The celestial sphere, the coordinates system, seasons ...
The celestial sphere, the coordinates system, seasons, phases of the moon and eclipses
Chapters 2 and S1
The celestial sphere and the coordinates system
Chapter S1
How to find our way in the sky? Let's start with the Earth Coordinate System
Latitude: N-S of the equator, Longitude: E-W along equator
From Earth to Space
The Celestial Sphere
? The Celestial Sphere: An
imaginary sphere of infinite
radius centered on Earth. ? The extensions of the Earth
North Celestial Pole
North and South Pole define
the North and South celestial
poles.
? The projection of Earth equator defines the Celestial equator.
? Celestial Sphere can then be divided into a grid, just like the Earth is divided into a grid of latitude and longitude.
North celestial poleNorth
Celestial Equato r
South Celestial Pole
The Celestial Sphere: Motions
? Stars, planets and Sun are "attached" to this imaginary sphere.
? As the Earth rotates, the celestial sphere (with the stars attached to it) appears to rotate in the opposite direction.
? To explain the daily motions of the sky you can imagine the sphere rotating once in 23 hours 56 minutes (using a star as reference).
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- download mp3 download lagu judika 6052 mb mp3 free download
- from burger flipper to cooking kingpin
- also by john green amazing luxury
- global intelligence zenith
- developments and challenges in the hospitality and tourism
- into your world
- suggested answer syl12 dec13 paper 10
- for everyone in their household conveniently organized by
- commercial deer processors public list
- industry report on small business loans in india
Related searches
- why the school system is bad
- is the education system broken
- the school system is broken
- the education system is failing
- why the education system is good
- changing the school system essay
- the college system is broken
- the education system is broken
- the school system is bad
- the planets of the solar system song
- the organs in the circulatory system include
- nad 83 coordinates system x and y