| 1. | Why isn't the sun hidden from view when the moon passes between the sun and the earth ?
当月球从太阳和地球中间穿过时，为什么太阳未被遮住？ |
| 2. | The surface temperatures are determined by the exchange of heat radiation between the sun and the earth .
地表温度决定于太阳和地球之间的热辐射交换。 |
| 3. | Global changes of the heatbalance between the sun and the earth are influenced by variations in the solar constant .
太阳和地球间热平衡的全球性变化是太阳常数的变化引起的。 |
| 4. | The balls could represent the sun and the earth , and the sheet is space
保龄球与弹珠可以当做是太阳和地球，而弹性布料就是空间了。 |
| 5. | Recall that one astronomical unit is the average distance between the sun and the earth
来表示，一天文单位即太阳和地球的平均距离请参阅 |
| 6. | Comet mcnaught , the brightest comet in decades , is now fading as it moves further into southern skies and away from the sun and earth
这颗世纪大彗星正在慢慢变暗，并将由南方渐渐远离太阳和地球。 |
| 7. | In chapter one both development of ultraviolet and vacuum ultraviolet remote sensing in our country and other countries was introduced
本论文第一章介绍了国外太阳和地球大气的紫外遥感现状以及国内紫外遥感的发展。 |
| 8. | Remote sensing in ultraviolet and vacuum ultraviolet can help us recognize many spatial phenomenon , such as dayside and nightside airglow , aurora . so it ' s very important
因此，紫外-真空紫外波段的空间遥感探测对认识太阳和地球大气以及宇宙空间具有重要的应用价值。 |
| 9. | You can see that , for example , the ratio of the size of our sun to the size of the earth is about the ratio of the size of a human to the size of a bee
在这里，我们列举了一些典型天体的大小距离，让你比较一下。你会发现，原来太阳和地球在比例上的大小差距，和人类相对于蜜蜂差不多。 |
| 10. | It dwells in the kuiper belt at about 42 au away and moves around the sun every 288 years 1 astronomical unit the distance between the earth and the sun , about 150 million kilometers
据初步计算，这颗天体距离地球约4 2个天文单位个天文单位太阳和地球的距离，即约15亿公里，运行一周需时288年。 |
