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How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.
Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...
In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...
Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...
Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.
A stronomers have discovered over 100 new alien worlds so far this year — some many light-years away from Earth — that ...
Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This ...
At the aphelion, the distance from the Earth’s center to the Sun’s center is going to be 152,087,738 kilometers (94,502,939 ...
Our planet whirls around the sun in an ellipse, rather than a circle. ... Mars, with an eccentricity of 0.094, ranges from 129 to 155 million miles away from the sun.