New infrared images of the Milky Way show just two major spiral arms, Scutum-Centaus and Perseus, along with a newly discovered arm called Far 3kpc Arm.
左边是银河系的目前结构,显示其两条主螺旋臂,右边是较早的银河系图像,有四条主螺旋臂。
Located about 6, 000 light-years from Earth, the Heart and Soul nebulae form a vast star-forming complex that makes up part of the Perseus spiral arm of our Milky Way galaxy.
心与灵星云离地球有大约6千光年的距离,形成一个其大无比的星辰制造场,构成了我们银河系英仙座螺旋星云的部分螺旋腕。
It is located 3, 800 light-years away from Earth, inside the Orion spur — the same partial spiral arm of the Milky way where our solar system is located. The nebula is nearly 240 light-years across.
它跨度近240光年,位于猎户座旋臂里,离地球3,800光年远;而我们的太阳系也在银河系同样的旋臂中。
Menkhib and the California Nebula are about 1, 800 light-years away from Earth and are located within the same spur of the Orion spiral arm of the Milky Way galaxy as Earth.
Menkhib和加州星云大约距离地球1800光年,并在对银河系的地球银河系猎户座旋臂位于同一方向。
Menkhib and the California Nebula are about 1,800 light-years away from Earth and are located within the same spur of the Orion spiral arm of the Milky way galaxy as Earth.
Menkhib和加州星云大约距离地球1800光年,并在对银河系的地球银河系猎户座旋臂位于同一方向。
The complex is called the Vela Molecular Cloud Ridge, and may form part of the edge of the Orion spiral arm spur in the Milky Way galaxy.
这片复合区域被称为船帆分子云脊(Vela Molecular Cloud Ridge),它可能参与形成了猎户座悬臂的边缘部分。
The complex is called the Vela Molecular Cloud Ridge, and may form part of the edge of the Orion spiral arm spur in the Milky Way galaxy.
这片复合区域被称为船帆分子云脊(Vela Molecular Cloud Ridge),它可能参与形成了猎户座悬臂的边缘部分。
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