News tagged with earth atmosphere

How strong is the gravity on Mars?

The planet Mars shares numerous characteristics with our own. Both planets have roughly the same amount of land surface area, sustained polar caps, and both have a similar tilt in their rotational axes, affording ...

dateDec 11, 2014 in Space Exploration
shares0 comments 0

Land use looms as large factor in global warming

For the world's deteriorating environment, don't blame burning fossil fuels exclusively. Land use and land cover changes contribute about 40 percent to "radiative forcing," a key underlying factor in global warming, according ...

dateDec 04, 2014 in Environment
shares0 comments 0

Monitoring meteor showers from space

Those who enjoy the spectacle of the Perseids, Geminids or other annual meteor showers likely aren't thinking about where these shooting stars originated or whether they might pose a danger. Scientists, however, ...

dateAug 13, 2014 in Space Exploration
shares0 comments 0

50 years of Mars observations

(Phys.org) —In 1964, Caltech astronomy professor Guido Münch and Jet Propulsion Laboratory space scientists Lewis Kaplan and Hyron Spinrad pushed the world's second-largest telescope to its limits and ...

dateMay 08, 2014 in Space Exploration
shares0 comments 1