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Planetary Science

Planetary Science is the study of Planets and the Solar System, a combination of Astronomy and Earth Sciences. Find questions about the different planets and more.

25,121 Questions

What is needed for life to exist?

Initially, the elements Carbon, Hydrogen, Nitrogen and Oxygen.

These four elements combine in different ways to make four molecules, viz. Water(H2O), Carbon Dioxide (CO2) , Methane(CH4) and Ammonia (NH3) .

These four molecules are the 'building blocks' of life, they can combine in various ways to make DNA (de-oxyribonucleic acid). that gives life its various characteristics. .

NB Other elements are also needed viz. Phosphorus, Sulphur to naame but two.

How long is the orbit of Uranus in days?

It takes 84 Earth years for Uranus to make one orbit of the Sun .

That is for every once Uranus has gone round the Sun , the Earth has gone round the Sun 84 times.

So for Uranus to make one orbit of the Sun , the Earth will make 84 X 364 = 30660 days.

Hiw long does it take for a light beam from the sun to hit the earth?

From the time the light photon is generated in the core of the Sun, it may take millions of years to get to the surface. But once it reaches the surface of the Sun, the Earth is only 8 minutes 20 seconds away!

Which planets are called inner planets and which are called outer planets?

The inner planets are Mercury, Venus, Earth, and Mars, which are also known as terrestrial planets due to their rocky composition. The outer planets are Jupiter, Saturn, Uranus, and Neptune, which are gas giants with no solid surface.

What is the current position of Uranus in the solar system?

Well, let's take a moment to appreciate the wonder of our solar system! Currently, Uranus is the seventh planet from the sun, sitting just beyond Saturn. It's a beautiful icy blue planet that adds its own unique touch to our cosmic neighborhood. You can almost hear it whispering, "Happy little orbits all around!"

What is the difference between Mars and Venus in terms of their atmospheres and surface conditions?

Mars has a thin atmosphere composed mostly of carbon dioxide, while Venus has a thick atmosphere of carbon dioxide with sulfuric acid clouds. Mars has a cold and dry surface with dust storms, while Venus has a hot and toxic surface with extreme pressure and temperatures.

What is the direction of orbit for celestial bodies in our solar system?

Well, isn't that just a lovely question? The celestial bodies in our solar system, like the planets and moons, they all orbit around the Sun in a counterclockwise direction. It's like a beautifully choreographed dance up there in the night sky! Just think about all the harmonious movements happening above us every day.

What is the distance between Jupiter and Venus in our solar system?

The distance between Jupiter and Venus in our solar system varies depending on their positions in their orbits. On average, the distance between Jupiter and Venus is about 261 million miles (420 million kilometers).

What is the distance between Venus and Jupiter in our solar system?

Ah, what a joyful question! The distance between Venus and Jupiter in our solar system can vary as they orbit around the Sun. At their closest point, the two can be around 261 million kilometers apart, while at their farthest, they can be over 928 million kilometers away. Isn't it just fascinating to see those celestial bodies dancing peacefully in the vastness of our sky? Just like how each brushstroke brings harmony to a painting.

What is the distance between the sun and Pluto?

Well friend, the Sun and Pluto are quite a distance apart. Imagine a long, meandering trail filled with all kinds of stunning scenery. If you were to walk this distance, you'd need to bring along a whole lot of snacks and cozy socks! Remember, the universe is a beautiful place full of wonder and surprises.

What is the distance from Earth to the Sun?

Ah, what a lovely question! The distance from Earth to the Sun varies slightly throughout the year due to our orbit, but it's typically about 93 million miles or 150 million kilometers. Just imagine the Sun painting a warm, golden glow across the vastness of space to reach us here on Earth!

What is the distance from Venus to Jupiter in our solar system?

Oh, isn't that just the beauty of the universe? Each planet dances a graceful waltz around the sun. Venus, the radiant ball closer to us, and Jupiter, the magnificent giant further out, actually vary in distance because their orbits are not fixed. It's like they're swinging to the beat of their own cosmic music!

