Guide to Space
The Orbit of the Moon
The Orbit of the Moon is strange, which gives rise to changes in its appearance. It is also slowly changing,…
When Was the First Light in the Universe?
When was the first time that the Universe cooled down enough that light could finally move around?
The Cancer Constellation
Located in the Zodiac, the asterism known as Cancer is a medium-sized and relatively faint constellation, and one of 88…
What is the World’s Deepest Ocean?
Determining which ocean is the deepest is tricky, but on average, the Pacific Ocean is deeper than the rest, thanks…
How Many Galaxies Are There in the Universe?
Did you hear that the Universe has 10x the number of galaxies? How did astronomers discover this, and what does…
Why Does it Rain?
Rain is part of Earth's all-important hydrological cycle, where water evaporates from the Earth's surface, condenses, and falls from the…
Messier 25 – The IC 4725 Open Cluster
Welcome back to Messier Monday! In our ongoing tribute to the great Tammy Plotner, we take a look at the…
What is the Mars Curse?
If you’re going to send a spacecraft to Mars, you’ve got to know that place has an insatiable hunger for…
What is a Waxing Moon?
Between a New Moon and a Full Moon, the Moon goes through its "waxing" phases, where its surface increases in…
Can We Get Space Madness?
If science fiction has taught us anything, it’s that nothing makes a person go crazier than the harsh isolation of…