n.星云，外观似星云的星系

原形：nebula复数：nebulas

The nebula is a swirling mass of gas and dust in space, often the birthplace of new stars.
彗星云是太空中一团旋转的气体和尘埃，通常是新恒星诞生的地方。
The Hubble Space Telescope captured an astonishing image of the Eagle Nebula's Pillars of Creation.
哈勃太空望远镜拍摄到了鹰状星团中壮观的“创生柱”。
Astronomers study nebulae to understand the processes that form and evolve celestial bodies.
天文学家研究彗星云来了解形成和演化天体的过程。
The Orion Nebula is one of the most famous star-forming regions in our galaxy, visible to the naked eye on a clear night.
猎户座星云是我们银河系中最著名的恒星形成区域，清晰的夜晚肉眼可见。
A supernova explosion can trigger the formation of a new nebula, enriching the surrounding space with heavy elements.
超新星爆炸能引发新的彗星云形成，将重元素富集到周围空间。
Nebulae come in various shapes and sizes, ranging from small planetary nebulae to vast elliptical galaxies.
彗星云形状各异，从小行星状的到巨大的椭圆星系都有。
The study of nebulae helps scientists trace the history of our universe and its chemical evolution.
研究彗星云有助于科学家追踪宇宙的历史及其化学演变。
Some nebulae emit intense radiation, making them ideal targets for studying high-energy astrophysical processes.
有些彗星云发出强烈的辐射，是研究高能天体物理过程的理想目标。
The Great Nebula in Andromeda, also known as Messier 31, is a breathtaking sight through a telescope.
安德洛美达大彗星（梅西耶31）通过望远镜是一个令人惊叹的景象。
The nebula's ethereal beauty has inspired countless artists and poets over the centuries.
数百年来，彗星云的梦幻之美激发了无数艺术家和诗人的创作灵感。