By the time of Comte, scientists unanimously rejected the idea that there was any essential difference between celestial and terrestrial matter, but they still had no empirical evidence to support their view any more than had Aristotle to support his, and to the positivist philosopher it seemed that none could ever be obtained.... The possibility of a solution to this problem appeared shortly after Comte's pronouncement with the rise of the science of astronomical spectroscopy...


"Why the Sun Shines" (18 July 1957)


By the time of Comte, scientists unanimously rejected the idea that there was any essential difference between celestial and terrestrial matter, but...

By the time of Comte, scientists unanimously rejected the idea that there was any essential difference between celestial and terrestrial matter, but...

By the time of Comte, scientists unanimously rejected the idea that there was any essential difference between celestial and terrestrial matter, but...

By the time of Comte, scientists unanimously rejected the idea that there was any essential difference between celestial and terrestrial matter, but...