Planets Solar facts

While investigating facts about Planets Solar System and Planets Solar System Song, I found out little known, but curios details like:

Scientists believe there is a 9th planet in our solar system that is roughly 10 times larger than earth. They haven't been able to locate it yet but they know it's there because of its gravitational effects on other objects.

how many planets in our solar system?

The alignment of planets in our solar system that allowed us to launch Voyager spacecraft out of our solar system at the speed it went only happens once every 176 years

What are the 13 planets in our solar system?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what are the names of the planets in our solar system. Here are 50 of the best facts about Planets Solar System Order and Planets Solar System Video I managed to collect.

what are the planets in our solar system?

Olympus Mons on Mars, the tallest known mountain in the solar system, is so large at its base that an observer on its peak wouldn’t know he was standing on a mountain because its slope would be obscured by the curvature of the planet itself.
Pluto couldn't even complete a solar orbit between being discovered and being declassified as a planet.
Scientists believe there is a 9th planet in our solar system that is roughly 10 times larger than earth but haven't been able to locate it yet they know it's there because of its gravitational effects on other objects.
An exoplanet known as J1407; a planet with a ring system so huge, it is 200x larger than Saturn's. If it took the place of Saturn in our solar system, it's rings would be brighter and more prominent than the moon in the Earth's sky.
Olympus Mons on Mars, the tallest known mountain in the solar system, is so large at its base that an observer on its peak wouldn’t know he was standing on a mountain because its slope would be obscured by the curvature of the planet itself.
We're the only planet to experience total solar eclipses. And it's entirely coincidental, because the sun just happens to be 400 times larger than the moon while also being 400 times farther away. Making them appear the same size in the sky.
There is a dwarf planet in our solar system that is 8 billion miles away and takes 10,000 years to complete one orbit around the Sun.
Triton, the largest moon of Neptune, is the only moon in our solar system with a retrograde orbit - an orbit in the opposite direction its planet, and is thus thought to be a dwarf planet that Neptune caught from the Kuiper belt.
NASA wants to establish a floating cloud city to study Venus. The innovative concept involves helium-filled, solar-powered airships, which could contribute to humans permanently occupying the atmosphere of the hottest planet in our solar system.
Humans hadn't detected any planets outside of our solar system until 1991, just 26 years ago. Before then, we had no evidence that planets existed around any other star in the universe.

planets solar facts — What are the dwarf planets in our solar system?

Planets Solar data charts

For your convenience take a look at Planets Solar figures with stats and charts presented as graphic.

planets solar fact data chart about Number of known solar planets over time — Number of known solar planets over time

planets solar fact data chart about Distribution of human population across planets in the solar — Distribution of human population across planets in the solar system

Why are there 8 planets in the solar system?

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Although Mercury is closest to the sun, it is not the hottest planet in our solar system. Venus is hotter due its atmosphere trapping the heat.

The television show “Star Trek” aired 22 years before the first evidence of an exoplanet, in 1988, (planet outside our solar system) and 26 years before the first confirmed observation of exoplanet. - source

Mercury is the closest planet to Earth and to every other planet in the solar system most of the time. - source

You Could Fit All the Planets in the Solar System Between the Earth and the Moon.

NASA is creating an "interstellar internet", called Disruption Tolerant Networking (DTN). It can transmit information through solar storms, solar flares, and even past planets without losing any original data. It successfully sent images to a spacecraft located 20 million miles from earth. - source

When were the planets in our solar system last aligned?

You Could Fit All the Planets in our Solar System Side-by-Side Between the Earth and the Moon

How many dwarf planets are in our solar system?

There is a hypothetical undiscovered planet in our solar system, 10x bigger than Earth

Eris, discovered in 2005, is more massive than Pluto and would have qualified as the tenth 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

The ashes of Clyde Tombaugh, the man who discovered the planet Pluto, were sent to outer space on the New Horizons spacecraft making his the first human remains to leave our solar system.

Neso (moon of Neptune) is the farthest moon from its planet in the Solar System. It takes 26 Earth years to orbit Neptune planet once and it is as far away from the planet as the Earth is to Venus.

Saturn is the only planet in the solar system whose rotation time remains unknown

Planets solar infographics

Beautiful visual representation of Planets Solar numbers and stats to get perspecive of the whole story.

planets solar fact infographic about Objects in the Solar System Being Considered a Planets in Di — Objects in the Solar System Being Considered a Planets in Different Years

planets solar fact infographic about Simulating sunshine on outer planets during the total solar — Simulating sunshine on outer planets during the total solar eclipse of August 21, 2017

When will all the planets in the solar system aligned?

Peoria IL has a 40 mile long scale model of the solar system. The Sun is 46 feet wide, and the closest planet Mercury is 2 inches tall and 1/3 mile away.

There is a minor planet in our solar system named Chariklo with two rings, about 3km and 7km wide.

You could fit every planet in the solar system between the Earth and the Moon and still have room to spare.

The Sagan Planet Walk - a 1.2km, 1:5bn scale representation of the solar system in Ithaca, NY - was expanded in 1997 to include Alpha Centauri (the closest neighboring star). It is located at the Imiloa Astronomy Center at the University of Hawaii, making it the world's largest exhibition.

The Earth is the densest planet in our solar system. It is also denser than every dwarf planet, every moon, every major asteroid, and the Sun.

How many planets in our solar system have moons?

All those sites where you can 'name a star' are ripoffs. The IAU dissociates itself entirely from the commercial practice of "selling" fictitious star names or "real estate" on other planets or moons in the Solar System."

The planet Jupiter is so massive that it doesn't actually orbit the sun, rather they both orbit a point in space located 1.07 solar radii from the middle of the sun known as a barycenter.

Only five planets in our solar system can be seen with the naked eye. Mercury is one of them.

Once Eris was discovered astronomers realized that Pluto was really a KBO and not a true planet and it lost its status as the 9th planet in the Solar System.

Oxygen in the air from 60 miles (96.5 km) up to 150 miles (241 km) above the planet's surface reacts with the plasma in the solar wind and turns the sky green.

Olympus Mons is a mountain located on the planet Mars and it is believed to be the tallest mountain in our entire solar system.

The biggest storm in our Solar System's history occurred on Saturn and raged over six months to encircle the entire planet

When Pluto was discovered in 1930 it was classified as a planet, making it the ninth planet in the solar system. However when the formal definition of a planet was established, Pluto was reclassified as a dwarf planet.

An ancient planet in our solar system had its outer crust blasted away by asteroid impacts. All that remained was a solid metal core which still orbits the sun today. Scientists now propose sending a probe to this "metal world" to learn more about how our own planet formed.

It takes more fuel to reach the sun from Mercury (the planet closest to the sun) than from Earth (2.5 times as far away). In fact, early solar mission proposals suggested first flying to Jupiter and then back towards the sun to save fuel

Even though Mercury is the closest planet to the Sun, Venus is the hottest of all planets in the solar system because of its thick atmosphere. The atmosphere's thick, toxic environment enables it to trap the heat.

Neptune has 14 known moons including Nereid, Proteus, Triton, Thalassa, Despina and Galatea. Neso is so far from Neptune it takes it 26 years to orbit the planet only once.

Oxygen more than 150 miles (241 km) above the planet's surface reacts with the plasma in the solar wind and turns the sky red.

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