Department of Astronomy Center for Radiophysics & Space Research

Fact of the Day Archives

#1 - Saturn's Rings

Saturn's rings are arguably the flattest structure known to man, being some 300,000 km end-to-end but with a vertical thickness of about 10 meters.

M. Tiscareno

#2 - Density of Saturn

Saturn is the only planet in the solar system that would float on water.

#3 - Traveling Time

Traveling at the speed of light it would still take you over 4 years to reach the Sun’s nearest neighbour star.

#4 - Fuel for Thought

The Sun burns 600 million tons of Hydrogen every second.

#5 - Cosmic Popcorn Anyone?

The Cosmic Microwave Background that we detect today started traveling towards us over 13 billion years ago.

#6 - Billions and Billions.....

The Sun is just one of over 100 billion stars in our galaxy, the Milky Way, and the Milky Way is just one of over 100 billion galaxies in the universe.

#7 - Polaris' Retirement

Vega will become our new north star in 12000 years.

#8 - Cosmic Combat

Antares (think anti-Ares) is known as the rival of Mars because Mars passes by this bright red star, "challenging" the planet as it nears.

#9 - Another Horoscope

The constellation Ophiuchus passes through the ecliptic, making it the "13th sign" of the zodiac.

#10 - Not Your Everyday Black Hole

There is a black hole millions of times the mass of the Sun at the center of the Milky Way galaxy.

#11 - Hot Enough to Fry an Egg

Venus, not Mercury, has the hottest surface temperature for a planet due to the Greenhouse Effect.

#12 - Don't Get Dizzy

Some pulsars rotate several hundred times per second.

#13 - The Biggest Loser

You would only weigh about 1/6th of your current weight if you stood on the Moon.

#14 - Drifting Away

Earth is the only planet that has plate tectonics!