George Ellery Hale

The physical basis of the solar cycle was elucidated in the early twentieth century by George Ellery Hale and collaborators, who in 1908 showed that sunspots were strongly magnetized (this was the first detection of magnetic fields outside the Earth), and in 1919 went on to show that the magnetic polarity of sunspot pairs:

Universe Today 2009

The fierce wildfire burning north of Los Angeles is increasingly becoming a threat to historic Mount Wilson Observatory, where astronomers from Edwin Hubble to George Ellery Hale made key discoveries about the cosmos.

SPACE.com 2009

Founded in 1904 by George Ellery Hale, the observatory includes the 60-inch Hale telescope, the 100-inch Hooker telescope (which saw first light in 1917), three solar telescopes, and interferometers (which help measure celestial details such as star diameters).

SPACE.com 2009

When it was built in 1908, the brainchild of George Ellery Hale, the revolutionary telescope was the largest in the world and the first to explore rather than map the universe.

AroundTheCapitol.com 2008

When it was built in 1908, the brainchild of George Ellery Hale, the revolutionary telescope was the largest in the world and the first to explore rather than map the universe.

LA Observed 2008

The story of American astronomer George Ellery Hale (1868-1938) and his efforts to build the world's four largest telescopes - which set the stage for astronomy and space exploration throughout the 20th century, revealing the greatest discoveries since Galileo and Copernicus.

Bad Astronomy 2008

For example, in 1905 George Ellery Hale described the reason for building Cal Tech's Mount Wilson Solar Observatory as:

Space Physics and the Changing National Landscape 1995