Guide to Space
How Many Stars Did It Take To Make Us?
You know the quote, we're made of stardust. Generation after generation of stars created the materials that make us up.…
What is the Average Surface Temperature on Venus?
Venus is often referred to as our "sister planet," due to the many geophysical similarities that exist between it Earth.…
How Do We Know How Old Everything Is?
We hear that rocks are a certain age, and stars are another age. And the Universe itself is 13.7 billion…
Why Is Venus So Horrible?
Venus really sucks. It's as hot as an oven with a dense, poisonous atmosphere. But how did it get that…
What is the Average Surface Temperature of the Planets in our Solar System?
It's is no secret that Earth is the only inhabited planet in our Solar System. All the planets besides Earth…
Why Is Space Black?
Since there are stars and galaxies in all directions, why is space black? Shouldn't there be a star in every…
What Causes Day and Night?
For most of here on planet Earth, sunrise, sunset, and the cycle of day and night (aka. the diurnal cycle)…
What Does Space Really Look Like?
When you see the beautiful pictures from the Hubble Space Telescope, you're looking at a lie. They're specially colored images,…
A Universe of 10 Dimensions
When someone mentions "different dimensions," we tend to think of things like parallel universes - alternate realities that exist parallel…
Solar System History: How Was the Earth Formed?
Just how did the Earth -- our home and the place where life as we know it evolved -- come…