• Callisto, Earth & Moon comparison
    Astronomy Lists

    10 Interesting Facts about Callisto

    Callisto is Jupiter’s second-biggest moon, and the third-biggest moon in the solar system, after another one of Jupiter’s moons, Ganymede, and then Titan, the largest moon of the planet Saturn. As with Jupiter’s main moons ...
  • Red giant star W Hydrae, optical image
    Astronomy Lists

    10 Interesting Facts about Red Giant Stars

    While red giant stars are among the biggest stars in the Universe, they were not born that way. Red giants are for the most part normal main-sequence stars that have exhausted their supply of hydrogen, ...
  • Shakespeare
    Astronomy Lists

    Astronomy Quotes In Shakespeare

    William Shakespeare (1564-1616) was England’s greatest author and amongst his voluminous works are numerous  references to astronomical, as well as astrological bodies, such as stars, planets, the moon or meteors. Here are a few of ...
  • Triton
    Astronomy Lists

    10 Interesting Facts about Triton

    Neptune’s biggest moon, Triton, has a diameter of 2,700 km, making it the 7th biggest moon in the solar system, as well as its 16th biggest object overall. Triton also contains more than 99.5% of ...
  • Planet Mars
    Astronomy Lists

    Top 10 Facts About The Missions to Mars

    When it comes to the exploration of the solar system, no planet has spurred the scientific community to greater efforts, whipped up the general public into a greater frenzy of speculation, or resulted in pseudo-experts ...
  • Outer Space
    Astronomy Lists

    10 Fun Facts About Outer Space

    Much of what is known about space science is hard to fully understand, even for the scientists who study the field. Fortunately, there are many more understandable, and cooler facts about space that we can ...
  • alien, landscape, terrain
    Astronomy Lists

    Top 10 Facts About The Missions to Venus

    Although named after the goddess of love and beauty, Venus is one of the most hostile environments in our solar system. Its surface temperatures can reach levels hot enough to melt lead, and the atmosphere ...
  • an artist's impression of a distant object in space
    Astronomy Lists

    10 Interesting Facts about Neutron Stars

    Simply put, a neutron star is the collapsed and highly compressed remains of a relatively massive star that died in a supernova event. Neutron stars are also the smallest stars known to exist, with their ...
  • Manatee Nebula in Aquila
    Astronomy Lists

    Nebulae Named after Aquatic Animals

    Nebulae of all types are among the most spectacular-looking structures in the entire Universe, and have been an endless source of intrigue and discovery for astronomers. How we perceive them, however, is often thanks to ...
  • The Porpoise Galaxy
    Astronomy Lists

    Top 10 Strangest Galaxies In The Universe

    A galaxy refers to a huge system of stars, planets, gas, and dust that are gravitationally bound together. Our solar system, for instance, is part of the Milky Way galaxy, which is thought to contain ...

Astronomy Trek – Fascinating Space Facts & Stargazing Guides