Astrum
What Does a Ring Around the Sun Mean?
Everything about sundogs, lunar halos, ice halos, parhelia, and circumzenithal arcs.
Astrum
Why is the Closest Planet Also the Most Difficult to Visit?
Why Mercury has only had one dedicated mission.
Astrum
What's Preventing Us From Colonising the Solar System?
Evolution is slow. What if we get the power to take matters into our own hands?
Astrum
Would Life Develop Differently on Another Planet?
Finding out the appearance of aliens from what we already know about convergent evolution.
Curated Video
Total Solar Eclipse 2017
Watch as Dr. Boyd shows footage documenting his experience witnessing the 2017 Total Solar Eclipse.
0:00 – Introduction
0:39 – Brief Solar Eclipse explanation
0:59 – Solar Eclipse viewing plans
1:52 – Footage: Morning before the...
Veritasium
Do People Understand The Scale Of The Universe?
Explore the vastness of the universe, from the smallest moons to the billions of galaxies that make up the cosmos. This engaging journey highlights the immense scale, scientific curiosities, and fascinating facts about planets, stars,...
Astrum
The Crater on Mercury That Defied Conventional Models: MESSENGER Images part 2
When something is as incredibly difficult to get to as Mercury, it is extremely tricky to study. Which is one of the reasons why in all of human history, there have only ever been 2 missions to Mercury, with just one more on the way....
Astrum
Why Scientists Want Blurry Photos With This Telescope
It seems counterintuitive, but ESA's newest space telescope, CHEOPS, is designed to take blurry images of stars. But this helps astronomers to understand more about orbiting exoplanets than a clear image would. Here's why!
Astrum
Why It's Nearly Impossible to Hit the Sun
Why shouldn't we throw garbage into the sun? Find out in this return of our series 'Astrum Answers'.
Astrum
Why All The Planets Are On The Same Orbital Plane
Is it a coincidence? Or is something else at play here?
Astrum
Predictions for the 2020 Great Conjunction of Jupiter and Saturn
Everything you could want to know about the December 2020 Great Conjunction of Saturn and Jupiter. Astrum merch now available!
Astrum
The Universe's Largest Planets
What makes a planet a planet? And what makes a star a star? Once we know this these defining characteristics, we start to notice that these definitions can overlap. Which begs the question, can a planet be bigger than its parent star?
Astrum
Planets That Can Dwarf Stars
What makes a planet a planet? And what makes a star a star? Once we know this these defining characteristics, we start to notice that these definitions can overlap. Which begs the question, can a planet be bigger than its parent star?
Astrum
How to Find Rogue Planets
Gravitational microlensing events are revealing the mysteries of rogue planets, but what are they, and how does it work? And what role does the Nancy Grace Roman Space Telescope play in helping us spot more rogue planets in the future?
Astrum
Mercury Transit November 2019
Mercury will be transiting the Sun on the 11th November 2019. What time will it be? How can I see it for myself? And why doesn't a transit happen much more regularly?
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
Earth's New "Moon" 101
While tiny, Earth now has a second moon, or natural satellite, named 2020 CD3. So, will we have to rewrite the text books?
Astrum
Surprising Discoveries On 4 Vesta
NASA's Dawn spacecraft was the first spacecraft to orbit two extraterrestial bodies, Vesta and Ceres. But what did it do and discover while it was there?
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 Asteroids And Where Do They Come From?
Asteroids are small, rocky objects that orbit the sun, just like the rest of the planets and celestial bodies in our solar system. Although asteroids are present throughout the solar system, most of them live in the asteroid belt—a...
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
How Long Would You Survive On Each Planet?
Without a spacesuit, there is no chance of surviving in the scary cosmic void. In science fiction movies, we often see peoples heads exploding or being frozen by the apparent pressure differential or lack of heat, respectively. As long...
Science ABC
Why Venus and Uranus Rotate Differently Than Other Planets?
The rotation of the planet around its axis can be generally of two types: prograde and retrograde. Prograde rotation indicates that the motion is in the same direction as the Suns rotationwhich is counter-clockwiseif youre looking down...
Science ABC
Why Venus and Mercury have no Moons?
Mercury and Venus have no moons because of their close proximity to the Sun. Any moon orbiting around them is likely be swallowed by the mammoth gravitational pull of the mighty Sun. All planets except for Mercury and Venus have moons....