telescope

/Tag: telescope
11 09, 2017

Ottoman science – astronomy and clocks

By |2019-09-05T06:01:24-07:00September 11th, 2017|West Asia|0 Comments

Taqi al-Din in his observatory Ottoman scholars built many libraries in Istanbul and in other cities of the Ottoman Empire. They translated many earlier books into Turkish or Arabic, like the works of the Roman astronomer Ptolemy. Ottoman scholars also continued to make their own new investigations. The mathematician Ali Qushji, for instance, came [...]

19 08, 2017

Uranus – Planets – Astronomy – Space science

By |2018-05-31T11:49:18-07:00August 19th, 2017|Physics|0 Comments

Uranus, the second to last planet out from the Sun Uranus is between Saturn and Neptune, so it's the next to the last planet away from our Sun. It takes Uranus 84 years to go around the Sun because it is so far away. Like the other planets going around our Sun, Uranus (YER-ann-uss) formed about 4.5 billion years [...]

19 08, 2017

Neptune – Planets – Astronomy – Physics

By |2018-05-31T11:49:18-07:00August 19th, 2017|Physics|0 Comments

Neptune from space Neptune is the farthest planet from our Sun. Neptune is the only planet that is so far away that you can't see it without a telescope. Neptune (NEPP-toon) is an icy planet, about the same size as Uranus. Neptune's probably a lot like Uranus in other ways, too. Neptune has a rocky core [...]

18 07, 2017

What is parallax? History of astronomy

By |2018-04-23T14:09:48-07:00July 18th, 2017|Greeks, Science|0 Comments

Parallax and your finger Parallax comes from the Greek word "para", meaning "alternate" and "alla", meaning "change". Greek people used the word parallax to describe how an object seems to move when you look at it from two different places. The easiest way to see parallax in action is to hold out your left arm [...]