aphelion

复数：

名词复数: aphelia

更多词形：

名词复数: aphelia |

单词例句：

aphelion passage

通过远日点

The point where the Earth is closest to the sun is called perihelion.The point where the Earth is farthest from the sun is called aphelion.

地球距离太阳最近的那点称为近日点，最远的点称为远日点。

aphelion

n. 远核点, 远日点

Slightly more solar energy is received when the Sun and Earth are closest (the perihelion) than when they are farthest apart (the aphelion).

太阳和地球的距离最近(近日点)时,所接收的太阳能要比距离最远(远日点)时接收的稍多一点。

Astronomers call this point aphelion, and, at aphelion we're about three million miles farther from the sun than we will be six months from now.

宇航员叫这点为远日点，在远日点我们距日大约有3亿英里比我们。

aphelion n.

远日点；

Otherwise difficult to notice, the change in the Sun's apparent diameter between Perihelion and Aphelion is clear.

我们很难用肉眼看出近日点和远日点太阳视直径的变化，但在这张图上显而易见。

There are times when it is more elliptical than it is now, so the difference in solar radiation received at the perihelion and aphelion will be greater.

在某些时期地球的轨道比现在更接近椭圆,因此在近日点和远日点处接受太阳辐射差别就更大。

Atens: semimajor axes less than 1.0 AU and aphelion distances greater than 0.983 AU;

阿托恩：半长轴小于1个天文单位，远日点大于0。983天文单位；