From 0b8ca6637be94f7814cafa7d01ad4699672ff336 Mon Sep 17 00:00:00 2001 From: Darrell Anderson Date: Tue, 21 Jan 2014 22:06:48 -0600 Subject: Beautify docbook files --- tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook | 28 ++++------------------- 1 file changed, 5 insertions(+), 23 deletions(-) (limited to 'tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook') diff --git a/tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook b/tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook index 9237efa55e7..c953ad8f3f9 100644 --- a/tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook +++ b/tde-i18n-en_GB/docs/tdeedu/kstars/csphere.docbook @@ -1,28 +1,10 @@ -Jason Harris +Jason Harris -The Celestial Sphere -Celestial Sphere -Celestial Coordinate Systems +The Celestial Sphere +Celestial Sphere +Celestial Coordinate Systems -The celestial sphere is an imaginary sphere of gigantic radius, centred on the Earth. All objects which can be seen in the sky can be thought of as lying on the surface of this sphere. Of course, we know that the objects in the sky are not on the surface of a sphere centred on the Earth, so why bother with such a construct? Everything we see in the sky is so very far away, that their distances are impossible to gauge just by looking at them. Since their distances are indeterminate, you only need to know the direction toward the object to locate it in the sky. In this sense, the celestial sphere model is a very practical model for mapping the sky. The directions toward various objects in the sky can be quantified by constructing a Celestial Coordinate System. +The celestial sphere is an imaginary sphere of gigantic radius, centred on the Earth. All objects which can be seen in the sky can be thought of as lying on the surface of this sphere. Of course, we know that the objects in the sky are not on the surface of a sphere centred on the Earth, so why bother with such a construct? Everything we see in the sky is so very far away, that their distances are impossible to gauge just by looking at them. Since their distances are indeterminate, you only need to know the direction toward the object to locate it in the sky. In this sense, the celestial sphere model is a very practical model for mapping the sky. The directions toward various objects in the sky can be quantified by constructing a Celestial Coordinate System. -- cgit v1.2.1