Huygens probe The Huygens probe , supplied by the ORGANIZATION@1 -LRB- ESA -RRB- and named after the 17th century MISC@1 astronomer PERSON@1 , scrutinized the clouds , atmosphere , and surface of ORGANIZATION@2 's moon Titan in its descent on January NUMBER@1 , NUMBER@2 .

The spacecraft has two main parts : the ORGANIZATION@3 Cassini orbiter , named after the MISC@2 astronomer PERSON@2 , and the ORGANIZATION@4 probe , named after the MISC@1 astronomer , mathematician , and physicist PERSON@1 .
