"In this timely and vividly written account, William Sheehan traces human fascination with Mars back to the naked-eye observers of the planet. He recalls the early telescopic observers who first made out enigmatic markings and polar caps on its surface. Through lively historical…
"In this timely and vividly written account, William Sheehan traces human fascination with Mars back to the naked-eye observers of the planet. He recalls the early telescopic observers who first made out enigmatic markings and polar caps on its surface. Through lively historical…
"The first galaxies appeared as violently disturbed exotic objects when the Universe wa only a few [hundred] million years old. From taht tortured beginning, they have evolved through processes of accretion, merging and star formation into the majestic spirals and massive ellipt…
