Sentence examples for within a human lifetime from inspiring English sources

But while slow within a human lifetime, he said, such changes need to be considered over much longer periods of time, like that of the fossil record.

Paul Gilster, the author of "Centauri Dreams: Imagining and Planning Interstellar Exploration" and the blog Centauri Dreams, believes that two technologies, ion rockets and solar sails, could take a telescope that far within a human lifetime.

And they think that future lunar eruptions are likely although probably not within a human lifetime.

And they think that future eruptions are likely although probably not within a human lifetime.

The star could then be reached in 50 years, within a human lifetime.

The debate concerning the relevance of the mutator hypothesis has centered around whether mutator mechanisms are required to explain the appearance of a single cancer cell within a human lifetime.

"Vikings in Space") said recently at a Los Angeles panel on the science of superheroes, "Every science fiction writer who wants to get out of the solar system [within a human lifetime] gloms onto that.

Four centuries after Copernicus, this principle permitted a chain of observation, experiment and deduction that within half a human lifetime confirmed that the universe began with a big bang 13.7bn years ago.

Even if our travels round the universe are always limited by the velocity of light, that still puts many star systems within reach during a human lifetime.

It is a stunning reminder of how much the world has been transformed within the span of a human lifetime, and also how little".

Causes and consequences of climate change over longer timescales, ranging from variability over many thousands of years paced by subtle changes in Earth's orbit to abrupt changes, sometimes within the span of a human lifetime, forced by as-yet unidentified mechanisms internal to Earth's climate system.