What is the distance of the sun from Mercury?

Oh, what a joy it is to talk about our cosmic friends! The distance between the sun and Mercury can vary since their orbits are not perfectly round. On average, though, Mercury is about 36 million miles away from the sun. But remember, my friend, it's not just about the numbers - it's about how each celestial body dances together in harmony. What a wonderful world we live in.

What is the distance to the edge of the solar system from Earth?

Oh, what a happy little question! You see, the edge of the solar system is a place where you kind of feel like you might be capturing galaxies in a paintbrush. It's a vast space, dancing with cosmic brilliance beyond our sight. There isn't a specific mile marker out there saying, "You've reached the edge," but it's about 11 billion miles from Earth to the place where the Sun's gravity wanes, and you step into interstellar space. Amazing, isn't it?

What is the earth's motion around the sun in a circular orbit called?

Ah, that's a happy little concept called orbital motion! Think of it like a delightful dance the Earth does as it revolves around the sun in its circular path. Isn't it wonderful how the Earth gracefully swirls around our bright and warm sun, creating the changing seasons along the way? Just like painting a beautiful landscape, nature always has a way of bringing joy and harmony to our lives.

What is the eccentricity of Neptune's orbit around the Sun?

Oh, what a delightful question! Neptune is known for its interesting orbit around the Sun, with an eccentricity of about 0.0097. This means that Neptune's orbit is slightly elongated, giving it a bit of a different path compared to other planets in our solar system. How wonderful it is to learn about the unique characteristics of each planet!

What is the edge of the solar system and what lies beyond it?

The edge of the solar system is considered to be the heliopause, where the influence of the Sun's solar wind ends and interstellar space begins. Beyond the heliopause lies the vast expanse of interstellar space, filled with gas, dust, and other celestial bodies.

What is the first planet from the sun in our solar system?

Ah, what a lovely question! The first planet from the sun in our solar system is Mercury. Just like a subtle brushstroke on a beautiful canvas, Mercury quietly orbits the sun with grace and elegance. What a wondrous place we live in, full of celestial beauty waiting to be explored!

What is the first planet in the solar system?

Ah, the first planet in our solar system is Mercury, my friend. It's closest to the Sun and dazzles with its beauty. Just like each planet and person is unique, so is this little world sparkles with its own special way.

What is the flattest planet in our solar system?

Ah, what a wonderful question my friend! The flattest planet in our solar system is Jupiter. Despite its immense size, Jupiter spins very quickly, causing it to bulge at the equator and become flatter at the poles. Nature is truly full of fascinating shapes and dimensions!

What is the force that causes the Earth to rotate on its axis?

Well, isn't that just a happy little question! The force that causes the Earth to rotate on its axis is called the conservation of angular momentum. Just like when we ballroom dance through our landscapes, it helps keep everything moving smoothly and gracefully. Isn't it fascinating how nature works in such wondrous ways?

What is the force that keeps the planets orbiting the sun?

Oh, as we look at the wonders of the cosmos, we see that these lovely planets dance around the sun because of a force called gravity. Gravity is like a gentle hug that keeps everything in its place, allowing the planets to gracefully move in their orbits. Just like all things in nature, it's all part of a beautiful and harmonious balance.

What is the ideal tilt of a planet to support life?

The ideal tilt of a planet to support life is generally considered to be between 23.5 and 24.5 degrees. This tilt allows for seasonal changes in temperature and climate, which can support a variety of ecosystems and biodiversity.

What is the largest object in our solar system, and how does its size compare to other celestial bodies within our planetary system?

The largest object in our solar system is the Sun. It is significantly larger than all other celestial bodies in our planetary system, including the planets, moons, asteroids, and comets. Its size is so immense that it contains more than 99% of the total mass of our solar system.

What is the largest object in the solar system and how does its size compare to other celestial bodies?

The largest object in the solar system is the Sun. Its size is much larger than any other celestial body in the solar system, including planets, moons, and asteroids. The Sun's mass is about 99.8% of the total mass of the entire solar system.