Amazing Facts About Solar System

The moon is 1/400th the size of the sun but also 1/400th the distance from Earth which results in the moon and the sun being the same size in the sky, a coincidence not shared by any other known planet-moon combination.

The sun loses about 6 million tons of mass every second due to nuclear fusion and the solar wind. Despite losing that much material, it has only lost about 0.05% of its original mass over the past 4.5 billion years.

Pluto is legally a planet in Illinois.

Pluto is one of the five dwarf planets in our solar system, and the name of one dwarf planet is "Makemake."

Earth is the only known planet where fire can burn. No other planet has enough oxygen.

Moon is in synchronous rotation with Earth, meaning the same side is always facing the Earth.

Jupiter's Giant Red Spot is expected to disappear within the next 10 to 20 years despite lasting for an estimated 400 years so far.

Mercury and Venus are the only two planets in our solar system that do not have any moons.

Mercury, the closest planet to the sun, has a nighttime temperature of -280°F as it has no atmosphere to retain the 800°F day temperature.

Not all moons are spherical. For example, Saturn has a moon named Pan that is shaped like a ravioli.

If Earth stopped spinning suddenly, the atmosphere would still be in motion with the Earth's original 1100 mile per hour rotation speed at the equator. All of the land masses would be scoured clean of anything not attached to bedrock.

Eris discovered in 2005, is more massive than Pluto and would have qualified as the 10th planet in the solar system until its discovery prompted the International Astronomical Union to formally define 'planet' with a size cutoff that also excluded Pluto.

Even though the sun won't die for another 5 billion years, humans only have about 1 billion years left on Earth as by then the sun will become hot enough to boil and evaporate our oceans.

As of 2018, there are 516,386 numbered minor planets in our solar system, and 5 million more are expected to be found in the next 10 years.

Uranus’ axis is tilted on its side. Its poles experience 42 years of light and 42 years of darkness.

4 Vesta is a minor planet located in the asteroid belt. It accounts for 9% of the total mass in the asteroid belt and has the tallest mountain in the solar system. Its Rheasilvia impact crater is 19 km (11.8 miles) deep with a central peak 23km (14.3 miles) above the surface of the crater.

Uranus and Neptune are not "Gas Giants" as is commonly believed, but belong to a separate category of giant planets called "Ice Giants." This is because less than 20% of their mass is made up of hydrogen and helium. True gas giants like Jupiter and Saturn are over 90% hydrogen and helium.

Saturn has small orbiting bodies called moonlets which NASA has informally begun to name after kittens.

Phobos orbits Mars fast enough that solar eclipses last about 30 seconds, and there can be two eclipses in a single day.

Planets "emit sounds" by pulsing with radio waves, which can be picked up by radio antennae. The Earth's noise is sometimes referred to as Earth's "chorus" because it sounds a bit like birds chirping.

Venus is the second brightest object in the night sky, right after the moon. It is bright enough to be seen in the day, and cast a shadow at night.

Sedna is a dwarf planet with a highly elliptical orbit around sun. It is about three times as far as Neptune from the sun. Scientists hypothesize that it was placed in its orbit by a passing star, as there is no other explanation for its unusual orbit around the sun.

Uranus has a magnetic field that "flickers" because the magnetic field is so off-kilter with its rotational axis that magnetic lines will snap apart and reconnect as it rotates. According to one astronomer, "Uranus is a geometric mess."

Earth's magnetic poles flip on average every 200,000 - 300,000 years. It flipped 780,000 years ago.

Earth has enough iron to make 3 new planets, each with the same mass as Mars.

The moon is moving away from earth at about the same rate as a human’s fingernails grow.

Jupiter's moon Io, the most volcanically active world in the Solar System, has volcanic eruptions so powerful that they can be seen with large telescopes on Earth.

Pluto's largest moon Charon was named after astronomer James W. Christy's wife, Charlene. It was later discovered that Charon was an existing figure in Greek mythology (the ferryman of Hades, later known as Pluto), and thus the name was kept.

It takes 248 years for Pluto to orbit the Sun, meaning it hasn't even gotten halfway around the sun since it was discovered in 1930.

Moon has its own time zone called Lunar Time Zone and President Richard Nixon was one of the few to have a moon watch.

Pluto is technically a binary system. Its moon, Charon, is massive enough in relation to Pluto that the point around which they orbit is somewhere in between the two.

There is a non-spherical, egg-shaped dwarf planet orbiting the Sun in our Solar System named Haumea. It is approximately 1/3 the size of Pluto.

Centaurs are small celestial bodies or minor planets that orbit the Sun between Jupiter and Neptune that have unstable orbits and act like asteroids or comets.

There is an asteroid ((514107) 2015 BZ509) orbiting Jupiter in retrograde i.e., the "wrong" direction. Some believe the asteroid is not native to our solar system.

An asteroid impact may have caused Enceladus, Saturn's moon, to wobble and eventually stabilize at a tilt that is 55 degrees "off" from its original orientation.

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