Broaden me, to you improve ones self
Exploration is looking for me, you'll find
Very few once dared to try
Mere Miles Apart we shall never meet
But nowadays few pay me much mind
Along the way new discoveries made... but I ask you, what am I?
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Exploration is looking for me, you'll find
Very few once dared to try
Mere Miles Apart we shall never meet
But nowadays few pay me much mind
Along the way new discoveries made... but I ask you, what am I?
Incomplete answer: Are you
horizon?
Because
1) "broaden one's horizons" means improving oneself
2) New Horizons is an interplanetary space probe, which was launched ("very few once dared to try") back in 2006, but it's currently little news about it ("but nowadays few pay me much mind along the way new discoveries made")
3) The visible horizon line is usually several miles away but cannot be reached ("mere miles apart, we shall never meet")
4) Bonus: "Doubted by a flat few" - is it about flat Earth theory supporters?
Are you...
Earth?
Unknown by none, doubted by a flat few:
The Earth is very well known, and it's roundness has been doubted by flat-earthers.
Broaden me, to improve ones self.
?
Exploration is looking for me, you'll find.
People who explore the Earth find new parts of the Earth.
Very few once dared to try,
Possibly relating to people who have seen Earth from space.
Mere miles apart, we shall never meet.
No idea. Maybe something to do with "Miles Apart" by Maduk?
But nowadays few pay me much mind.
The Earth is worsening every day with climate change and pollution, but most people don't seem to care.
Along the way new discoveries made.
Links back in to the first line and explorers.