Sentences with phrase «ocean by a comet»
If there was a huge meteor impact in the indian ocean by a comet, it would create a humongous tsunami that would sweep miles inland....
http://religion.blogs.cnn.com/ Not exact matches
«It is believed that the Earth was initially dry, but our research strongly supports the view that the oceans we have today were created as a result of impacts by water - rich comets or asteroids.»
The shape and size of these chevrons suggest that they might have been formed by waves emanating from the impact of a comet slamming into the deep ocean off Madagascar.
Each candidate must target research priorities from a list set by the scientific community, which this time included a return to Venus; probing of Saturn or its ocean moons; exploration of the moon's south pole; or returning a sample from a comet, among other options.
Those clays were probably brought to Europa by comets or asteroids, and if such material was able to make it into Europa's subsurface ocean, it could provide the nutrient - rich soup that could allow life to emerge.
The global science community still isn't entirely sure what caused the repeated cycles — there may have been larger oceans in the northern hemisphere that powered a hydrological cycle (evaporation, condensation, precipitation), or shorter cycles could've been caused by volcanic activity or asteroid / comet impacts.
Ideas that commonly surface include perturbations to the earth's orbit by other planets, disruptions of ocean currents, the rise and fall of greenhouse gases, heat reflection by snow, continental drift, comet impacts, Genesis floods, volcanoes, and slow changes in the irradiance of the sun.