保护地球，探索宇宙，发现文明
2020 May 2 Radio, The Big Ear, and the Wow! Signal Image Credit & Copyright: Rick Scott Explanation: Since the early days of radio and television we have been freely broadcasting signals into space. For some time now, we have been listening too. A large radio telescope at Ohio State University known as affectionately The Big Ear was one of the first lis...
2020 May 1 A View Toward M106 Image Credit & Copyright: Joonhwa Lee Explanation: Big, bright, beautiful spiral, Messier 106 dominates this cosmic vista. The nearly two degree wide telescopic field of view looks toward the well-trained constellation Canes Venatici, near the handle of the Big Dipper. Also known as NGC 4258, M106 is about 80,000 light-year...
Dark matter, although invisible, makes up most of the universe’s mass and creates its underlying structure. Dark matter’s gravity drives normal matter (gas and dust) to collect and build up into stars and galaxies. Although astronomers cannot see dark matter, they can detect its influence by observing how the gravity of massive galaxy clusters, which contain...
来自阿拉巴马州北港塔斯卡卢萨县高中的三年级学生瓦尼扎·鲁帕尼(Vaneeza Rupani)(插图)在美国宇航局举办的“为火星漫游车命名”比赛中，为NASA的火星直升机想出了别出心魄的名字(图片中可以看到一幅火星直升机的艺术图片)，并提出了这个名字背后的意义。 影像来源：NASA/JPL-Caltech/NIA/Rupani Family NASA的火星直升机将成为第一架尝试在另一个星球上进行动力飞行的飞机，现在它正式获得了一个新名字：创造号（Ingenuity）。 瓦尼扎·鲁帕尼是阿拉巴马州北港塔斯卡卢萨县高中一名11年纪的学生。在美国宇航局举办的“为火星漫游车命名”比赛中，她想出了这个名字，并提出了这个名字背后的意义。 瓦尼扎·鲁帕尼, 11年级学生，在阿拉巴马州北港的家中为火星直升机命名。 来源：Cour...