When sitting on your couch or sleeping on your bed, how fast you think you are moving in the universe? Your speed varies depending on where on Earth you are but to give you an idea suppose you are on equator.
1) The Earth moves with a velocity of 0.5 km/s or 1800 km/h around itself.
2) The Earth also moves 30 km/s or 108,000 km/h around the Sun.
3) The Solar System is moving 230 km/s, 828,000 km/h, around the center of its galaxy.
Now the 0.5 km/s movement of the Earth around itself seems negligible. Let's ignore it now. For half of the year, the movement of the solar system and earth around the sun are in the same direction 230+30 = 260 km/s and for another half if moves in the opposite direction 230-30 = 200 km/s, or 720,000 km/h.
4) Finally, our own galaxy with a local velocity of 40 km/s and a larger cluster velocity of 600 km/s.
Adding it all up, for half of the year we are moving:
260 km/s + 40 km/s + 600 km/s = 900 km/s = 3,240,000 km/h.
and for another half we are moving:
200 km/s + 40 km/s + 600 km/s = 840 km/s = 3,024,000 km/h .
So, the next time you are sitting relaxing over a cup of tea and coffee, know that the whole universe is running around crazily more than 3 million kilometers per hour for you to be here. What are you waiting for you?
ابر و باد و مه خورشيد و فلك در كارند
تا تو نانى به كف آرى و به غفلت نخورى
Reference:
http://curious.astro.cornell.edu/question.php?number=507
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