There are over 100 billion galaxies in the universe.
A British billion is equal to an American billion in modern use.(Formerly, a British billion used to be equal to a US Trillion)
"He studies astronomy".A2:"Computer science is no more about computers than astronomy is about telescopes."- Edsger Dijkstra
In the United States, "1.4 billion" is 1,4000,000,000. A "billion" is a thousand million. In England, "1.4 billion" used to be 1,400,000,000,000, a "billion" being a MILLION million. The British would use the word "milliard" where we would use "billion".
I have always wanted one billion dollars for my birthday!
The Anasazi used astronomy *Your welcome*
The Anasazi used astronomy *Your welcome*
The Anasazi used Astronomy *Your welcome*
He always dreamed of astronomy as his future profession, but he became a doctor instead.
I write 1000000000000000 (1015) as:One thousand billion; orOne billiardas I use the long scale (as used in Europe).Others write it asOne quadrillionas they use the short scale (as used in USA).
Aboriginals used astronomy to predict the coming of the seasons and for a path for there ancestors
To keep track of records, the Maya used astronomy.
You use scientific notation in astronomy to compute very large or very small numbers.