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Who Are We?

Who Are We?

Since forever, humans have been questioning about their existence and the things we see around us here and in the cosmos. The most curious question perhaps always has been outside our planet, “what exists beyond our planet and even the universe?”.

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207 reads

The Universe Is Probably Around 13.8 Billion Years Old

The Universe Is Probably Around 13.8 Billion Years Old

According to the European Space Agency’s Planck observatory—which measures temperature variations in the cosmic background—our universe is around 13.8 billion years old.

However, the team working with Hubble telescope estimated our universe to be 12.5 billion years old based on the expansion rate of the universe.

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193 reads

How To Measure The Age Of Our Universe

How To Measure The Age Of Our Universe

Well, one of the earliest ways was to measure the distance of the stars from the Earth by observing the parallax effect. Parallax effect is the position of an object depending on the observer’s point of view.

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177 reads

The Work Of Henrietta Leavitt

The Work Of Henrietta Leavitt

Around 20th century, Henrietta Leavitt developed the standard “candle technique” to measure distance. Then in the 1920’s, Edwin Hubble used the technique to find the distance of stars in Andromeda Galaxy which is the nearest largest galaxy to our galaxy.

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174 reads

NEIL DEGRASSE TYSON & JAMES TREFIL

If we want to know how old the universe is, then we need to detect light that was emitted by the farthest object we can see. The age of the universe is estimated to be either 12.5 or 13.8 billion years old, though most scientists agree on 13.8.

NEIL DEGRASSE TYSON & JAMES TREFIL

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159 reads

95% Of The Universe Is Dark Matter And Dark Energy

95% Of The Universe Is Dark Matter And Dark Energy

Do you know what dark matter and dark energy is? You may have heard about it already. Unfortunately, the short answer to that question is that nobody really knows. However, we do know that the observable matter such as atoms, protons, electrons quarks just make 5% of the universe. Dark matter & Dark Energy are different and do not affect each other. Dark Matter makes 27% of the universe and it affects the rotation if galaxies as it has a gravitational force.

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147 reads

Dark Energy?

Dark Energy?

Well, Dark Energy makes up 68% of the universe and is known or seen as “antigravity” which speeds up the expansion of the universe. Due to its anti-gravity nature, it also pushes away galaxies from each other.

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148 reads

We May Not Ever Know “Everything There Is To Know

We May Not Ever Know “Everything There Is To Know

According to the authors, the more we understand about the universe, the more questions arise. The modern technology and progressive advancements may have enabled us to peek into distant areas in the universe but that has also given us more questions to answer and more areas to discover.

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131 reads

TALHA MUMTAZ

And lastly, I have always believed that the ultimate question about our existence will only be answered when we try to understand God as much as the universe. Science and religion can actually go hand-in-hand if we ponder thoughtfully and try to understand each within the context of the other.

TALHA MUMTAZ

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142 reads

IDEAS CURATED BY

talhamumtaz

Full time reader (and part-time Growth Consultant) trying to make the sense of the world by learning from the experiences of intellectuals around me and before me.

CURATOR'S NOTE

Neil DeGrasse Tyson and James Trefil tries to answer the oldest questions about the universe we live in along with the origins of life and our future.

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