NASA's Parker Solar Probe is set to make its final flyby of Venus on Wednesday, setting up the spacecraft to become the closest human-made object to the Sun on Christmas Eve this year.
航天器列表列表、太空船列表列表: 載人太空船列表(英语:List of crewed spacecraft) 太陽系探測器列表 活躍的太陽系探測器列表(英语:List of active Solar System probes) 月球探测器列表 火星登陸器列表(英语:List of Mars landers) 火星轨道器列表 ...
Identity of the active species. A quality chemical probe has sufficient chemical and physical property data to permit utilization in in vitro and cell-based assays with interpretations of results ...
The first step is selecting the right oscilloscope probe for the measurement being taken. The versatile passive probe, which contains no active circuitry and thus needs no external power, is useful ...