--------------------------------------------------------------------- | 1 | 2 | 3 | 4 | | | |_Average | | | _Dark Stars_ | _Sun_ | Star_ |_Betelgeuse_| --------------------------------------------------------------------- A. Approximate | | | | | radius in miles | 430,000 | 860,000 | 2,150,000|218,000,000 | | | | | | B. Assumed | | | | | temperature above| | | | | absolute zero. | 900 deg. C. | 6300 deg. C.| 5400 deg. C.| 3150 deg. C. | | | | | | C. Approximate | | | | | theoretical | | | | | distance at which| | | | | star would cause | | | | | solar disturbance| | | | | great enough to | | | | | cause glaciation | | | | | (billions[118] | | | | | of miles). | 1.2 | 120 | 220 | 3200 | | | | | | D. Average | | | | | interval between | | | | | approaches | | | | | close enough to | | | | | cause glaciation | | | | | if all stars |130,000,000,000| | | | were of given |[119] | | | | type. Years. | |130,000,000|38,000,000| 700,000 | ---------------------------------------------------------------------