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Mercury and Venus do not have any natural satellites (Moons).
yes
No. Reconnaissance is a military term used to denote scouting of territory for information about an enemy or enemy force. There are no enemy forces on Neptune, hence no reconnaissance satellites.
How many number of satelites in mercury?
There are no known satellites of Mercury.
Mercury has no satellites.
No natural satellites of Mercury have been discovered.
None.
None.
Mercury has no natural satellites.
Reconnaissance, communications, topography.
There are no natural satellites.