英语单词查询
megaparsec
「megaparsec」的意思
n. [天] 百万秒差距
n.[天]百万秒差距
「megaparsec」的用法
megaparsec100万光年 - 天文学中常用的距离单位
「megaparsec」的例句
The Andromeda galaxy is about 2.5 megaparsecs away from our Milky Way.
仙女座星系距离我们银河系约2.5百万光年。
A megaparsec is a unit of length used in astronomy.
1兆秒差距是天文学中常用的距离单位。
The distance between the Earth and the nearest star, Proxima Centauri, is about 4.244 megaparsecs.
地球与最近的恒星比邻星之间的距离约为4.244百万光年。
Megaparsecs are used to measure vast distances in the universe.
兆秒差距用于测量宇宙中的巨大距离。
One megaparsec is approximately equal to 3.086 billion kilometers.
1兆秒差距大约等于30.86亿公里。
The Hubble constant is used to measure the rate of expansion of the universe in megaparsecs per second.
哈勃常数用于测量宇宙膨胀率，单位为每秒每百万光年。
The distance to the cosmic microwave background radiation is about 379 megaparsecs.
宇宙微波背景辐射的距离约为379百万光年。
Megaparsecs are a crucial unit for understanding the scale of the universe.
兆秒差距是理解宇宙尺度的关键单位。
The Milky Way galaxy spans about 100,000 light-years in diameter, which is less than a megaparsec.
银河系直径约为10万光年，小于一个兆秒差距。