保护地球，探索宇宙，发现文明
Set to launch next year, NASA’s Psyche spacecraft will explore a metal-rich asteroid of the same name in the main asteroid belt between Mars and Jupiter. A major component of NASA’s Psyche spacecraft has been delivered to the agency’s Jet Propulsion Laboratory in Southern California, where the phase known as assembly, test, and launch operations is now under...
This artist’s concept is of a Jupiter-mass planet orbiting the nearby star Epsilon Eridani. Located 10.5 light-years away, it was the closest known exoplanet to our solar system when it was discovered in 2007. The planet is in an elliptical orbit that carries it as close to the star as Earth is from the Sun, and as far from the star as Jupiter is from ...
2021年03月30日 Red Sprite Lightning over the Andes Image Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TWAN) Explanation: What are those red filaments in the sky? They are a rarely seen form of lightning confirmed only about 30 years ago: red sprites. Recent research has shown that following a powerful positive cloud-to-ground light...
NASA机智号直升机在火星上飞行的艺术概念图 图片来源：NASA /加州理工-喷气推进实验室 如今，机智号火星直升机（Ingenuity Mars Helicopter）卸掉了保护性的碳纤维防护，正为下一步操作做准备。 美国航空航天局（NASA）目前计划在4月8日或之后，让机智号火星直升机首次尝试在另一颗行星上的动力控制飞行。然而，这一重约4磅（约合1.8千克）旋翼飞行器在首次尝试飞行之前，直升机和机智号团队都必须达成一系列艰巨的里程碑式目标。 毅力号漫游车弃掉了它的碎片护罩：这个碎片护罩是NASA毅力号漫游车底部的防护罩，于2021年3月21日被卸下。在着陆火星时，碎片护盾对NASA机智号直升机起到了保护作用，而卸下了它直升机才能向下旋转从毅力号的腹部探出来。 图片来源：NASA / 加州理工-喷气推进实验室...
2021年03月29日 M64: The Evil Eye Galaxy Image Credit: ESA/Hubble & NASA & the PHANGS-HST Team; Acknowledgement: Judy Schmidt Explanation: Who knows what evil lurks in the eyes of galaxies? The Hubble knows — or in the case of spiral galaxy M64 — is helping to find out. Messier 64, also known as the Evil Eye or Sleeping Beauty Galaxy, may s...
2021年03月28日 SuitSat-1: A Spacesuit Floats Free Image Credit: ISS Expedition 12 Crew, NASA Explanation: A spacesuit floated away from the International Space Station 15 years ago, but no investigation was conducted. Everyone knew that it was pushed by the space station crew. Dubbed Suitsat-1, the unneeded Russian Orlan spacesuit filled mostly with old clothes...
From left to right, Expedition 65 backup crew members NASA astronaut Anne McClain and Russian cosmonauts Oleg Artemyev and Anton Shkaplerov of Roscosmos, and Expedition 65 prime crew members, Russian cosmonauts Oleg Novitskiy and Pyotr Dubrov of Roscosmos and NASA astronaut Mark Vande Hei, are seen during a press conference on Wednesday, March 24, 2021 at th...
A field of sand dunes occupies this frosty 5-kilometer diameter crater in the high-latitudes of the northern plains of Mars. Some dunes have separated from the main field and appear to be climbing up the crater slope along a gully-like form. The surface of the main dune field is characterized by a series of dark-toned polygonal patterns. These may be the res...
2021年03月27日 Exploring the Antennae Image Credit & Copyright: Bernard Miller Explanation: Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. Stars in the two galaxies, cataloged as NGC 4038 and NGC 4039, very rarely collide in the course of the ponderous cataclysm that lasts for hundreds of millions ...
为首次火星飞行做准备… 和猎户座一起飞溅… 国际空间站的下一批宇航员正在为发射做准备… 最新新闻速递，尽在「本周NASA」！ 来源：NASA 翻译：灼眼的粉丝 机智号火星直升机准备首次飞行 3月23日在加利福尼亚州帕萨迪纳市的喷气推进实验室举行的发布会上机智号火星直升机成为了焦点。机智号团队计划在4月8日前进行这项技术演示，首次尝试在另一个星球上进行动力控制飞行。 “我们在地球上用无人机和直升机做各种事情，它们比陆基车辆更适合，对吧？因此你可以想象在火星上有同样的能力，在火星上飞行。这可能是为了侦察目的、拍摄照片来侦察区域、未来火星车甚至是未来宇航员的潜在科学目标。”——机智号首席飞行员：哈弗·格里普。 一旦机智号从毅力号上部署，它将在火星上停留30天（相当于地球上一个月的时间），进行试飞活动。 水冲击测试从猎...