The Stonehenge my friend was an Observatory that was said to be used to map stars, or so I have read.
the atria contracts first then the ventricle hencep qrs
Mozart begin playing instruments at the tender age of 6 years old. He could play the violin, harpsichord, piano, and other keyed instruments of the time.
Jack Kilby at Texas Instruments tested the first ever Integrated Circuit (or microchip). The idea was independently developed a short time later by Robert Noyce and both were awarded the Nobel prize.
Jack Kilby at Texas Instruments tested the first ever Integrated Circuit (or microchip). The idea was independently developed a short time later by Robert Noyce and both were awarded the Nobel prize.
On a sunny day, stick a decently tall object into the ground, perpendicular to the ground. Mark the top of its shadow. Wait some period of time (15 minutes might work) and mark the top of its shadow again. Draw a line from the first point toward the second point. That direction is (approximately) east.
Telescopes are instruments used by astronomers. The first person to do this was Galileo.
Many people consider the first astronomers to be the first humans that ever looked up at the night sky and wondered what was really up there. So cavemen were probably the first astronomers.
well because they didnt know each other at first they learned any instruments in their school years.
Neil amistorng.
The ancient Greeks were the first astronomers.
Because it allowed astronomers their first direct view of a cosmic collision.
By Chinese astronomers in 185 AD
Because it allowed astronomers their first direct view of a cosmic collision.
Neil Armstrong and Buzz Aldrin
To their observatories
Not really, the Babylonians and the Egyptians beat them to it.
they are called astronomers.