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Interesting and Educational Stories

Here are four of my short-form articles, enjoy.

By Unravelling the UniversePublished 6 months ago 3 min read
Interesting and Educational Stories
Photo by Anthony Tori on Unsplash

British spelling.

I write stories about the amazing universe and life.

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1/4

Can light travel forever?

By Thomas Kinto on Unsplash

Light is extremely important, but we give it little thought.

Light is electromagnetic radiation that can be perceived by the human eye. Humans can only see part of the light spectrum in the range of 400 to 700 nanometres.

Advanced space telescopes can observe light that left its source more than 13 billion years ago, which is almost as old as the universe itself.

It seems that light has no limits regarding how far it can travel. But if it lands on certain objects, it can be absorbed. It can also bounce off objects; we can see the result of that when we look at the moon.

Moonlight is just reflected sunlight.

Natural sources of light come from the sun, stars, fires, and lightning. Light can also come from living species.

A few examples are fireflies, glowworms, and some jellyfish.

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2/4

What are rogue planets?

By NASA on Unsplash

Not all planets are in orbit around stars.

As you know, our magical world, the Earth, and seven other planets orbit the sun.

But all planets don't orbit stars; there are billions of rogue planets in our galaxy drifting aimlessly through interstellar space.

For those lonely space travellers, it will always be dark and very cold, unless they pass close to another star on their epic journeys. But the chances of encountering another star are minuscule.

We know that planets can form in a disc of material circling a young star, and they can also form in the same way as stars, in massive clouds of gas and dust.

Many rogue planets will have formed in a star system similar to our solar system. However, some can be ejected from their orbit for various reasons.

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3/4

What is a moon?

By David Dibert on Unsplash

A moon is a naturally formed satellite that orbits a planet, a dwarf planet or a large asteroid.

Before the invention of telescopes in the early 1600s, we only knew about our moon.

Disregarding the earth’s moon, the first moons to be discovered were in orbit around the largest planet, Jupiter.

The largest moon in the solar system is Ganymede, which orbits Jupiter. It is larger than the smallest planet Mercury and the dwarf planet Pluto.

As of January 2024, the estimated number of moons orbiting planets in the solar system is 281. The two closest planets to the sun, Mercury and Venus, have no moons.

As I said, asteroids can also have a moon; some are known to have two moons.

At this time, more than 150 asteroids are known to have moons.

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4/4

The Earth's atmosphere.

By Florencia Viadana on Unsplash

The closest planet to the sun is Mercury, which has very little gas above its surface, so it could be said that it has no atmosphere.

The definition of an atmosphere is a layer of gas or a mixture of gases that surrounds a planet or a moon.

A large celestial body retains its atmosphere through self-gravity, but the warmer the gases are, the easier they can escape into outer space.

Atmospheres have been detected on four of the solar system's moons. Saturn's moon, Titan, however, is the only moon with a substantial atmosphere.

The Earth's atmosphere is mostly made up of nitrogen and oxygen and, at any one time, can hold an estimated 12,900 cubic kilometres of water in the form of vapour.

I think that's quite amazing.

The end.

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You may find my easy-to-understand stories about the universe and life interesting and educational.

If you subscribe to me for free, you will see my latest stories. Regards.

ClimateScienceNatureHumanity

About the Creator

Unravelling the Universe

We can only imagine what our early ancestors thought as they gazed up at the night sky—were they curious about what the heavens had to hide? 

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Comments (1)

  • Mike Singleton 🌜 Mikeydred 🌛6 months ago

    I love your stories. They are bite size and educational and so well written, and almost everything you write is worthy of Top Story status

Unravelling the UniverseWritten by Unravelling the Universe

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