WebApr 12, 2024 · Here is how the Earth got its water (Score: 3) by gargleblast ( 683147 ) on Thursday April 13, 2024 @03:27AM ( #63445990 ) Earth got its water from hydrogen and oxygen in the nebula that formed the Sun and its planets. The hydrogen came from the big bang, and the oxygen came from one (or more) older, bigger stars than the sun that … WebMar 22, 2024 · Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet. Water covers 70% of Earth's surface. Earth's atmosphere is made mostly of nitrogen and has plenty of oxygen for us to breathe.
Why is there water on Earth? - The Conversation
WebOct 30, 2014 · The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar … Web4 hours ago · From that, they were able to establish that the water was being held in the rock known as ringwoodite. If the rock contained just 1 per cent water, it would mean that there is three times more water under the surface of the Earth than there is in the oceans on the surface. Have your say in our news democracy. prayer wall ideas at home
Is the world running out of fresh water? - BBC Future
WebApr 14, 2024 · This weeks Water Fun Fact is about how much fresh water we have on the Earth if we use an example. If the entire world’s water were fit into a 1 gallon jug, the … WebDec 13, 2024 · By studying the absorption spectra of the starlight, they can see whether the planet's atmosphere contains water, and how much water there is. Recently a team studied the atmospheres of 19 exoplanets. WebFeb 11, 2024 · In this model, water could have been brought to Earth by comets or asteroids colliding with the Earth. Such a complex origin for water would likely mean that … scof tile