What if we could make a spaceship that is capable of leaving the solar system at the speed of light? How much time would it take to enter interstellar space? Our Solar system is big, and vast, despite it being really small compared to our galaxy, not to mention the complete universe. To put this …
Category Archives: Solar System
Top 10 Common Misconceptions about Earth
People believe many things which are actually not true. Here are the top ten misconceptions about Earth.
The Size Of Earth Compared to Other Planets and Stars (and the Universe)
Have you ever wondered how big is the Earth compared to other planets? Or other stars? Or even the Universe itself? When it comes to big numbers, very big numbers, the human brain is weak. In fact, our brains cannot deal with really large numbers. That’s why when the subject is Earth, planets, Solar System, …
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How Eratosthenes calculated the Earth’s circumference more than 2k years ago?
In 240 BC, the Greek astronomer, geographer, mathematician, music theorist, and librarian Eratosthenes of Cyrene (c. 276 BC – c. 195/194 BC) calculated the circumference of the Earth without even leaving Egypt. Here’s how:
How Earth Moves (Video)
A beautiful video, once again, from Michael Stevens, titled “How Earth Moves”. Michael explains many concepts, including “sub-solar point”, “sidereal day vs solar day”, or “how Earth moves in the space” etc, and he is doing it in a very simplified manner. Enjoy!
This is how Mars would look if it still had water
What if Mars still had liquid water on its surface and a thick atmosphere filled with clouds, like Earth? How would it look like? Software engineer Kevin Gill of JPL (NASA’s Jet Propulsion Laboratory) wondered this and prepared an image using data from NASA’s Mars Reconnaissance Orbiter (MRO, see notes 1) and Mars Orbiter Laser …
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SpaceX unveils the Interplanetary Transport System to colonize Mars
Elon Musk, the founder, CEO, and Lead Designer of the private space travel company SpaceX announced that “they are planning to get humans to Mars in six years”. In order to achieve this goal, Musk revealed the Interplanetary Transport System, which aims to reach Mars with a human crew for the first time in history.
The scale of the Solar System and the first flybys of planets
Previously I posted two articles titled “If The Moon Were Only 1 Pixel – A Tediously Accurate Map Of The Solar System“, and “A Scale Model of Solar System Drawn in the Desert and the Result is Stunning“. In these posts, science enthusiasts have shown the scale of the solar system realistically. Since the human brain …
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Where did Earth’s water come from? [Most recent theories]
Earth is a blue marble in space and the water gives our planet its blue color. About 71 percent of the Earth’s surface is covered with water. There is roughly 326 million cubic miles (1.332 billion cubic kilometers) of water on the Earth’s surface. Almost 97% of that water is salty (ocean water). But where …
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A Scale Model of the Solar System Drawn in the Desert [the Result is Stunning]
On a dry lake bed in Nevada, the United States, a group of friends built a scale model of the solar system with complete planetary orbits. They first put a Sun with a diameter of 1.5 meters (5 feet) in the center, and then draw the planets’ orbits accordingly.
