1. 5 CLS:SCREEN 9 :KEY OFF:COLOR 15,16:LOCATE 2,1:PRINT"Cosmic Terrorist Richard
Muller UC Berkeley"
10 LOCATE 3,1:PRINT" Sun revolves in 200E6 years. Parsec = 3.262 light years."
15 REM Muller UC Berkeley graphics from book by Hearn & Baker"
20 LOCATE 4,1 :PRINT"Sun and Nemesis 8500 parsecs from center of Milky Way
Galaxy"
25 LOCATE 5,1: PRINT"Nemesis 2.8 light years from sun moving 100 m/s around the
sun."
30 LOCATE 6,1: PRINT"Sun revolving 230 kilometer per second"
35 LOCATE 10,50: PRINT"Oort Cloud"
40 LOCATE 7,1: PRINT"Nemesis revolves in 26E6 years"
45 YSUN = 190
50 XSUN = 260
55 EARTHORBIT = 84
60 MOONORBIT = 24
65 SUN = 70
70 EARTHORBIT = 84
75 EART = 2
80 EARTH = 7
85 CIRCLE(265,180),50,3
90 LOCATE 12,30:PRINT "Center"
95 LOCATE 13,30:PRINT "Milky Way"
100 LOCATE 14,30:PRINT "Galaxy"
105 MOONPOSITION = 0
110 UU = UU + 1
115 FOR EARTHPOSITION = 6.28316 TO (1/EARTHORBIT) STEP -.1/EARTHORBIT
120 PAINT(XEARTH,YEARTH),0,0
125 XEARTH = XSUN + EARTHORBIT * COS(EARTHPOSITION)
130 YEARTH = YSUN + EARTHORBIT * SIN(EARTHPOSITION)
135 CIRCLE(XEARTH,YEARTH),EARTH,1
140 PAINT(XEARTH,YEARTH),1,1
145 PAINT(XMOON,YMOON),0,0
150 XMOON = XEARTH + MOONORBIT * COS(MOONPOSITION)
155 YMOON = YEARTH + MOONORBIT * SIN(MOONPOSITION)
160 CIRCLE(XMOON,YMOON),EARTH,1
165 PAINT(XMOON,YMOON),1,1
170 MOONPOSITION = MOONPOSITION + 3.692308E-02 / MOONORBIT
175 IF UU > 2 THEN 190
180 NEXT
185 GOTO 105
190 REM
195 LOCATE 18,1 :PRINT "KEPLER'S LAWS"
200 LOCATE 19,1:PRINT "GRAVITY * MASS / RADIUS^2 = (2 * PI * RADIUS/TIME)^2/
RADIUS"
205 PI = 3.14159
210 YEAR = 3.156E+07 ' SECONDS IN ONE YEAR
215 LITEYR = 9.461E+15
220 RP = LITEYR * 1.4
225 T = 8.2056E+14 ' TIME 26 MILLION YEARS
230 T2 = 7.1765E+14 ' TIME 22.7 MILLION YRS
235 MS = 1.901E+30 ' MASS SUN
240 MN = 1.454412E+30 ' MASS NEMESIS
245 R= 1.182625E+16 ' HALF OF LONG ELLIPSE 2.5 LIGHT YEARS
250 G = 6.67E-11 ' GRAVITY CONSTANT
255 AB = (G*MS)/R^2
260 BA = (2 * PI * R/T2)^2 / R

2. 265 CD = (G*MN)/R^2
270 DF = (2 * PI * R/T)^2 / R
275 EE = (G*MS)/RP^2
280 EF = (2 * PI * RP/T)^2 / RP
285 LOCATE 21,1:PRINT "NEMEIS MASS SAME AS SUN 1.901E30kg", T2/YEAR " YEARS T -
TIME"
290 'PRINT AB,,BA " RADIUS";R" METERS
295 'PRINT "NEMESIS MASS";MN;"kg." , T/YEAR " YEARS T - TIME"
300 'PRINT CD,,DF " RADIUS";R" METERS
305 'PRINT "NEMESIS MASS";MN;"kg." , T/YEAR " YEARS T - TIME"
310 'print EE,EF " RADIUS";RP" METERS