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CosmosUp | July 10, 2020

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New Work has Found That Solar System’s Water Is Older Than the Sun

September 26, 2014 |

Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth’s water is key to understanding how life-fostering environments come into being and how likely they are to be found elsewhere. Read More

How many Days are in a Year?

September 11, 2014 |

A year is considered as the period during which the planet Earth makes a complete orbit around the sun. Read More

Did You Know about the Origin of the Sun?

July 4, 2014 |

Stars such as the sun usually form clusters along with other stars. Many of them are spread out, allowing the stars to drift apart, although others are more intense with gravity keeping the stars closer together. Today, the sun stands alone which makes astronomers wonder that our star and its solar system had either been evicted from its original cluster or moved away from its sibling stars around 4.5 billion years ago. Read More

Astronomers Have Identified Sun’s Long Lost ‘Sister’

May 11, 2014 | 1

Stars like the sun may end up alone but they are born in stellar nurseries, with a thousand — or a hundred thousand — siblings. Over time, the family disbands, victims of gravitational nudges and other tidings after 4.5 billion years of life in the cosmos. Read More

Space Facts The Sun

April 21, 2014 | 2

The Sun or Sol, is the star at the centre of our solar system and is responsible for the Earth’s climate and weather. The Sun is an almost perfect sphere with a difference of just 10km in diameter between the poles and the equator. The average radius of the Sun is 695,508 km (109.2 x that of the Earth) of which 20–25% is the core Read More

How We Know Black Holes Exist

March 11, 2014 |

In the late 18th century, two scientists (John Michell and Pierre Simon Laplace) separately theorized that a star could be so massive that not even light could escape its surface. But nothing more was made of these “dark stars” until the 20th century, when Albert Einstein published his general theory of relativity. Read More

The Sun Will Die: How Will The Sun Look When It Dies?

February 23, 2014 | 1

Someday in the very distant future – about 5 billion years from now – our sun begins to lose its “power”, running out of fuel, it will be the beginning of the end. The existence of the central star of our solar system will come to end. We know what it looks like today’s Sun, but how will look the dying sun? Read More

HD 162826: The Sun Has A Twin-Sister?

February 14, 2014 |

A star, known as HD 162826 and considered twin-sister of the Sun, located at a distance of 2,500 light-years from Earth, was discovered recently by scientists. Read More

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