Many galaxies have only been discovered using late 20th century astronomical instrumentation.

Like majority of known planets, it was discovered using the radial velocity method.

This planet was discovered in July 2009 using the radial velocity method.

This was the first comet to be discovered using an automated system.

Phaethon was the first asteroid to be discovered using images from a spacecraft.

Kepler-9 holds the first multiplanetary system discovered using the transit method.

This was one of the first drugs discovered using a rational drug design approach.

The first natural satellite discovered using photographic plates was Phoebe in 1898.

Teegarden's Star was discovered in 2003 using asteroid tracking data that had been collected years earlier.

In 1930, Pluto was discovered using one of the observatory's telescopes.