1,789 years
About 4.5 billion years.
Mars has been known since ancient times, so it is difficult to attribute its discovery to a single individual. However, the planet has been observed and studied by many astronomers throughout history.
Many extra-solar planets have been detected, some many light years distant, at our present stage of technology it would take many millions of years to reach them
Paua as a species has been existing on Planet earth for millions of years. Paua by its self can live for about 30 years.
The dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh.
An asteroid is known as a minor planet that orbits the sun. As of 2010 there have been 530,091 asteroids discovered.
There is no known planet that has been lost from our solar system. All the planets in our solar system, from Mercury to Neptune, are still present in their respective orbits. Some dwarf planets beyond Neptune's orbit have been discovered in recent years, but no large planet has been lost.
In the wild, bilbies have been known to live up to seven years.
no actual person made singing, singing has been known for thousands of years and wil proberly be known for many more years.
In this star system there are eight known planets. Previously there were nine, but Pluto has since been reclassified as a dwarf planet. Charon, previously regarded as a satellite of Pluto, has also been reclassified as a dwarf planet.
The dwarf planet Pluto has at least 10 known satellites. There is also a small system of rings of debris that has been recently detected.
Quite a few since it's been around for 6+ billion years.