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# The Solar SystemModeling the relative sizes of the planets.

Nov 25, 2014 · This activity is also a good way to review the names of the planets, the inner and outer planets’ locations, but not their relative distances from one another. This is sometimes known as the "Earth as a Peppercorn" Activity. The Earth is eight thousand miles wide! The peppercorn is eight hundredths of an inch wide. Our friends at the Museum of Aviation in Robbins, Georgia, asked how astronomers know the distances between the planets. The planets look like pinpoints of light to our unaided eyes, and we can't simply look up at the sky and tell how far they are from Earth or from each other, or even see that.

Jan 29, 2016 · If we bounce radar off a planet, and measure the time it takes the signal to go there and back, we can use this information to calculate the distance of the planet. Distant Solar System Objects. There are other modern methods to calculate the distances to objects on the fringes of our Solar System, like Kuiper Belt or Scattered Disc Objects. In this activity, students determine the relative distances of the planets from the Sun, and show these in a drawing. The students are asked to make the numbers proportional to real Solar System distances, so that they can make their drawings accurate. The model works best if the distances.

It just approximates the distances to the planets. This "law" gives the distance form the Sun to the planets when the numbers 0, 3, 6, 12, 24, etc., doubling the previous number are each added to 4, and the result is divided by 10. The results of this sequence are shown in the table on the next page. DETERMINING THE RELATIVE DISTANCE TO AN OUTER PLANET: MARS: When Copernicus put Earth into motion around the Sun, he made us all astronomical surveyors and gave us a long baseline from which to triangulate the relative distances of the planets. The relative distances to the planets is fixed immediately by Copernican model, and this is what makes heliocentrism ten thousand times better than geocentrism, even without any known physical cause for. Order of the Planets by the Distance From the Sun Mercury. Mercury, named after a Roman god, is 36 million miles away from.Venus. Venus, named after the Roman goddess of love and beauty,.Earth. The planet Earth is 93 million miles away from the sun, and with a diameter of 7,926 miles. The chart below shows the distance from each planet and the asteroid belt to the Sun rounded to the nearest tenth of an Astronomical Unit. Mercury Venus Earth Mars Asteroids Jupiter Saturn Uranus Neptune Pluto 0.4 0.7 1.0 ! 1.6 ! 2.8 5.2 ! 10.0 ! 19.6 ! 30.1 ! 39.6 Can you find a pattern between the distance from one planet to the Sun.

## Plotting the Relative Distances of Planets from the Sun.

Orbital Speed of Planets in Order. The orbital speeds of the planets vary depending on their distance from the sun. This is because of the gravitational force being exerted on the planets by the sun. Additionally, according to Kepler’s laws of planetary motion, the flight path of every planet. The Exploratorium Web site provides a conversion tool that will let you determine the distances between, and sizes of, planets for any given scale in both English and metric units. For example, if you want to use a model in which the Sun is one inch in diameter, the distances to planets and planet sizes relative to a one-inch Sun are calculated.

Relative Sizes Earth, solar system, Milky Way galaxy, local super cluster, universe Relative Distances It the sun shrank to 1mm grain of sand then earth would be 11cm away, Pluto would be 4 meters and the nearest star would be ajax If the entire solar system shrank to 1mm one side of the milky way. This unit provides an easy way to calculate the distances of the other planets from the sun and build a scale model with the correct relative distances. Astronomical Unit 1AU = Approximately 150 million kilometers 93 million miles 149,597,870,700 kilometers or 92,955,807,238 miles to be exact!. Scholars gain an insight into the relative size of planets and distance between inner and outer planets with the help of informational text, a data table, and a series.