Astronomy Picture of the Day——相机镜头下的猎户座 / 开普饭

银河系是旋涡星系,有两条或更多条旋臂,它有三个主要组成部分:包含旋臂的银盘,中央突起的银心和晕轮部分.而旋臂主要由星际物质构成.在研究银河系旋臂时,光学方法受到很大限制.关于银河系旋臂的知识主要来源于 ...

仰望星空,似乎是人类的一种与生俱来的动作.从古至今,无论中外,都试着将令人目不暇给星空找出规律,也因此有了星座.星相等发展. 如今拜科技进步之赐,我们得以借由太空望远镜一看外太空的星象.以下我们就分享 ...

这是有史以来拍到的最著名的太空照片之一,一如哈勃太空望远镜所见,它显示出创世之柱,巨大的尘埃和气体柱有7光年之长,距离地球6500光年的巨大星际育婴室是如此之大,称为天鹰星云,而柱子只是其很小一部分. ...

在我们头顶的星空中,猎户座大星云应该是最著名的一个星云了.猎户座大星云又叫做M42星云,距离我们大约1500光年,视星等4等,在晴朗的夜空中甚至肉眼可见.猎户座大星云形似一只展翅翱翔的鸟,并且色彩十分 ...

喜欢我,就给我一个"好看" Scientists are using modern technology to peer heavenward. 科学家们正用现代技术仰望天空. S ...

Birds During a Total Solar Eclipse Image Credit & Copyright: LeonardoCaldas Explanation: What do ...

A Volcano of Fire under a Milky Way ofStars Image Credit & Copyright: Diego Rizzo Explanation: S ...

Orion Rising over Brazil Image Credit & Copyright: Carlos Fairbairn Explanation: Have you seen O ...

The Orion You Can Almost See Image Credit & Copyright: John Gleason & Rogelio Bernal Andreo ...

A Cold River to Orion Image Credit & Copyright: JurisSennikovs Explanation: Ice is forming on th ...

N63A: Supernova Remnant in Visible and X-ray Image Credit: NASA, ESA, Hubble, Chandra; Processing & ...

The Galactic Center in Radio from MeerKAT Image Credit: MeerKAT, SARAO Explanation: What's happening ...

To Fly Free in Space Image Credit: NASA, STS-41B Explanation: What would it be like to fly free in ...

Solar Eclipse over the UAE Image Credit & Copyright: Joshua Cripps Explanation: What's happenin ...

Astronomy Picture of the Day——相机镜头下的猎户座