Planetary nebula with an hourglass shape. MyCn18 shows round structures with what appear to be fine etchings on their surfaces. There are many...沙漏
The planetary nebula NGC 7027. It is a final remnant of a star's death throes. A red giant star gives off layers of dust and gas as it begins to die....
Planetary nebulae are the remains of dying stars. These false-color CCD images of planetary nebulae were made with the 2.1 meter telescope at Kitt...
milky way above the relics of an ancient chinese fort in yuxian, hebei province, china. - 發射星雲 個照片及圖片檔
emission nebula ngc 6188 with the bright open cluster 6193, star formation region in ara. - 發射星雲 個照片及圖片檔
ic 2177, the seagull nebula. ic 2177 is a bright h ii region located on the border of monoceros and canis major. - 發射星雲 個照片及圖片檔
pillars of creation are part of the eagle nebula and are made of interstellar dust and gases. - 發射星雲 幅插畫檔、美工圖案、卡通及圖標外太空, 星雲
orion and canis major, with sirius, the dog star, at lower left. some airglow brightened the sky at lower right. - 發射星雲 個照片及圖片檔
messier 52 open cluster in cassiopeia (upper left) and ngc 7635, the bubble nebula (centre). - 發射星雲 個照片及圖片檔
