The first astronomers created calendars from changes they saw in the Moon.
Some ancient people around 5,000 years ago set up large stones to mark the movement of the Sun and other stars.
One of those old observatories is Stonehenge in what we now call England..
The astrolabe is a calculation and pedagogical tool of Greek origin (2nd century BC).
It made it possible to solve astronomic problems without any calculations.
It identified, for example, the time that the the sun or the stars would rise or set, and the sun's height at its highest point above the horizon, etc..
Ancient people used astronomy mainly as a religious tool
Making day-to-day predictions as to what would occur. It was also used more practically to determine the change of seasons
Map trade routes
And tell the time of day. Are you a student or a teacher?
Space collectibles celebrates the 50th anniversary of NASA’s Apollo Program. This year the commemoration continues with a series of special sales honoring the historic Moon landing of Apollo 11
And on all milestone dates of Apollo Space and Soviet program. Plus
New vintage photos will continuously be added to the Apollo 50th Anniversary.
A good compromise
Which will allow you to get the great pricing of used equipment with the comfort that it will perform as is should
Is to buy used equipment from an astronomy retailer. Many retailers have trade in programs that allow people to trade in equipment for something new.
Ancient people used astronomy mainly as a religious tool, making day-to-day predictions as to what would occur. It was also used more practically to determine the change of seasons, map trade routes, and tell the time of day. Are you a student or a teacher?
The watercolor style design of the woods tattoo makes it look not monotonous at all. The aurora element is very suitable for designing with watercolor tattoos, so as to show its charm. This tattoo is one of the best gifts for astronomers. The design of the watercolor whale tattoo can remove the obvious outline and it looks cute.
