Astrum
Methuselah's Star and the Age of the Universe
How can scientists possibly know the age of the universe? Well, through a variety of factors, including redshift, the CMBR and more.
Astrum
What Does an Exploding Black Hole Look Like?
Quasars, or extremely active black holes are the brightest objects in the universe. But aren't black holes meant to be invisible? Based on the Illustris Project simulation, we also look at radio-mode and quasar-mode feedback, seemingly...
Astrum
How NASA Measures Stars
Scientists can't use tape measures, rulers or lasers to measure the astronomical distances to stars and galaxies, so how do we do it?
Astrum
How a Planet with Seven Suns Proves the Universe Prefers Order
Can planets exist in multi-star systems, and what would that look like from their perspective?
Astrum
Hubble's Report on What's Happening to the Galaxies: Hubble Images Episode 12
The Hubble Space Telescope, active for over 30 years, has revolutionized our understanding of the universe by capturing stunning images of galaxies at various stages of evolution, from vibrant starbursts to dying elliptical remnants....
Science ABC
What Is Pi (π)? Is It Infinite?
Pi (π) is a fascinating number with many applications in mathematics, physics, and engineering. Its infinite decimal representation is a reminder of its fundamental nature in the universe. Mathematician Johann Lambert proved that pi is...
Science ABC
What is Blackbody Radiation: Explained in Simple Terms
A black body is a theoretical or imaginary object that perfectly absorbs all incoming electromagnetic radiation, and also emits radiation, like heat and visible light, based on its temperature. A black body is considered theoretical...
Science ABC
What Are The Hottest And Coldest Things In The Universe?
Sun is obviously the hottest thing in our Solar System, but it is a mere candle when compared to several other stars and stellar phenomena, particularly supernova. A supernova is a transient event that marks the last evolutionary stage...
Science ABC
Time Dilation - Einstein's Theory Of Relativity Explained!
Time dilation and Einstein’s theory of relativity go hand in hand. Albert Einstein is the most popular physicist, as he formulated the theory of relativity, which gave the Energy mass equivalence formula and is directly related to time...
Science ABC
Particle accelerators: What are they, how do they work and why are they important to us?
A particle accelerator is a machine that accelerates particles. More specifically, it accelerates elementary particles, like protons and electrons, at extremely high speeds—almost 99.99% of the speed of light. These particles are then...
Science ABC
Neutron Stars Explained in Simple Words for Laymen
Neutron stars are formed from the core of some starrs. Neutron stars generally have a radius of only around 12 km. With masses exceeding 1.4 times that of the Sun, these are some of the densest objects in the Universe. A tablespoonful of...
Science ABC
Multiverse Theory Explained: Does the Multiverse Really Exist? Truth of Multiple Realities
Multiverse theory suggests that our universe, which consists of billions and billions of planets, stars and galaxies and extends out tens of billions of light-years, may not be the only universe that exists. There could be another...
Science ABC
Is Mathematics INVENTED or DISCOVERED?
The tale of mathematics is as old as humanity. It has evolved from simple math, like counting cattle, to an intricate study of an object through abstract concepts that we know today. It was not until 600 BC, when civilizations settled,...
Science ABC
How Far Have We Traveled in Space?
The Apollo 13 crew was the farthest distance that humans have traveled from Earth. On April 14, 1970, the crew was 400,171 kilometers (248,655 miles) from Earth. The Apollo 13 mission was the third manned mission intended to land on the...
Science ABC
Hawking Radiation Explained: What Exactly Was Stephen Hawking Famous For?
Hawking radiation was first discovered by English scientist Stephen Hawking in 1974. Prior to this discovery, our knowledge of black holes was very limited. It was believed that black holes were completely black and that they did not...
Science ABC
Entropy : Why is it Predicted to Cause the Heat Death of the Universe?
Heat death of the universe, also called The Big Chill or Big Freeze, will happen when the entropy of the universe will be so high that everything and everyone that lives in it will perish. This will happen because an organism living in...
Science ABC
Higgs Boson (The God Particle) and Higgs Field Explained in Simple Words
The Higgs boson is a wave, ripple or disturbance in an invisible, all-permeating field called the Higgs field. In the year 1964, Peter Higgs, François Englert and four other scientists proposed a rather unique idea to explain why certain...
Science ABC
Dark Matter Explained: What Exactly is Dark Matter? | A Beginner’s Guide to Dark Matter
Dark matter is an invisible matter that occupies more than half of the space of the observable universe but cannot be detected directly as it doesn’t interact with electromagnetic radiation, like visible light and gamma rays. One of the...
Science ABC
Cosmic Calendar: History of The Universe In Just 365 days!
The concept of the cosmic calendar was popularized by famous astronomer Carl Sagan to help people understand just how far apart on a time scale events in the Universe are. Basically, he arranged the 13.8 billion years of the Universe’s...
Science ABC
Can Light Escape a Black Hole?
Light is affected by black holes because of the theory of general relativity, which states that any massive object warps the spacetime around it. Since a photon travels by the shortest distance between two points, light appears to bend...
Science ABC
Boltzmann Brain Paradox Explained in Simple Words
A Boltzmann brain is not real, but what’s fascinating about it is that it thinks it’s real, and all the memories and experiences it has are real. But, of course, this brain is not real. But how would such a brain know that its...
Science ABC
Why Is Space Cold If There Are So Many Stars?
Space is filled with countless stars, all of which radiate enormous amounts of heat. These stars are tens of thousands of times bigger than our own sun. Still, space is considered to be cold. Why is that? If there are so many hot burning...
Great Big Story
Aelita Andre, the 12-year-old abstract painter breaking boundaries
Meet Aelita Andre, a young abstract painter from Melbourne who started painting at nine months old and has sold works globally, challenging critics and carving her own path in the art world.
Curated Video
Discovering the Universe of Good Values and Good Manners
In this video, Nova takes kids on an adventure to discover the universe of good values and good manners. Through exploring the concept of responsibility, Nova teaches children the importance of taking care of their duties and helping...