The parallax method can be used to calculate the distance between planets and other celestial bodies. The formula for this is d(pc) = 1/p where p is parallax measured in arcseconds.
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1 The formula for calculating distance between two points is: d = √[(x₂ - x₁)² + (y₂ - y₁)²] Where: d is the distance between the two points. x₁ and x₂ are the x-coordinates of the two points. y₁ and y₂ are the y-coordinates of the two points. The formula is based on the Pythagorean theorem, which states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides. In this case, the distance between the two points is the hypotenuse of the right triangle formed by the two points and the x- and y-axes. For example, if the x-coordinates of the two points are 1 and 3, and the y-coordinates of the two points are 2 and 4, then the distance between the two points is: d = √[(3 - 1)² + (4 - 2)²] = √(4 + 4) = √8 = 2√2 The distance between the two points is 2√2 units. The formula for calculating distance can be used to find the distance between any two points, regardless of their coordinates. It can be used to find the distance between two cities, two countries, or two planets. It can also be used to find the distance between two objects in a physical model, such as a scale model of a city. The distance formula is a simple but powerful tool that can be used to measure distances in a variety of contexts.
Depending on where Mercury is relative to the Earth as the two planets orbit the sun, the distance from Mercury to Earth varies from 77.3x106km to 221.9x106km.
He never discovered any planets but he discovered that the earth wasnt the center of the universe
He knew about 6 planets. See the related link for further information.
he is using math by calculating the average speed ,acceleration,and finding out the area or circumference of planets, and use of calculus: by having enough info you can calculate the way back from moon to earth ,it's hard but still! if you are not good at math you might not get the job as astronomer .