1000000000/3600 = 10000000/36 = 2500000/9 hours
2500000/9 hours = 2500000/(9x24) = 11574.07407 days
11574.07407 days = 11574.07407/365 = 31.70979197 years (assuming 365 days in a year)
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∙ 9y ago1 billion minutes ago was the year 110 . 1 billion minutes later will be the year 3913 .
One billion seconds ago is roughly the equivalent of 31.7 years ago, using the US definition of one billion. One billion is one thousand millions.
As of now (23 January 2013), it would be the year 111.
4.5 billion years ago the earth was a molten ball surrounded by hydrogen and helium.
That was about 114,155 years ago, or 112,142 BC
1 Billion years old
Mars is believed to have formed about 4.6 billion years ago, around the same time as the rest of the solar system. It was formed from the same cloud of gas and dust that gave rise to the Sun and the other planets.
About 13,7 billion years ago.
4.6 billion years ago
1 billion minutes ago was the year 110 . 1 billion minutes later will be the year 3913 .
The Sun was born about 4.6 billion years ago as a result of the gravitational collapse of a region within a large molecular cloud. This event marked the beginning of the Solar System's formation.
Planets are not actually born, they are formed. In the case of Mars, the date would be about four and a half billion years ago.
13.2 billion years ago.
The Earth is believed to have coalesced as a solid body roughly 4.5 billion years ago.
The Carboniferous period, during which oxygen amounted to 35% of the atmosphere by volume (this was around 300 million years ago). Nowadays the amount is 20.95%.
The Earth is estimated to be around 4.5 billion years old based on radiometric dating of rocks and meteorites.
A.A billion seconds ago it was 1959.B.A billion minutes ago Jesus was alive.C.A billion hours ago our ancestors wereliving in the Stone Age.D.A billion days ago no-one walked on the earth on two feet.