Browse Items (17 total)

When the sun dies

New discoveries about the birth, life, and death of the sun and other stars

How big is the universe? Notes on recent measurements of the Milky Way

'How big is the universe? Notes on recent measurements of the Milky Way', Harpers

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The heavens through a spectroscope

Death Valley and our future climate

The variable sun

Sun-storms and the earth

The planet Venus and its problems

The earth as a magnet

Different explanations of the canals of Mars

Terrestrial magnetism

What is a comet?

Magnetic storms and the sun

The extent of the universe

Photographing the moon

Photographing the nebulae with reflecting telescopes

Man and the upper atmosphere

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