It is called a side vent.
The Newtonian reflector has a convex primary mirror and a flat secondary mirror with the eyepiece located on the top side of the telescope tube.
spongy solids are those solids which are porous...................simple and straight forward...
The solar system appears flat when viewed from the side because the planets orbit the sun in roughly the same plane called the ecliptic. This alignment creates the appearance of a flat disk when observed from a different perspective.
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The flat side so the solid that lays flat without moving.
Circles, squares, rectangles, and triangles are solids that have a flat surface.
Spheres
2
rectangle
Cube, rectangular prism
A cylinder
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A cube has six flat surfaces, but so do other solids. Look up 'hexahedron' in wikipedia.
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Answer:No, A Sphere Is Completely Round it Has No Flat Side what So Ever.
A cone.