Planetary Science

Anything that has mass has gravity. The force is proportional to the mass and inversely proportional to the distance. In other words, the bigger the planet/object, the greater the gravity, and the larger the distance between two objects the less the gravity if felt.

10 things people need to do to live1. All living things need air to live.2. All living things need clean water to drink. 3. All need food to eat to live. 4. All living things need shelter to live. 5. All living things need animals to live. 6. All living things need homes to live. 7. All things need the sun to live. 8. All things need earth to live. 9. All things need warm weather to live. 10. All living things need colder weather to live.

Earth's magnetic field does not only affect other planets. It plays a crucial role in protecting Earth from harmful solar radiation, creating the auroras, and guiding migratory animals. Additionally, it has practical applications in navigation and technology on Earth.

Yes, NASA's website (www.nasa.gov) and the European Space Agency's website (www.esa.int) both provide detailed information about planets in our solar system and beyond. Additionally, websites like Space.com and National Geographic's Space section offer articles and visuals related to planets and space exploration.

The planet commonly referred to as the "lazy planet" is Venus. This nickname is due to Venus's exceptionally slow rotation on its axis, which takes longer than its orbit around the sun, causing one day on Venus to be longer than one year.

No.

Gravity is a function of mass, and the sun's mass is about 27,000,000 times the mass of the moon.

Most of Jupiter is hydrogen and helium, but the top of its clouds are composed of ammonia crystals, with trace amounts of water ice and droplets, and possibly ammonium hydrosulfide. It's these clouds that give Jupiter is various colors.

Darker compounds are brought up from deeper inside Jupiter, and then they change color when exposed to sunlight. Scientists think these substances are phosphorus, sulfur and hydrocarbons.

Galileo Galilei is credited with the observation that the planets orbit the sun rather than the sun orbiting the Earth. However, Aristarchus of Samos proposed the concept first in the 3rd century BC.

eat: photosynthesis

breathe: Not as we do, with lungs. which is an active process, but they do breathe by a passive process. Both plants and animals carry on a process called respiration which occurs on a cellular level and involves an exchange of oxygen and carbon dioxide. Plants mostly do this in their leaves, which in some ways are similar to our skin (which, incidentally, is the largest organ in our bodies).

The process by which all respiration takes place is called diffusion - plants 'breathe' through their leaves - the really cool thing is that they 'exhale' - ready? oxygen...which is why we want trees - because they breathe by 'inhaling' carbon dioxide and 'exhaling' oxygen for us to use in our bodies to do our own respiration.BTW - Animals breathe differently than plants. We do it in two places, in our lungs - as most people are aware - and also in our body tissues. Our lungs take in oxygen (that came from the plants respiration) and we put it in our blood, and at the same time release the carbon dioxide from the blood and put it into the atmosphere so the plants can use it. In addition, we also have a second type of breathing that occurs in all our bodies called tissue respiration. In our tissues, we take the oxygen from the blood and put it in the tissues, and at the same time take the carbon dioxide from the tissues and put it in the blood to be taken to the lungs.

A planetary nebula forms after a main sequence star casts off its outer layers. The ejected gas and dust create a beautiful glowing shell of ionized gas that surrounds the remaining hot core of the star, known as a white dwarf.

Yes, its all to do with Kepler's third law of planetary motion, which describes the relationship between the orbital period of the plant and the distance of that planet from the sun.

Kepler found that the square of the period, P, is proportional to the cube of the semi-major axis, a (P2 = ka3). The planets orbit the sun in an ellispse, the semi major axis is the `longest radius` within this ellipse.

Kepler found that a constant `k` was needed in the equation - this was later found to relate to the mass of the objects. The planets mass is usually a lot less than the star its orbiting, so can often be dropped from the equation.

The term "centrifical" is a word without a definition; some would say a non-existent word. It might have the same definition as "ncauvjnscc" or "oioushc" or any other made up babble you chose to imagine. However, the term has been used enough in common parlance as to associate its meaning with either "centripetal" or "centrifugal".

The centripetal force is the force applied to a linearly travelling (straight line) object to make it travel in a curve or to make it rotate about some center point. The force is applied to the object make it move toward that center point.

The centrifugal force is referred to as the opposite force to the centripetal force following Newtons Law of equal and opposite reaction. However, this force is a consequence of the inertia of the object (resistance to the circular motion) and acts on the source of the centripetal force, NOT the object experiencing curved motion.

The centrifugal force is equal, but opposite, the centripetal force.

For instance, a weight on a string attached to an object swung about your head experiences a force applied inward (centripetal force) due to your hand (the center point) applying the force. The string also experiences this force all along its length. Your hand experiences a force applied outward (centrifugal force) due to the weights inertia (resistance to change direction at all points in time as it moves in a circle). The string also experiences this force all along the string. The opposing forces on the string keeps the string in tension. Additionally, your feet share a friction force against the surface you stand on equal to the centripetal force to keep you stationary.

So the question remains: which force did you really mean, centripetal or centrifugal?

The gravity on Mars is 0.379 that of Earth.

Mars, with a diameter 0.53226 times that of the Earth.

the asteroid belt, the kuiper belt, and the oort cloud.

They are called planetesimals. These small bodies collided and merged to form larger bodies like planets and moons during the early stages of the solar system's formation.

The four outermost planets (Jupiter, Saturn, Uranus, Neptune) are mostly made of hydrogen and helium gas, with smaller amounts of other elements like water, ammonia, and methane. These planets are known as gas giants because of their composition and lack of a solid surface.

In theory, it is possible.

If the planet has the correct atmosphere and resources to sustain life.

No planets so far have been discovered with grass other than Earth.

However, recent explorations have revealed that a distant planet, called "Kepler 22b" seems to be perfect for sustaining life and seems to look very similar to Earth.

See the related links below for more information.

Our solar system has 8 regular planets and a number of dwarf planets.

The Happy Planet Index measures well-being and sustainability, providing a more holistic view of human development. It considers factors like environmental impact and life satisfaction, promoting a more balanced and sustainable approach to progress. This index can help governments and policymakers prioritize policies that not only improve quality of life but also protect the environment for future generations.

Venus actually has a harsher climate than Mercury even though it is further from the sun, and it is surrounded by clouds of CO2 and sulphur. Mercury also probably has ice while venus probably does not. Therefore venus is probably the least hospitable.

Edco rings typically have a value based on the metal they are made of (e.g. gold, silver, platinum) and any gemstones they may contain. The value can also be influenced by the brand of the ring and its condition. It's best to have them appraised by a jeweler to determine their specific value.

Mars.

It is unlikely that anyone could live on planet HD 181433 b as it is a gas giant with extreme temperatures and no solid surface. Additionally, it is located over 200 light-years away from Earth, making it incredibly difficult to reach and sustain human life.

From smallest to largest, the structures in space are: planets, stars, star clusters, galaxies, galaxy clusters, and superclusters. Within each of these categories, there is a wide range of sizes and variations.