What and how: fruits/vegetables and diverting an asteroid


What is the difference between a fruit and a vegetable? You call it a fruit when the part that you eat stemmed from the flower of the plant, then grew around some seeds. This way cucumber, peas, apples, pears and tomatoes are fruits. But what about vegetables? If you eat the root, the leaves or the stem, then that is a vegetable. Example of vegetables: cabbage, carrots, onions.

Now you know. Go annoy your friends who call tomatoes vegetables :))

Also, how do you divert an asteroid from it’s path when it is about to hit the Earth? Well, PBS Time Space explains how can you use gravity to simply move the asteroid away from our certain doom. You need to use a big enough rocket and send it to the asteroid. All you need to do is to make sure that you put the rocket close enough to the asteroid so that it has a small gravitational effect on it.

Then all you need to do is to simply move the rocket inch by inch away from asteroid’s path and the asteroid will follow. But how is this possible? Well, when two object come close together, then the gravity takes over and both objects will have a common gravitational point. Even a small rocket can influence a big asteroid due to the force of gravity. After enough time you push the asteroid just a couple of inch away from its path and avert a tragedy.

Also, the video from below has the calculations already done.

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