Astronomy
What is Jupiter Made Of?
Of all the Jovian related questions that we get here at Universe Today, what is Jupiter made of is one…
How Did Jupiter Get its Name?
Jupiter has been known since very ancient times, so how did Jupiter get its name? While it had many names…
The Difference Between Reflectors and Refractors
When you choose a telescope, there are two main kinds you can pick from, reflectors and refractors. Both can be…
What are Telescopes?
Early theories of the Universe were limited by the lack of telescopes. Many of modern astronomy's findings would never have…
Caught in the Act: Astronomers See Supernova As it Explodes
The Swift satellite has made another fortuitous observation. This time, and for the first time ever, astronomers have caught a…
Spaceship Sighting Alert
The next few evenings will provide excellent opportunities for observing the International Space Station in the night skies above both…
Spare Telescope Parts Could be Used for Homeland Security
The life of NASA's Compton Gamma Ray Observatory (CGRO) ended in 2000 when the spacecraft's remains splashed down in the…
There’s A lot of Dust Out There in the Universe
The whole point of putting telescopes in orbit is to avoid distortions caused by our murky atmosphere. But now astronomers…
Fly Over the Columbia Hills at APOD
If you haven't yet discovered Astronomy Picture of the Day, its an absolutely wonderful site that provides a different image…
Venus’ Orbit Around the Sun
The orbit of Venus is the most circular in the entire Solar System. In mathematical terms, the eccentricity of Venus…