Alex Johnson

52 Flips | 5 Magazines | 23 Followers | @AlexJohnson1e2e | Keep up with Alex Johnson on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Alex Johnson”

Galileo Galilei Facts, Quotes, Telescope, Thermometer, Astronomy, Invention, Moons

Galileo Galilei was born in Pisa, Italy, on the 15th of February 1564, he died on the 8th of January 1642.<p>Galileo was a ground breaking astronomer, …

Nicolaus Copernicus Facts, Quotes, Heliocentric Model, Astronomy Theory

Copernicus was born on the 19th of February, 1473 and died on the 24th of May, 1543.<p>He was born in Thorn, Royal Prussia, part of the Kingdom of …

All About Stars

The following questions were answered by astronomer Dr. Cathy Imhoff of the Space Telescope Science Institute.<p><b>How does a star form?</b><p>There are several …

What are stars made of? Astronomy, physics

The sun from space<p>The earliest stars probably formed only a few hundred thousand years after the Big Bang that started the universe – maybe about …

Heliocentrism

<b>Heliocentrism</b> is the idea that the Earth and other planets revolve around the Sun, which is the center of the solar system.[1] Many people proposed …

Geocentrism

<b>Geocentrism</b> is the belief that the Earth is fixed at the centre of the Universe. Geocentrists accept that the earth is round. Before the 16th century …

Nuclear fusion

<b>Nuclear fusion</b> is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. This process is called a nuclear reaction. …

Life Cycle of a Star | National Schools' Observatory

Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them …

BBC - GCSE Bitesize: Cosmic background radiation

Cosmic background radiation<p>Scientists discovered that there are microwaves<b>microwaves</b>: <i>Electromagnetic radiation with a frequency between that of visible light and radio waves.</i> coming from every direction in space: this is called the cosmic microwave background radiation, or CMBR for short.<p>The CMBR …

Space for Kids - Our Universe - The Universe

The Universe contains billions of galaxies, each containing millions or billions of stars. The space between the stars and galaxies is largely empty. …

Space for Kids - Our Universe - The birth of galaxies

Artist's impression of the birth of our Galaxy<p>The birth of galaxies<p>We cannot see anything that happened during the first 300 000 years of the …

Space for Kids - Our Universe - The Big Bang

The Big Bang<p>Most astronomers believe the Universe began in a Big Bang about 14 billion years ago. At that time, the entire Universe was inside a …

What is Big History? | Big History Project

What Is "Big History"?

Big History studies the history of everything, offering a way of making sense of our world and our role within it.<p>It starts with the Big Bang, 13.8 billion years ago. All the best scientific evidence today suggests our universe appeared as an incredibly dense, fantastically hot pinpoint of energy …

Big History

The history of our world in 18 minutes

Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 …

The True Science of Parallel Universes

Geocentric to Heliocentric Video

Entropy: Embrace the Chaos! Crash Course Chemistry #20

Astronomy for Kids: Stars

There are many different types of stars. Stars that are in their main sequence (normal stars) are categorized by their color. The smallest stars are …

Astronomy

Space for Kids - Our Universe - Star birth

Nearby galaxy NGC 1569 is a 'hotbed' of star birth activity<p>Star birth<p>Like people, stars are born, they grow old and they die. Their birth places are …

Cosmology

The Origin of Life

The year is 2017 . You and your friends live in a variety of places, some in apartments, others in homes, trailers, cabins, condos and many other …

Controller Evolution v.2

Saturn - Evolution

Evolution of the Bicycle

NOVA - Official Website | The Star In You

The Star In You<p>By Peter Tyson<br>• Posted 12.02.10<br>• NOVA scienceNOW<p>"Our planet, our society, and we ourselves are built of star stuff."—Carl Sagan, …

Shipping

Solar Flares

Solar flares

Solar flare formation

The Most Astounding Fact