Temperature: Earth’s average temperature is 60° F (15.5° C). Escape velocity: To escape Earth’s gravity, you have to travel 25,000 miles (40,200 km) per hour.

The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

Even so, Earth’s changing distance from the sun does affect our planet’s temperature but only by a little bit.

Earth's orbital precession is known to have affected the timing of the ice ages, for example. The distance effect -- and its 22,000-year variation -- also may affect other weather systems on Earth.

Despite its proximity to its star, Ross 128 b only absorbs about 1.38 times as much radiation as our planet, giving the Earth-sized world a hospitable equilibrium temperature in the range of -60 ...

However, the distance separating Gliese 12 and the new planet is just 7 per cent of the distance between Earth and the Sun. Gliese 12 b therefore receives 1.6 times more energy from its star as ...