Alien Solar System
Task: Create five circles in the top viewport. Dimensions - Circle1: 50, Circle2 : 100, Circle3 : 180, Circle4 : 280, Circle5 : 500
Explanation: The first thing we need to do is create the major orbits, with an imaginary sun (for now) in the centre. This solar system is fairly small, with only five planets, and no asteroid belt (phew!). We're going to be using the Top viewport, so you may as well make it full screen so its easier to see what you're doing. Right mouse click on the top viewport, and press W. This is a keyboard shortcut I use quite a bit, so it's a handy one to remember.
You'll notice the grid in the viewport, use this for reference. In the centre of the viewport, create a circle shape (If you remember, the circle tool is under CREATE, SHAPE tool area). Using the left mouse button and dragging outwards from the centre, make the first orbit 50 units wide. Create another circle from the same centre point in the viewport, and make this one 100 units. Create another, this one 180 units. By this time, you may be thinking we're running out of room to create two more, bigger circles. That's okay, press the ZOOM EXTENTS ALL button on the bottom right of the screen.
This will bring everything back into perspective. Create two more circles (using the ZOOM EXTENTS ALL button again if you have to), one 280 units, and the last should be 500 units (we'll need a bit of room for this one).
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