What did Carl Sagan mean when he said "The cosmos is within us"?

What did Carl Sagan mean when he said “The cosmos is within us”?

I have read the 2009 fifth edition of Cosmos, one of Carl Sagan’s most important works, which is one of the few popular science books to enter the worldwide bestseller list. The book, which was first published in the United States in 1980 is a book of Sagan’s documentary series of the same name.

What did Carl Sagan mean when he said “The cosmos is within us”? Read More
Have we really been to the Moon, or have we been deceived?

Have we really been to the Moon, or have we been deceived?

It has been 53 years since that first step, one small step for Neil Armstrong and one big step for humanity. What happened before the trip to the Moon, which is the springboard in the space adventure of mankind? Who proved that the moon has actually been visited, and when? Why couldn’t we be without the moon? Why weren’t humans sent to the Moon after 1972?

Have we really been to the Moon, or have we been deceived? Read More
Introducing Neptune, mysterious “blue planet” of the Solar System

Introducing Neptune, mysterious “blue planet” of the Solar System

Neptune is an icy planet that is blue in color and is the fourth largest planet in the Solar System. When looking at Neptune in smaller details, an observer will see a great deal of the planet’s blueness. smooth and even. However, when viewed in more detail, the streaks on the planet’s surface caused by storms in Neptune’s atmosphere are more pronounced.

Introducing Neptune, mysterious “blue planet” of the Solar System Read More
Is it possible to time travel to the past and the future?

Is it possible to time travel to the past and the future?

Actually, it is useful to divide this question into two: Is it possible to travel to the future? Is it possible to travel to the past? We know the answer to the first question. Yes, it is possible to travel to the future! This is a result of Einstein’s famous theory of relativity. Moreover, this is not a theoretical claim, and this is a part of our lives…

Is it possible to time travel to the past and the future? Read More
Fitting the entire universe in a single picture frame

Fitting the entire universe in a single picture frame

First, let’s imagine a vast space with huge, gigantic galaxies. Next, let’s imagine a quantum kingdom dominated by very, very small particles. The laws to which each is subject are different; a microstructure dominated by the laws of relativity in the first and strange laws in the other. We also have our classical reality defined by Newton’s laws.

Fitting the entire universe in a single picture frame Read More
NASA seems pretty sure where to find Martian life

NASA seems pretty sure where to find Martian life

NASA scientists are now pretty sure of where to find Martian life. The Mars rover Perseverance was launched from Florida on July 30, 2020. The vehicle, the size of a large family car, landed in Jezero Crater on February 18. Researchers estimate that 3.5 billion years ago the crater contained a deep lake in conditions that could have supported extraterrestrial life.

NASA seems pretty sure where to find Martian life Read More
Why did Galileo feel the need to write his famous letter?

Why did Galileo feel the need to write his famous letter?

In 1615, Galileo wrote a letter to Grand Duchess Christina, mother of his patron Cosimo de Medici, containing his work and defense of the Copernican System, and the letter was published in 1636. However, before this date, it was widely read and shared in intellectual circles.

Why did Galileo feel the need to write his famous letter? Read More