0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What do you mean by a primitive meteorite?
a meteorite that is essentially unchanged since it first condensed and accreted in the solar nebula some 4.6 billion years ago
How long ago was our solar system formed?
Sciences say that the sun was formed 4,600,000 years ago
Was the earth around 7 billion years ago?
No, the earth wasn't around 7 billion years ago. Earth formed about 4.6 billion years ago.
When did the first eukaryotic cell first appear?
8.1 billion years ago
What is the meteorite-impact hypothesis?
Meteorite impact hypothesis is that theory about a meteorite hitting the earth some thousands of years ago and bringing the dinosaurs to extinction, better known as Alvarez
What do you mean by a primitive meteorite?
a meteorite that is essentially unchanged since it first condensed and accreted in the solar nebula some 4.6 billion years ago
What is the largest crater in North America?
The largest known crater in North America is located in Sudbury, Ontario, Canada. It has a diameter of 250 km, the second-largest known crater on Earth, and was formed by a meteorite impact 1.849 billion years ago.
How long ago was our solar system formed?
Sciences say that the sun was formed 4,600,000 years ago
Was the earth around 7 billion years ago?
No, the earth wasn't around 7 billion years ago. Earth formed about 4.6 billion years ago.
Did dinosaurs live two billion years ago?
No, vertebra life has not existed for more than half a billion to a billion years ago. Dinosaurs first appeared about 230 million years ago and died out 65.5 million years ago.
How Earth formed about years ago?
The present best estimate is 4.6 billion years.
When did eukaryotic cells first appear?
2.1 billion years ago
When did the first eukaryotic cell first appear?
8.1 billion years ago
Did earth form 50 billion years ago or 5?
Earth formed about 4.6 billion years ago.
How many years ago did the solar system originate?
4.6 billion years ago or 5 billion years if you round up. :)
Have plants exitsed for at least 3 billion years?
No. Plants emerged around 1.2 billion years ago, but there were photosynthesizing bacteria 3 billion years ago.
What happened to the earth 700 billion years ago?
Earth did not exist 700 billion years ago, nor did the universe. Earth is about 4.6 billion years old.
