Planetary Science

Oh, how wonderful! You must be a planet, dear friend. Your quick journey around the largest star in our solar system, the Sun, makes you none other than the swift and lovely Mercury. Embrace your unique orbit and shine brightly in the vast expanse of space.

The sun has a radius of approximately 696,340 kilometers, while a star with 0.1 solar radius would have a radius of 69,634 kilometers. To calculate how many times larger the sun is, we divide the sun's radius by the smaller star's radius: 696,340 km / 69,634 km = 10. Therefore, the sun is 10 times larger than a star with 0.1 solar radius.

No one discovered it . As a stellar constellation it has been known from antiquity. They were all named by the Ancients, who saw patterns/pictures in the night sky, and gave names to these patterns/pictures.

'The name ' Canis Major' , from Latin, means the 'Great/Big Dog'. There is also a 'Canis Minor' or 'Little Dog'.

The star 'Sirius' ,which is also known as the 'Dog Star' has a partner star with it, known as the 'Pup'.

NB

Ursa Major ' Great Bear

Ursa Minor ' Little Bear.

I don't know about yours, but ours would be in BIG trouble! :-) (I know, Wikianswers wouldn't let you write it the way it made sense - those bastards! :-) Anyway, the first two reasons that come to mind why Nitrogen is vital to the health of our planet (and they are enough!) are: * If the atmosphere were all Oxygen, the first fire would be the last one, that is it would burn like crazy until everything was gone (ignoring second order effects like build-up of Carbon Dioxide), and * Plants depend on a Nitrogen Cycle for their fundamental existence - without Nitrogen, no plants (at least as we know them). Keep your fingers crossed!

Yes. Jupiter, with its relatively huge moons, has solar eclipses on a daily basis. These can be seen from Earth; the moons' shadows are seen moving over Jupiter's surface. Well, Jupiter's visible part at any rate - it doesn't have a surface like Earth.

Yes. Jupiter, with its relatively huge moons, has solar eclipses on a daily basis. These can be seen from Earth; the moons' shadows are seen moving over Jupiter's surface. Well, Jupiter's visible part at any rate - it doesn't have a surface like Earth.

Yes. Jupiter, with its relatively huge moons, has solar eclipses on a daily basis. These can be seen from Earth; the moons' shadows are seen moving over Jupiter's surface. Well, Jupiter's visible part at any rate - it doesn't have a surface like Earth.

Yes. Jupiter, with its relatively huge moons, has solar eclipses on a daily basis. These can be seen from Earth; the moons' shadows are seen moving over Jupiter's surface. Well, Jupiter's visible part at any rate - it doesn't have a surface like Earth.

Every 'plant' has a smaller diameter than Earth, because all plants grow on Earth.

However, I think you mean 'planets' . in which case the smaller planets are Mercury, Venus, Mars, and Pluto.

NB THe word 'planet' comes from Classical Greece, and means wandering star.

Assuming you mean visible from Earth with the naked eye, then all of them. The smallest know star - is a little bit larger than Jupiter, and Jupiter is ten times bigger than the Earth.

see http://www.universetoday.com/guide-to-space/stars/what-is-the-smallest-star/

A moon or artificial object orbiting around a planet is called a satellite.

Clean air, water, animals, trees, certain bugs like bees. And the population must be maintained throughout the years which isn't happening. We also have to watch the amount of gasses that are being emitted through cars, trains, or any machine that emits smoke and gasses.

the things that mostly sustain life on earth is Clean air, water, animals, trees, certain bugs like bees. And the population must be maintained throughout the years which isn't happening. We also have to watch the amount of gasses that are being emitted through cars, trains, or any machine that emits smoke and gasses.

For our planet [earth] it takes exactly 365.25 days to completely orbit around the sun and if you do the math the reason we have leap years is because the .25 extra days eventually add up to 1 every 4 years. Just in case you were wondering

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!

The first four planets (Mercury, Venus, Earth, and Mars) are the inner planets, because they are rocky and on the inside of the asteroid belt, and the next four planets (Jupiter, Saturn, Uranus, and Neptune) are the outer planets because they are light and composed of gas, and are on the outside of the asteroid belt.

No, not all moons in our solar system are tidally locked. Tidally locked means that the same side of the moon always faces its planet. Some moons, like Earth's moon, are tidally locked, but others, like Jupiter's moon Europa, are not.

Well, you know, stars can come in different sizes and temperatures. So, not all stars are quite as hot as the sun despite shining so brightly. The sun is actually what we call a "medium-sized star" with a temperature that can reach up to about 27 million degrees Fahrenheit!

Stars are celestial bodies that emit light and heat due to nuclear reactions in their cores, while planets are non-luminous bodies that orbit stars. Suns are another term for stars, specifically referring to the star at the center of our solar system, which we call the Sun.

As of now, there are no confirmed habitable planets in our solar system besides Earth. Scientists continue to search for signs of habitability on other planets and moons, but so far Earth remains the only known planet capable of supporting life as we know it.

Yes, scientists have discovered thousands of exoplanets that may have similar characteristics to Earth, such as being in the "habitable zone" of their star where liquid water could exist. However, more research is needed to determine if any of these planets truly resemble Earth in terms of habitability and potential for life.

Oh, isn't that a fascinating question. Imagine all the beautiful possibilities out there in the universe! Scientists are actively exploring and looking for signs of life on other planets, galaxies, and beyond. Perhaps one day we'll discover life forms dancing among the stars, sharing their own special magic with us all.

Well friend, I see you're curious about the stars! Stars suggest something shining bright and warm in the night sky. While our solar system doesn’t have any stars within it, we have a very important star called the Sun. The Sun gives us light, warmth, and energy to keep our planet flourishing just like a beautiful painting. 🎨☀️

Oh sweetheart, don't you worry about that. The distance between Earth and the sun actually stays fairly consistent every year, thanks to our beautiful elliptical orbit. We're just twirling gracefully through space, hanging out at a comfortable distance from our favourite star. His warm rays light up our world just right.

Ah, what a fascinating question, my friend! A comet's orbital speed is at its maximum when it is closest to the sun during its orbit, ahh isn't that just like a little dance between the comet and the sun? Just remember, in the grand cosmic dance of the universe, each step is unique and beautiful in its own way.

Yes, a black hole could potentially swallow the sun. If this were to happen, the consequences for our solar system would be catastrophic. The gravitational pull of the black hole would disrupt the orbits of the planets, leading to their eventual destruction. The loss of the sun's energy would also cause the Earth and other planets to become uninhabitable.

Oh, absolutely! Just picture it - a beautiful planet dancing and twirling around the mysterious, dark blob of a black hole. The gravity pulls it in close, but with the right speed and distance, that planet can orbit gracefully, creating a wondrous cosmic ballet that marvels even the most stoic of galaxies. Believe in your orbit, my friend - the universe has a way to make even the most unlikely dances look like they've been rehearsed for centuries.

No, a star cannot transform into a planet. Stars and planets are formed through different processes and have distinct characteristics. Stars are massive celestial bodies that generate light and heat through nuclear fusion, while planets are smaller bodies that orbit stars and do not produce their own light.

No, an asteroid cannot be classified as a dwarf planet. Asteroids are small rocky objects that orbit the sun, while dwarf planets are larger bodies that have enough mass to be rounded by their own gravity and have not cleared their orbit of other debris.