Copyright:José Mtanous
中文翻譯:
很久很久以前，有一顆名叫 Vela 的星星，在天空中閃閃發光。這顆星星看起來和其他星星沒有什麼不同，但在一個神奇的時刻，它突然爆炸了！這次爆炸是如此強大，讓周圍的氣體和粉塵也開始跳舞，形成了一個巨大的光亮雲團。這個美麗的雲團現在仍然在宇宙中可見，彷彿告訴我們這顆星星的故事。據說，這個雲團有些像一隻展翅飛翔的鳥，吸引了許多天文學家的目光。他們用特別的相機拍下了這些美麗的照片，並用紅色和藍色的光來強調不同的氣體。雲團的中心還住著一顆非常特別的星星，叫做脈衝星，它快速地旋轉著，速度比一分鐘裡的許多次旋轉還要快呢！這些神奇的故事讓我們對宇宙的探索充滿了興奮和好奇！
原文:
The explosion is over, but the consequences continue. About twelve thousand years ago, a relatively normal star in the constellation Vela suddenly exploded, creating a strange point of light briefly visible to humans living near the beginning of recorded history. The outer layers of the star crashed into the interstellar medium, driving a shock wave that is still visible today. The featured image, taken piecemeal over 60 hours from the Khomas Region of Namibia, captures some of that filamentary and gigantic shock in visible light, with details highlighted by hydrogen (red) and oxygen (blue) emissions. As gas flies away from the detonated star, it decays and reacts with the interstellar medium, producing light in many different colors and energy bands. Remaining at the center of the Vela Supernova Remnant is a pulsar, a star as dense as nuclear matter that spins around more than ten times in a single second. Explore the Universe: Random APOD Generator
來源:NASA每日圖片
