"In the bright blue dazzle of the real daytime sky, we can't see the stars; but the stars are there."
SET TIME PERIOD 250;
LOAD SETTINGS :MEDIA:GTours:1_Essent:1_14.RS3;
REFRESH;
LOAD WAVE :MEDIA:GTours:1_Essent:1_14_01.wav;
}
{
"With Redshift, it's no problem to pretend the air isn't there to make the sky blue."
LOAD WAVE :MEDIA:GTours:1_Essent:1_14_02.wav;
FILTER
2 -1
4 -56
5 39
8 -56
9 39
;
}
{
"It's midday in London on the 15th of January; and the Sun is in the constellation Sagittarius."
LOAD WAVE :MEDIA:GTours:1_Essent:1_14_03.wav;
SET PANEL TIME 5 100;
SET PANEL TIME ON;
FILTER
14 1
16 -1
18 -1
20 -1
22 -1
24 -1
26 -1
28 -1
30 -1
32 -1
34 -1
36 -1
38 -1
40 -1
42 -1
44 -1
46 -1
48 -1
50 -1
52 -1
54 -1
56 -1
58 -1
60 -1
62 -1
64 -1
66 -1
68 -1
70 -1
72 -1
74 -1
76 -1
78 -1
80 -1
82 -1
84 -1
86 -1
88 -1
90 -1
92 -1
94 -1
96 -1
98 -1
100 -1
102 -1
104 -1
106 -1
108 -1
110 -1
112 -1
114 -1
116 -1
118 -1
120 -1
122 -1
124 -1
126 -1
128 -1
130 -1
132 -1
134 -1
136 -1
138 -1
140 -1
142 -1
144 -1
146 -1
148 -1
150 -1
152 -1
154 -1
156 -1
160 -1
162 -1
164 -1
166 -1
168 -1
170 -1
172 -1
174 -1
176 -1
178 -1
180 -1
182 -1
184 -1
186 -1
188 -1
190 -1
192 1
198 -1
;
}
{
"Now suppose we let a year role by, stepping forward 5 days at a time. Over the course of a year the Sun makes one circuit round the sky through the band of constellations known as the zodiac. Its path is called the ecliptic."
LOAD WAVE :MEDIA:GTours:1_Essent:1_14_04.wav;
FILTER
22 1
28 1
38 1
46 1
90 1
106 1
112 1
146 1
160 1
170 1
186 1
;
REFRESH;
SET TIME STEP 4.958333333;
PLAY TIME FORWARD 64;
}
{
"In December, the Sun goes through Ophiuchus, not one of the traditional zodiac signs."
LOAD WAVE :MEDIA:GTours:1_Essent:1_14_05.wav;
FILTER
132 1
;
REFRESH;
PLAY TIME FORWARD 9;
}
{
"Use the Time control panel to go to any date you choose. Notice that the astronomical constellation in which the Sun lies is not the same as the astrological SIGN for the same date."