Examples of using 天文单位 in Chinese and their translations into English
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L91的椭圆形轨道使其与地球的距离从未小于50个日地距离（或者说天文单位，AU）。
L91's elliptical orbit never brings its closer to Earth than about 50 times the Earth-Sun distance(or astronomical units, AUs).L91的椭圆形轨道使其与地球的距离从未小于50个日地距离（或者说天文单位，AU）。
L91's elliptical orbit never brings its closer to Earth than about 50 times the Earth- Sun distance(or 50 astronomical units, au).小行星或其他物体的最小进近距离必须小于0.05天文单位或大约460万英里才能被分类。
The asteroid, or other object, must have a minimum approach distance of less than 0.05 astronomical units or roughly 4.6 million miles to be classified as such.小行星2019OU1将于8月28日安全地通过地球，距离地球639,000英里或者是0.00687天文单位。
Asteroid 2019 OU1 will safely pass by Earth on Aug. 28, coming within 639,000 miles or 0.00687 astronomical units of the planet.它目前距离太阳47.5天文单位，将于2096年11月到达近日点。
The object is currently 47.5 AU from the Sun, and will come to perihelion in November 2096.两星之间的距离至少是3,750天文单位，轨道周期至少是17万年。
The distance between the 2 stars is at least 3,750 AU, so their orbital period is 170,000 years or more.短周期彗星有两大类：木星族彗星（半长轴小于5天文单位）及哈雷类彗星。
There are two main varieties of short-period comet: Jupiter-family comets(those with semi-major axes of less than 5 AU) and Halley-family comets.到5月4日，它距离太阳将只有1.6个天文单位，且其亮度可达到7.0级。
On May 4th it will be only 1.6 AU from the sun, and may reach as bright as 7.0 magnitude.科学家们已经知道，这颗主星与另一颗恒星一起被引力探戈锁定，距离大约0.7光年，或者说是44,000个天文单位。
Scientists already knew this primary star was locked in a gravitational tango with another star, about 0.7 light-years away, or 44,000 AU.旅行者1号距太阳124个天文单位，也就是说它要比地球和太阳的距离远124倍--它每年要飞行3.6个天文单位。
Voyager 1 is 124 astronomical units(AU) away from the sun- that is, 124 times farther out than Earth- and clocking 3.6 AU per year.当它们距离最近时，金星和地球相距仅0.28个天文单位（AU），其中1AU是从地球到太阳的距离。
When they're closest, Venus and Earth are only 0.28 astronomical units(AU) apart, where 1 AU is the distance from Earth to the Sun.它的远日点,或离太阳最远的点,是关于5.1个天文单位(AU)，这只是比木星轨道大一点点。
Its aphelion, or farthest point from the sun, is about 5.1 astronomical units(AU), which is just a tad bigger than Jupiter's orbit.观察工作还显示了存在有第三个行星体，其质量仅为地球的1.5%，在只有0.2天文单位的距离上围绕中心的中子星作轨道运行。
The observations have also revealed the presence of a third planetary body, with a mass only 1.5 percent that of the Earth, that orbits the central neutron stars at a distance of only 0.2 astronomical units.在木星的位置上（距离太阳5.2天文单位），很多彗星由于离太阳距离远，性质不够活跃，很难被发现。
At the distance of Jupiter(5.2 AU) most small comets are not close enough to the Sun to be very active, and so would be hard to detect.年8月时天文学家发现了两颗它的行星，内侧的那颗像海王星，而外侧的那颗像木星，后者距离恒星3.34天文单位。
In August 2005, two planets were discovered orbiting the star, the innermost like Neptune and another like Jupiter orbiting at 3.34 AU.它被归类为冥族小天体，与海王星的共振比为2:3，目前距离太阳只有30.5天文单位，是最亮的外海王星天体。
It is classified as a plutino with a 2:3 mean-motion resonance with Neptune, and, currently only being 30.5 AU from the Sun, is among the brighter TNOs.日心距离21.3天文单位。
Heliocentric distance 21.3 astronomical units.小资料天文单位和光年.
Astronomical Units and light years.小资料天文单位和光年.
I understand astronomical units and light years.光年相当于63240天文单位。
One Light Year is 63,241 astronomical units.
