The Titan explorer, for example, will be studying a place that - in a crude way, at least - resembles the early planet Earth at a time when life arose here.

比如说土卫六探索号将会用到至少是原始的方法来研究同早期行星——地球出现生命时情况相似的地方。

youdao

Wise, the Wide-field Infrared Survey Explorer launched in 2009, examined more than 500 Near-Earth Objects (NEOs), 123 of which were new to science.

广谱红外勘测探索卫星(简称“智慧”)于2009年发射升空，已检测了超过500个近地天体，其中123个属于新的科学发现。

youdao

Since its launch Dec. 14, 2009, the Wide-Field Infrared Survey Explorer has been circling the Earth in a polar orbit and snapping images every 11 seconds.

自2009年12月14日发射升空以来，广角红外线探测望远镜开始环绕绕地球极地轨道并每11秒抓拍一张照片。

youdao

In 1958, the first U.S. Earth satellite, Explorer I, was launched at Cape Canaveral.

CNN: Saturday,

The mission is part of Esa's Earth Explorer programme - seven spacecraft that will do innovative science in obtaining data on issues of pressing environmental concern.

BBC: Esa's Cryosat ice mission given launch date