I think they lived (the dinosaurs) for approximately 165 million years.
Dinosaurs lived on earth for approximately 250 million years, but went extinct 65 million years ago.
Modern birds are the direct descendants of dinosaurs.
Approximately 328 light-years.
Approximately 700 light-years.
Approximately 4.5 billion years ago.
4.6 billion years
Acubens, Alpha Cancri A, is approximately 174 light years from Earth.
Sharks existed 175 million years before the first dinosaur.
Earth and Neptune formed together so it has lived the same number of Earth Years as Earth has.
they have lived on earth for about 6000 years
Earth and Neptune formed together so it has lived the same number of Earth Years as Earth has.
Lobsters have lived on the earth for 250 million years.
Nobody knows the exactly the number of people who lived on earth in 100 years
the Anasazi
about 6,000 years
Siberian tigers have lived on earth for around seven thousand years. Surely many hundreds of thousands of years?
The Earth is approximately 4.567 Billion years old (4,567,000,000).There are 365.25 days in a year (hence leap years every 4 years).365.25 x 4,567,000,000 = 1,668,096,750,000.As such the earth is approximately 1.67 trillion days old.
the anasazi
the Anasazi