The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The earth rotates more slowly on its axis in March than in September.
145
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
It would take more than 150 years to drive a car to the sun.
569