Explanation: Appropriately nicknamed "the Skull Nebula", planetary nebula NGC 246 really does surround a dying star some 1,600 light-years away in the constellation Cetus.

解釋："骷髏星云"，形容行星狀星云NGC 246的一個很合適的綽號污视频免费看网站无码高清在线，圍繞著大約1600光年之外的鯨魚座座的一顆正在死亡的恒星。

Appropriately nicknamed "the Skull Nebula", planetary nebula NGC 246 really does surround a dying star some 1,600 light-years away in the constellation Cetus.

位在鯨魚座離我們約1777国产偷窥盗摄精品品在线，600光年遠的行星狀星云NGC 246欧美黑人巨大XXXX黑人猛交，有個骷髏星云的貼切昵稱，因為它中心的確有一顆濱臨死亡的恒星高能av免费不卡在线。

Glowing like a multi-faceted jewel, the planetary nebula IC 418 lies about 2,000 light-years from Earth in the direction of the constellation Lepus.

像一顆精心雕琢的寶石日本高清在线人妻一区二区，行星狀星云IC 418坐落在距地球2，000光年的天兔座內(nèi)啊啊啊插下面。

It is one of the best examples of a planetary nebula and a favorite target of amateur astronomers.

它是行星狀星云的最好范例之一日韩内陆美洲无码AV，也是業(yè)余天文愛好者最喜歡觀測的目標之一。

Our Sun will probably produce a planetary nebula in about 5 billion years .

他猜測它們可能是正在年輕的恒星周圍形成的行星系統(tǒng)精品人妖一区二区三区四区。

NGC 5189 is a planetary nebula with an oriental twist. Similar in appearance to a Chinese dragon, these red and green cosmic fireworks are the last swansong of a dying star.

NGC 5189是個行星狀星云人人干在线国产视频，它是一顆恒星垂死前的最后表演，它具有少見的東方神物——中國龍的外形中文字幕色哟哟。

The spoke features seem to indicate that the Helix Nebula is itself an old and evolved planetary nebula.

這種輻條結(jié)構(gòu)干日视频，似乎表明螺旋星云本身是一個老切高度演化的行星狀星云。

This Hubble Space Telescope images show Cat's Eye Nebula is the most complicated "planetary nebula" is one in Draco.

這張哈勃太空望遠鏡拍攝的圖片AV狼友无码国产在线观看下载，顯示貓眼星云是最復雜的&行星星云&之一日韩福利短片在线看免费视频播放网站，位于天龍座。

The Hubble Space Telescope captured this image of the Stingray Nebula, the youngest known planetary nebula.

哈勃航天望遠鏡抓拍了這張魟星云的照片热久久精品日本一区二区三区，它是我們所知道的最年輕的行星星云两个小姨子木瓜电影网。

The Hubble Space Telescope captured this image of the Stingray Nebula, the youngest known planetary nebula.

哈勃太空望遠鏡捕捉到了這幅黃貂魚星云的圖像，它是目前已知的最年輕的行星狀星云一级黄色视频舔的视频免费看。