About 4.5 billion years.
7.5
That really depends on what is traveling and at what speed.
None. The planet had been observed by ancient astronomers by the 14th Century BC - so almost 3,500 years ago. Thus Mercury had been discovered a very long time before the first satellites were even dreamt of.
Mercury is A planet that nobody has been on it is far to hot. Plus it can get up to over many degrees C or F and Mercury is a gas planet so even the stuff on Mercury has a hard time sheilding it's way from the sun.
There are no moons around the planet Mercury.
i think they are 586 days on the planet mercury
As of 2013, Pluto has been classed as a dwarf planet for 7 years.
It does
1,789 years
12 x 365.25 / 88.
As of 2013, Pluto has been classed as a dwarf planet for 7 years.
Mercury does not have any moons.