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The planets in our solar system formed our of the solar nebular/disk from which the Sun was made (as the Sun formed), some 4,600 million years ago. Therefore there have always been roughly the same number of planets as we have now. However, our solar system could have lost one or more of the original planets that were formed as the planets settled into their current positions. As part of the settling process, orbital resonances can cause planets to interact with each other gravitationally and planets can be ejected from the forming solar system. If this did happen, then we do not how may planets there were originally.
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How long ago were the ancient Babylonians charting of the planets and stars?
The ancient Babylonians were creating star catalogs and observing the planets as early as the 8th century BCE, so it was over 2,700 years ago. They developed a sophisticated system of astronomy that influenced later civilizations.
When was copped discovered?
A VERY long time ago Perhaps as early as 12,000 years ago.
When is daylights savings 201?
There was no daylight saving time that long ago.
Is century a long time ago?
100 years ago! cent meaning 100 Does that help? It is comparitive do you think 100 years ago is a long time ago? If you consider that a normal human life lasts about 70 years then 100 years is just under half as much again - its a long time
How long would it take to get to uranus from earth using a rocket?
It would take approximately 6-7 years to travel from Earth to Uranus using current space travel technology. The exact duration would depend on factors such as the speed of the rocket and the alignment of the planets.
How Long ago were the ancient babylonians of the planets and stars?
A long Time ago
How long ago were the ancient Babylonians charting of the planets and stars?
The ancient Babylonians were creating star catalogs and observing the planets as early as the 8th century BCE, so it was over 2,700 years ago. They developed a sophisticated system of astronomy that influenced later civilizations.
How come the planets are moving today?
Any planets that didn't move fell into the sun a long time ago. The only ones we're left with are the ones that moved.
How many years ago was the 16th centary?
Long time ago !🤣
How long is very very long ago time ago?
A very long time ago is how ever long you wish to make it there is no set time for a very long time ago.
Who invented bhangra?
It was created by farmers in the 11th century... that was a long long long long long time ago... ...still a very long time ago... long long long time ago ... yes, i think you get it but it was still a long long long long etc. time ago!
How long ago was the era?
a long time ago :]
When did the book of Buddhism start?
a long time ago a long time ago
When was A Long Time Ago created?
A Long Time Ago was created in 1991.
What does It was a many and many a year ago mean?
"It was a many and many a year ago" is a poetic way of saying that a significant amount of time has passed. It emphasizes that a long period of time has elapsed since the mentioned event or situation took place.
When was Robin Goodfellow born?
A long time ago, like a long time ago
What was dance like a long time ago?
what was dncing like a long time ago
