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Category: Stars

13 de November de 2022 / Planets, Stars, Universe

What is the habitable zone of a star?

The discovery of a similar planet to the Earth would generate a great impact and interest, especially if this planet could be habitable. But, whereRead More

15 de October de 2022 / General, Stars

How long would it take to travel to the closest star?

Leaving aside the Sun, the closest star to the Earth is Proxima Centauri. This star belongs to a stellar system named Alpha Centauri, formed byRead More

9 de October de 2022 / General, Stars

Which is the closest star to the Earth?

Naturally, the closest star to the Earth is the central star of our solar system: the Sun. Our star belongs to the yellow dwarf categoryRead More

8 de April de 2022 / General, Stars

Why do stars appear in different colours?

Throughout history, humanity has looked to the stars with admiration. At a first glance, most of them appear white. Some centuries ago, most scientists thoughtRead More

1 de October de 2021 / Stars

What are neutron stars? Their formation and characteristics

When a supermassive star explodes as a supernova, its nucleus collapses and is converted into an ultra-dense celestial body. It is thought that in theRead More

24 de September de 2021 / Stars

The white dwarfs, stellar vestiges

The future of a star is determined by its mass. The most massive stars have a very violent death, exploding as supernovae and converting consequentlyRead More

23 de July de 2021 / General, Stars, Universe

Is life possible around red dwarfs?

Our universe is populated by many types of stars. Each type of star has a different colour, and their life varies from some million yearsRead More

4 de June de 2021 / Stars

Light takes about 170 000 years to get out of the Sun

Because of the enormous gravity that there is in the centre of the Sun, this one reaches to fuse hydrogen atoms, creating, as a result,Read More

11 de December de 2020 / General, Stars

Stephenson 2-18, the biggest star known in the universe

In the universe there is an enormous quantity of stars, which, between them, the most part of these last, are of a type named “redRead More

2 de June de 2020 / Stars

How are the stars born?

The stars, whether they are giant or dwarfs, have born all of them in the same way and are formed from a same type ofRead More

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Recent Posts: Cosmo Espai

What is the temperature of space and why

What is the temperature of space and why

Beyond the Earth, space is a hostile place for human beings. Near the stars, the temperature is very elevated, but this rapidly changes as weRead More

All about the Dragon capsule, from SpaceX

All about the Dragon capsule, from SpaceX

Dragon is a partially reusable spacecraft developed by the American aerospace company SpaceX. This capsule is capable of carrying 7 astronauts on missions to andRead More

The New Glenn rocket, from Blue Origin

The New Glenn rocket, from Blue Origin

Blue Origin is an aerospace enterprise founded in 2000 by Jeff Bezos, founder of Amazon. Apart from offering manned suborbital flights to space, the companyRead More

The New Shepard, a rocket for space tourism

The New Shepard, a rocket for space tourism

The New Shepard is a rocket manufactured by Blue Origin, an aerospace enterprise founded in 2000 by Jeff Bezos, CEO and founder of Amazon. ThisRead More

The effects of the solar wind on the Earth

The effects of the solar wind on the Earth

The solar wind is a continuous stream of particles, mainly very energetic protons and electrons that come from the most superficial layer of the SunRead More

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