Guide to Space

Famous Astronomers

[/caption] Throughout the centuries, many astronomers have made incredible discoveries and contributions to science. I cannot do justice to all…

15 years ago

Baryon

[/caption] Particles made up of three quarks are called baryons; the two best known baryons are the proton (made up…

15 years ago

Sirius B

[/caption] Sirius B is the name of the fainter, smaller, less massive star in the Sirius binary system (the brighter,…

15 years ago

When Was Saturn Discovered

[/caption] Saturn was one of the five planets visible to the naked eye that have been known to exist for…

15 years ago

Nereid

[/caption] Nereid is the name given to the third largest of Neptune's moons, and the second to have been discovered…

15 years ago

Parallel Universe

[/caption] To some extent, 'parallel universe' is self-referential … there are parallel meanings of the very term! The two most…

15 years ago

Parabolic Mirror

[/caption] Sometimes, in astronomy, the name of a thing describes it well; a parabolic mirror is, indeed, a mirror which…

15 years ago

How Far is Jupiter from the Sun?

The distance from the Sun to Jupiter is approximately 779 million km, or 484 million miles. The exact number is…

15 years ago

How Far is Neptune’s from the Sun?

Neptune's distance from the Sun is 4.5 billion km; more specifically, it's 4,503,443,661 km. If you're still using the Imperial…

15 years ago

Pluto’s Distance from the Sun

Pluto's distance from the Sun is 5.9 billion km - the exact number is 5,906,376,272 km. Need that figure in…

15 years ago