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What you see is not smoke- they are contrails- short for condensation trails. The air is extremely cold at that altitude, the exhaust is hot, and contains a great deal of water vapor. When it comes in contact with the cold air, it condenses, and becomes visible, like fog or clouds. Ever see the "steam" roll out of the bathroom after a hot shower? Same idea.
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How do planes stay in the sky?
because the airfoil shape makes tiny air molecules at the bottom slow down and the top speed up. The engine just pushes the plane.
How many planes do you have in a square?
Well, honey, in a square, you've got four sides, so you'll need four planes to match each side. Unless you want to get fancy and start stacking them on top of each other, then the sky's the limit!
What are examples of horizontal lines in the real world?
Examples of horizontal lines in the real world include the horizon where the sky meets the land or sea, the straight line of a calm lake's surface, the boundary between the wall and floor in a room, and the straight line of a ruler placed flat on a table. Horizontal lines are parallel to the horizon and perpendicular to vertical lines.
The meaning of vertical lines in an artwork as suggest by art professional and critics?
Vertical lines communicate a feeling of loftiness and spirituality. Erect lines seem to extend upwards beyond human reach, toward the sky. They often dominate public architecture, from cathedrals to corporate headquarters. Extended perpendicular lines suggest an overpowering grandeur, beyond ordinary human measure.-eNysH2gm_eNysH2rc
Does a star have more than 1 line of symmetry explain?
5 pointed star? 6 pointed star(star of David)? A star in the sky? You need to provide more information. A 5 pointed star can have 5 lines of symmetry.
