none. there were no evil squirrels.
About 5 billion
The Sun is currently in the middle of its life, and has been approximately shining for 5 billion years. It will die out in 5 billion years also, but the human race will be long gone before that happens. The sun has been shining for about 4.6 billion years and it will continue to shine for about 5 billion more years
The Sun is currently in the middle of its life, and has been approximately shining for 5 billion years. It will die out in 5 billion years also, but the human race will be long gone before that happens. The sun has been shining for about 4.6 billion years and it will continue to shine for about 5 billion more years
About 5 billion years
About 4.5 billion years.
Current estimate of the Earth's age is about 4.5 billion years. The total age of the Universe (Big bang until now) is about 15 billion years.
Yes
1000 years
About5 billion years and good for another 5 billion
Thousands of reported sightings over hundreds of years.
about 4.5 billion years it was created when a cloud of gas (a nebula) collapsed in its own gravity.
If you include bacteria, then about 4 billion years. (The earliest KNOWN life is 3,5 billion years old, but it had probably been around longer). If you want multicellular organisms , then about 1.2 billion years. Cambrian time period.