matter – or stuff – always makes gravity wells and not gravity hills. Scientists can imagine things made of exotic matter or energy that would cause gravity to push you off into space, but so far, no one has found anything that could cause gravity to push you away from Earth. ...
In early November, three tiny Australian satellites from Curtin University's Binar Space Program burned up in Earth's atmosphere. That was always going to happen. In fact, Binar means "fireball" in the Noongar language of the First Nations people of Perth. When a sa...
Why must a geostationary satellite be above the equator? Why do we not see Earth rotating, when we are jumping, or we are in the air, like in a flight? Why do aircraft take off and land into the wind? Why do airplanes appear stationary at times? Why don...
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Keep reading to discover more about Earth Day, why it matters, and how you can contribute to a healthier planet through simple changes and local efforts. Related: 10 devastating signs of climate change from space You may like How satellite data has proven climate change is a climate crisis ...
Why and for what reason stars fall? Why might a beach-ball burst if left in the sun? Why satellite is thrown horizontally in space? Why don't we have a way to model gravity? Why is velocity important to man? Why must you bend forward while carrying a heavy load on your back?
Thus, if the earth attract an apple towards itself, the apple also attracts the earth towards itself with the same force. Why then does the apple fall toward the earth, but the earth does not move towards the apple ? View Solution
These phenophases involve substantial changes in miombo species' canopy phenology, including the co-occurrence of leaf fall and leaf flush, as well as access to deeper moisture stocks to support leaf flush in preparation for the rainy season. The satellite-based evapora...
(Explanation for the youngsters: The USSR’s 1957 launch of Sputnik, the first Earth satellite, wasn’t just a scientific achievement. Terrified Americans suddenly knew the Soviet Union was flying right over their heads. This marked the moment when the Cold War became real. Louis Gave isn’t...
So the only difference between a satellite falling back to Earth and staying in orbit is whether or not the satellite’s orbital path intersects the surface of the Earth. So, Douglas Adams was right; “Flying is simple. You just throw yourself at the ground and miss.” ...