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Read this: http://spaceplace.NASA.gov/en/kids/phonedrmarc/2002_november.shtml

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15y ago

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How do you convert a planets distance from the sun to earth units?

To convert a planet's distance from the sun to Earth units, you can use the astronomical unit (AU) as a standard unit of measurement. 1 AU is approximately the average distance from the Earth to the Sun, which is about 93 million miles or 150 million kilometers. You can calculate the distance from the sun to a planet by expressing it in AU based on this conversion.


Why would it be wrong to use the same scale to show both the relative size of planets and their distance from the sun?

Using the same scale for both planet size and distance from the sun would result in planets being spaced too far apart from each other compared to their actual distances. This would lead to an incorrect representation of the relative distances between planets in our solar system. It is better to use separate scales for size and distance to accurately depict the vastness of space.


How to calculate the mass of the sun?

To calculate the mass of the sun, scientists use the gravitational pull it exerts on other objects, like planets. By observing the orbits of planets around the sun and applying Newton's law of universal gravitation, they can determine the sun's mass. This method is based on the relationship between the mass of an object and the gravitational force it generates.


Measuring the distance to a planet would probably require the use of what type of measurement?

We can use miles or kilometers to measure both the planets size and their distance from each other and the sun. Their distances from the sun can be hundreds of million km or even billions of km for the outer planets, so it can be useful to use astronomical units instead, where 1 AU (astronomical unit ) is equal to the earth - sun distance.


What path does the planets use to get to the sun?

The planets never come anywhere near the sun. At least not during the period of several thousand human lifetimes.


How do astronomers use parallax to describe how we measure the distance to other stars?

Astronomers use parallax to measure the distance to other stars by observing how a star appears to shift its position against the background of more distant stars as the Earth orbits the Sun. By measuring this apparent shift, astronomers can calculate the distance to the star based on the angle of the shift and the known distance between the Earth and the Sun.


Does London use kilometers to calculate distance?

no


What is the radial acceleration of the planet mercury?

I guess you mean the centripetal acceleration in its orbit around the Sun. That's not something that will usually be found in references such as the Wikipedia, but you can calculate it in several ways. 1) Use the law of gravitation to calculate the force between an object of mass 1 kg. at Mercury's distance from the Sun, and the Sun. Any other mass will do as well, but after calculating the force, you need to calculate the acceleration, so the mass of Mercury (or another object at the same distance) cancels in the calculation. 2) Look up Mercury's orbital data. Assuming a circular orbit, calculate the centripetal acceleration as v2/r.


How do you calculate a planet's mass when given orbital speed and distance from sun?

You can use the formula M = (V^2 * R) / G, where M is the planet's mass, V is the orbital speed, R is the distance from the sun, and G is the gravitational constant. By plugging in the values of V and R, you can calculate the planet's mass.


What forces does the sun use to keep the planets in orbit?

solar power


Does the distance from the sun affect how long a year is on that planet?

a year is determined on how long the planet takes to orbit the sun. When calculating the year of a planet we use earth days. __________________ Yes, distance counts. The farther a planet is from the sun, the longer it takes that planet to complete one full orbit.


Why aren't you able to see the planets around the sun?

The planets around the sun are not visible to the naked eye because they are much smaller and dimmer than the sun, making them difficult to see against the sun's bright light. Additionally, the glare from the sun can make it challenging to distinguish the planets in the sky. Astronomers use telescopes and other tools to observe and study the planets in our solar system.