Supernovae and black holes

By: Elena Martín Guillén

Terremotos: que es un terremoto, sismo o temblor en la tierra.

In truth, however, our planet's seemingly stable surface is made up of enormous pieces of rock that are slowly but constantly moving. Those pieces continually collide with and rub against one another, and sometimes their edges abruptly crack or slip and suddenly release huge amounts of pent-up energy. These unsettling events are called earthquakes, and small ones happen across the planet every day, without people even noticing. But every so often, a big earthquake occurs, and when that happens, the pulses of energy it releases, called seismic waves, can wreak almost unfathomable destruction and kill and injure many thousands of people. 

 by: Alicia Costa Fresneda

Neutron stars and white dwarfs

by: Alicia Costa Fresneda

Inside the Earth

By Victoria Saura Montesinos

Earth's formation

Earth's formation from cmc1b

By Luis Andrés Manchado

The origin of the world

Many cultures have stories describing the origin of the world, which may be roughly grouped into common types. 
In one type of story, the world is born from a world egg; such stories include the Finnish epic poem Kalevala, the Chinese story of Pangu or the Indian Brahmanda Purana.
 In related stories, the Universe is created by a single entity emanating or producing something by him- or herself, as in the Tibetan Buddhism concept of Adi-Buddha, the ancient Greek story of Gaia (Mother Earth), the Aztec goddess Coatlicue myth, the ancient Egyptian god Atum story, or the Genesis creation narrative.
 In another type of story, the Universe is created from the union of male and female deities, as in the Maori story of Rangi and Papa. 
In other stories, the Universe is created by crafting it from pre-existing materials, such as the corpse of a dead god — as from Tiamat in the Babylonianepic Enuma Elish or from the giant Ymir in Norse mythology – or from chaotic materials, as in Izanagi and Izanami in Japanese mythology.
 In other stories, the Universe emanates from fundamental principles, such as Brahman and Prakrti, the creation myth of the Serer or the yin and yang of the Tao.




By Miguel Calvo Hernández

Found the most similar planet to the Earth

Kepler-78b is the most similar planet to the Earth that astronomers have found so far.
It's located outside the Solar System, 430 light years away from our planet. It has similar mass and density to the Earth's, it's a rocky planet as well and it orbits a star similar to the Sun.
Even though the Earth and Kepler-78b both share the same physical characteristics, this recently discovered planet wouldn't be able to have any kind of life due to its extremely high temperature, which goes between 3000 and 5000ºC. Another difference is that Kepler-78b's orbit around its star lasts about 8 hours and a half, while the Earth takes 365 days to orbit the Sun.
This discovery has encouraged astronomers to keep looking for the Earth's twin planet, with the possibility of finding life along with it.

By Irene Barroso Navas