Why Is Life Not Possible On All Planets Answer?

Why Is Life Not Possible On All Planets Answer? Low-mass planets are poor candidates for life for two reasons. First, their lesser gravity makes atmosphere retention difficult. Constituent molecules are more likely to reach escape velocity and be lost to space when buffeted by solar wind or stirred by collision. Why do planets Cannot sustain

What Replaced Copernicus?

What Replaced Copernicus? By the 16th century, this model was gradually superseded by the heliocentric model of the universe, as espoused by Copernicus, and then Galileo and Kepler. Who continued Copernicus findings? While Copernicus rightly observed that the planets revolve around the Sun, it was Kepler who correctly defined their orbits. At the age of

Why Do You Think Earth And Mars Have Fewer Moons Than The Outer Planets?

Why Do You Think Earth And Mars Have Fewer Moons Than The Outer Planets? For a short answer: The giant planets have more moons than the terrestrial planets because of their great masses which result in stronger gravitational fields. And giant planets also occupy greater space and hold larger volumes of mass in their surrounding

Why Is The Oort Cloud Important For Understanding The Formation Of The Solar System?

Why Is The Oort Cloud Important For Understanding The Formation Of The Solar System? The Oort cloud is far enough away that the gravitational influence of passing stars can perturb a comet’s orbit. … A comet headed toward the inner solar system could hit the Sun or impact a planet. Or it could be “caught”