The Sun’s surface area is 11,990 times that of the Earth’s. The Sun contains 99.86% of the mass in the Solar System. The mass of the Sun is approximately 330,000 times greater than that of Earth. It is almost three quarters Hydrogen, whilst most of the remaining mass is Helium.
Beside this, what can be found in our solar system?
But out there are comets, asteroids and more rocky, frozen objects (including dwarf planets) yet to be discovered in the Kuiper Belt and Oort Cloud. The solar system is made up of the sun and everything that orbits around it, including planets, moons, asteroids, comets and meteoroids.
What is the most interesting planet in our solar system?
Planets in Our Solar System
Mercury. The sun-scorched innermost planet is an intriguing world of extremes.
Venus. Venus is the second planet from the sun and our closest planetary neighbor.
Earth. Earth is the third planet from the sun and the fifth largest in the solar system.
What is inside of our solar system?
Our solar system is made up of a star that we call the Sun , along with eight or nine planets (more on that later): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and the most controversial: Pluto. The solar system also includes the satellites of these planets, numerous comets, asteroids, and meteoroids.
What are five interesting facts about the sun?
Facts about the Sun
The Sun accounts for 99.86% of the mass in the solar system.
Over one million Earth’s could fit inside the Sun.
One day the Sun will consume the Earth.
The energy created by the Sun’s core is nuclear fusion.
The Sun is almost a perfect sphere.
The Sun is travelling at 220 km per second.
What are some interesting facts about Venus?
One day on Venus is longer than one year. Due to the slow rotation on its axis, it takes 243 Earth-days to complete one rotation. The orbit of the planet takes 225 Earth-days – making a year on Venus shorter on day on Venus. Venus is named after the Roman goddess of love and beauty.
How the Sun was made?
Many scientists think the sun and the rest of the solar system formed from a giant, rotating cloudof gas and dust known as the solar nebula. As the nebula collapsed because of its gravity, it spun faster and flattened into a disk. Most of the material was pulled toward the center to form the sun.
How long is the sun going to live?
As you know, our Sun has a limited lifespan. Over the next 5 billion years, it will burn the last of its hydrogen, bloat up as a red giant and consume Mercury and Venus. This would be totally disastrous for local flora and fauna, but all life on the surface of the Earth will already be long gone.
What is the sun made out of?
The Sun is a huge, glowing sphere of hot gas. Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur.
What is a fun fact about the moon?
The Moon (or Luna) is the Earth’s only natural satellite and was formed 4.6 billion years ago around some 30–50 million years after the formation of the solar system. The Moon is in synchronous rotation with Earth meaning the same side is always facing the Earth.
Is the sun is the biggest star?
Answer: The largest known star (in terms of mass and brightness) is called the Pistol Star. It is believed to be 100 times as massive as our Sun, and 10,000,000 times as bright! In 1990, a star named the Pistol Star was known to lie at the center of the Pistol Nebula in the Milky Way Galaxy.
How old is out sun?
The Sun is abut 4.5 billion years old now. It is about 300 degrees hotter and abput 6% greater in radius than when it was first born. It will continue to increase,in temperature, luminosity and radius at about the same rate for about another 5 billion years.
Why is the sun is so hot?
The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun’s surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees Celsius).
Why is the sun so stable?
A star forms when it is hot enough for nuclear reactions to start. During its ‘main sequence’ period of its life cycle, a star is stable because the forces in it are balanced. The outward pressure from the expanding hot gases is balanced by the force of the star’s gravity. Our Sun is at this stable phase in its life.
What is the life cycle of the sun?
As such, when our Sun runs out of hydrogen fuel, it will expand to become a red giant, puff off its outer layers, and then settle down as a compact white dwarf star, then slowly cooling down for trillions of years.
How did the sun get its name?
The sun has had multiple names over the centuries, including the French word “soleil,” the Latin term “sol” from the ancient Romans and “helios” from the ancient Greeks. However, after Germany coined the term “sonne,” the word translated into English became “sonne” and later just “sun,” according to NASA.
How many moons are in the sun?
The sun does not have its own moons. A moon is a natural satellite that orbits a planet. The sun is a star and has many satellites including planets, planetoids, asteroids, and comets. Of the planets in the solar system Earth has one moon; Mars has two, Jupiter 62, Saturn 33, Uranus 27 and Neptune 13.
Who discovered the sun and how?
What is the Earth’s life?
In the research, published today (Sept. 18) in the journal Astrobiology,they applied the model to Earth and eight other planets currently in the habitable zone, including Mars. They calculated that Earth’s habitable-zone lifetime is as long as 7.79 billion years. (Earth is estimated to be about 4.5 billion years old.)
How close can we get to the sun?
You can get surprisingly close. The sun is about 93 million miles away from Earth, and if we think of that distance as a football field, a person starting at one end zone could get about 95 yards before burning up. That said, an astronaut so close to the sun is way, way out of position.
How many suns are there?
For many years scientists have studied our own solar system. But until the last few years, we knew of no other solar systems. This may seem surprising, as the Sun is one of about 200 billion stars (or perhaps more) just in the Milky Way galaxy alone.
Why the sun is important to us?
Nothing is more important to us on Earth than the Sun. Without the Sun’s heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.
What is unique about mercury?
Mercury is the closest planet to the Sun and is also the smallest of the eight planets in our solar system. For every 2 orbits of the Sun, which takes around 88 Earth days, Mercury completes three rotations of its axis. It is gravitationally locked and this rotation is unique to the solar system.