nebula
Definition
A cloud of gas and dust in outer space, often the birthplace of stars.
中文 外太空中的气体和尘埃云团，通常是恒星的诞生地。
Example
"The Orion Nebula is visible to the naked eye in the night sky."
A cloud of gas and dust in outer space, often the birthplace of stars.
中文 外太空中的气体和尘埃云团，通常是恒星的诞生地。
"The Orion Nebula is visible to the naked eye in the night sky."