TABLE VII

======+========+============+==========+==========================

d | α | Mass | Period | Density

------+--------+------------+----------+--------------------------

10² | 10⁻¹ | 2.7 × 10⁵ | 9 × 10² | 1.4 × 10⁹ suns per cu. LY

10³ | 10⁰ | 2.7 × 10⁶ | 9 × 10³ | 1.4 × 10⁷

10⁴ | 10¹ | 2.7 × 10⁷ | 9 × 10⁴ | 1.4 × 10⁵

10⁵ | 10² | 2.7 × 10⁸ | 9 × 10⁵ | 1.4 × 10³

10⁶ | 10³ | 2.7 × 10⁹ | 9 × 10⁶ | 1.4 × 10¹

------+--------+------------+----------+--------------------------

Photographic investigations of faint nebulae · 第 15 / 41 题