Guide to Space
Falcon Heavy Vs. Saturn V
A comparison between the rocket that delivered the Apollo astronauts to the Moon, and the one that promises to deliver…
How Big is the Great Red Spot?
Jupiter’s iconic Great Red Spot is a huge cyclonic storm big enough to swallow the Earth. But it’s been getting…
How Fast Does Venus Rotate?
Venus' orbit has some strange properties, which includes taking 243.025 days to rotate once, and the fact that it rotates…
What Does the Universe Do When We’re Not Looking?
Some of the greatest discoveries in astronomy have been made by watching how the skies change over time. Today we…
Messier 19 (M19) – The NGC 6273 Globular Cluster
Located in the constellation of Ophiuchus, some 28,700,000 light years from Earth, lies the faint globular cluster known as Messier…
Jupiter Compared to Earth
A look at the Solar Systems largest planet (Jupiter) and how it stacks up in terms of size, mass, satellites,…
The Constellation Boötes
In the northern skies, flanked by the Big Dipper, lies the Bootes constellation, one of the traditional constellations listed by…
What is Galileo’s Telescope?
Galileo's telescope, an instrument he made himself and used to revolutionize astronomy, still manages to inspire us today
Where is Earth in the Milky Way?
The Milky Way Galaxy is a very, very big place. And figuring out where Earth resides inside of it has…
How Fast Can Stars Spin?
Stars can spin faster or slower than the Sun. What’s the fastest that’s ever been discovered, and what’s the fastest…