Observations

Daily cosmobite: Mt Wilson telescope anniversary

The dome of the 60-inch (1.5-metre) telescope at Mt Wilson. Photo Nick LombOn this day in 1908 the first large reflecting telescope since Melbourne’s Great Melbourne Telescope received its 60-inch or 1.5-metre wide mirror at Mt Wilson outside Los Angeles. The next evening was “first light” for the telescope, which astronomers still use to observe the activity of Sun-like stars.

The dome of the 60-inch (1.5-metre) telescope at Mt Wilson. Photo Nick Lomb

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