How fast does gravity travel? When will the sun go nova? Who invented the light year? Will we ever travel to the stars? These are just some of the unusual and popular questions NASA astronomer Sten Odenwald answers in Back to the Astronomy Caf, based on his award-winning website "for the astronomically disadvantaged. " Since his acclaimed earlier book The Astronomy Caf publis...(展开全部)

How fast does gravity travel? When will the sun go nova? Who invented the light year? Will we ever travel to the stars? These are just some of the unusual and popular questions NASA astronomer Sten Odenwald answers in Back to the Astronomy Caf, based on his award-winning website "for the astronomically disadvantaged. " Since his acclaimed earlier book The Astronomy Caf publis...(展开全部)

本书为公版书，为不受著作权法限制的作家、艺术家及其它人士发布的作品，供广大读者阅读交流。汇聚授权电子版权。

Written almost a century before the daring flights of the astronauts, Jules Verne’s prophetic novel of man’s race to the stars is a classic adventure tale enlivened by broad satire and scientific acumen. When the members of the elite Baltimore Gun Club find themselves lacking any urgent assignments at the close of the Civil War, their president, Impey Barbicane, proposes that...(展开全部)

Written almost a century before the daring flights of the astronauts, Jules Verne’s prophetic novel of man’s race to the stars is a classic adventure tale enlivened by broad satire and scientific acumen. When the members of the elite Baltimore Gun Club find themselves lacking any urgent assignments at the close of the Civil War, their president, Impey Barbicane, proposes that...(展开全部)

A classic of nineteenth-century French literature, this science fiction tale delves into the depths of the Earth, and by so doing, reveals the staggeringly long history of our planet. THIS ENRICHED CLASSIC EDITION INCLUDES : ? A concise introduction that gives the reader important background information ? A chronology of the author's life and work ? A timeline of s...(展开全部)

A classic of nineteenth-century French literature, this science fiction tale delves into the depths of the Earth, and by so doing, reveals the staggeringly long history of our planet. THIS ENRICHED CLASSIC EDITION INCLUDES : ? A concise introduction that gives the reader important background information ? A chronology of the author's life and work ? A timeline of s...(展开全部)

President Bill Clinton gives us his views on the challenges facing the United States today and why government matters—presenting his ideas on restoring economic growth, job creation, financial responsibility, resolving the mortgage crisis, and pursuing a strategy to get us "back in the future business.” He explains how we got into the current economic crisis, and offers specifi...(展开全部)

President Bill Clinton gives us his views on the challenges facing the United States today and why government matters—presenting his ideas on restoring economic growth, job creation, financial responsibility, resolving the mortgage crisis, and pursuing a strategy to get us "back in the future business.” He explains how we got into the current economic crisis, and offers specifi...(展开全部)