most of its mass fell to the center to become aT Tauristar, while the remaining material formed a rotationally supported disk or protoplanetary nebula. Such disk-shaped regions are clearly seen around young stars silhouetted against brighter background material in theOrion nebula(O'Dell and Wen,...
While in the night sky when one seeks the Great Nebula then one looks toward the Constellation Orion. The Planisphere is a two piece assembly consisting of one disc with a chart of the entire night sky, and an attached overlay disc with a transparent window and surrounding mask to simulate ...
壁纸原始分辨率:2560x1600 你的设备分辨率:1600x1600 常见分辨率:1024x7681152x8641200x9001280x9601280x8001280x10241366x7681440x9001680x10501600x12001920x10801920x12001920x14402560x1600
猎户座星云的背景-探索太空的秘密壁纸壁纸原始分辨率: 2560x1600你的设备分辨率: 1600x1600常见分辨率: 1024x768 1152x864 1200x900 1280x960 1280x800 1280x1024 1366x768 1440x900 1680x1050 1600x1200 1920x1080 1920x1200 1920x1440 2560x1600
壁纸原始分辨率:2560x1600 你的设备分辨率:1600x1600 常见分辨率:1024x7681152x8641200x9001280x9601280x8001280x10241366x7681440x9001680x10501600x12001920x10801920x12001920x14402560x1600