Thanks for the explanation. I was confused by the word "深"

It is better to be interpreted as distant. 

Astronomy is fascinating science.  The Universe is filled with mystery and temptation.  I wish that the satellite journey is as smooth as possible.    

所有跟帖： 

• in english, it is no longer categorized as satellite. -sts135- ♀ (35 bytes) () 09/01/2011 postreply 14:00:57

• Probe is indeed more appropriate as it explores the unknown area -Giantfan- ♂ (0 bytes) () 09/01/2011 postreply 14:05:02

• 同意。＂深空＂当指脱离地球引力场的控制。 -GeorgeTheJungle- ♂ (0 bytes) () 09/02/2011 postreply 14:01:00