Europa may have plate tectonics similar to those on Earth
The findings bolster earlier studies of Europa's surface geology that found regions where the moon's ice shell looks to be expanding in a way that is similar to the mid-ocean spreading ridges on Earth.
Dec 05, 2017, 19:21 PM ISTBizarre discovery! Scientists say Earth was a 'donut-shaped' mass of hot, vaporised rock
Current theories of planet formation hold that rocky planets such as the Earth, Mars and Venus formed early in the existence of our solar system as smaller objects collided with each other.
May 23, 2017, 23:48 PM IST