Guide to Space
How Hot is the Core of the Earth?
[/caption] Volcanoes occur when hot magma from inside the Earth reaches the surface and erupts as lava, ash and rock.…
Is the Earth Bigger Than the Sun?
[/caption] I got this strange question by email a few days ago, so I thought I'd tackle it: "Is the…
Who Discovered Uranus and When?
[/caption] Were you wondering who discovered Uranus and when? Uranus is the first planet that was actually discovered in modern…
How Many Earths Can Fit in Jupiter?
Jupiter is known as the "King of the Planets", and for good reason. For one, it is the largest planet…
Which of the Planets is Closest to the Sun?
[/caption] Were you wondering which of the planets is closest to the Sun? The answer is planet Mercury. At an…
How Many Earths Can Fit in the Sun?
[/caption] So, how many Earths can fit in the Sun? The answer is that it would take 1.3 million Earths…
What Galaxy is the Earth In?
[/caption] Were you wondering what galaxy is the Earth in? You'll probably recognize the answer: it's the Milky Way Galaxy.…
How Many Miles to the Center of the Earth?
[/caption] Were you wondering how many miles to the center of the Earth? The simple quick answer is 3,958.8 miles…
Surface of the Moon
[/caption]Despite the close proximity between the Earth and the Moon, there's a big difference between the surface of the Moon…
What is a Joule?
When we raise an apple up to a height of one meter, we perform approximately one joule of work. So…