William Herschel Quote

The power of penetrating into space by telescopes is very different from magnifying power, and ought to be considered separately.


On the Power of Penetrating into Space by Telescopes, Philosophical Transactions of the Royal Society of London, Volume 90, 1800 (p. 49)


The power of penetrating into space by telescopes is very different from magnifying power, and ought to be considered separately.

The power of penetrating into space by telescopes is very different from magnifying power, and ought to be considered separately.

The power of penetrating into space by telescopes is very different from magnifying power, and ought to be considered separately.

The power of penetrating into space by telescopes is very different from magnifying power, and ought to be considered separately.