世,给科学界留下了巨大的遗产。 “正是由于南希·格蕾丝·罗曼的领导和远见卓识,美国宇航局成...

SpaceX Demo-2从水平整合设施中推出

A SpaceX Falcon 9 rocket with the company’s Crew Dragon spacecraft onboard is seen as it is rolled out of the horizontal integration facility at Launch Complex 39A as preparations continue for the Demo-2 mission, Thursday, May 21, 2020, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Demo-2 mission is the first launch with astronauts of the Sp...

SpaceX Demo-2宇航员抵达肯尼迪航天中心

NASA astronauts Robert Behnken, left, and Douglas Hurley listen as NASA Administrator Jim Bridenstine gives remarks after the crew arrived at the Launch and Landing Facility at NASA’s Kennedy Space Center ahead of SpaceX’s Demo-2 mission, Wednesday, May 20, 2020, in Florida. NASA’s SpaceX Demo-2 mission is the first launch with astronauts of the SpaceX Crew ...

从幽灵真菌到麦哲伦星系

2020 May 23 Ghost Fungus to Magellanic Cloud Image Credit & Copyright: Gill Fry Explanation: Stars shine and satellites glint in this clear, dark, night sky over Wannon Falls Reserve, South West Victoria, Australia. In fact the fuzzy, faint apparition above the tree tops is the only cloud visible, also known as the Large Magellanic Cloud, satellite gala...

船底座大星系的南缘

2020 May 22 South of Carina Image Credit & Copyright: Ignacio Diaz Bobillo Explanation: With natal dust clouds in silhouette against glowing atomic gas, this colorful and chaotic vista lies within one of the largest star forming regions in the Milky Way galaxy, the Great Carina Nebula. The telescopic close-up frames a field of view about 80 light-years ...

金星的位相

2020 May 21 Phases of Venus Image Credit & Copyright: Richard Addis Explanation: Just as the Moon goes through phases, Venus’ visible sunlit hemisphere waxes and wanes. This composite of backyard telescopic images illustrates the steady changes for Venus during its current stint as our evening star, as the inner planet grows larger but narrows to ...

二进制&摩尔斯电码:那些年探测器上的隐藏彩蛋

NASA发起了“发送名字到火星”(SendYour Name to Mars)的活动,邀请世界各地的人们提交自己的名字,搭乘毅力号飞往火星。成功提交后,参与者可以获得一张目的地为火星的登机牌。 图片来源:NASA 3月16日,3块指甲盖大小的硅芯片被封装在了毅力号(Perseverance)火星车铝制纪念牌的左上角,芯片中储存了10 932 295位“探险者”的名字和155个NASA火星2020漫游车命名大赛中入围决赛的小短文,这些来自地球的问候,将随毅力号一同,在明年登陆火星。 毅力号计划于今年7月中旬发射升空,发射地点为卡纳维拉尔角空军基地(Cape Canaveral Air Force Station),搭载的将是联合发射联盟(United Launch Alliance)的阿特拉斯-5型运载火箭(At...