Why Is Uranus Tilted?

March 30, 2023

Uranus is a unique planet in our solar system for a number of reasons. It takes 84 Earth years to complete a single orbit; it smells like rotten eggs; and it rotates on its side. Why is Uranus so different from other planets? […]

radio telescope

The Discovery of Radio Astronomy

February 26, 2023

Radio astronomy was discovered much later than optical astronomy. Karl Jansky was the first person to discover radio statics. With its longer wavelengths, radio astronomy makes it easier to build telescopes. […]

radio telescopes

What Are Optical and Radio Telescopes?

February 25, 2023

Radio and optical telescopes use glass mirrors with aluminum or silver coating. While the radio telescopes have mirrors with a parabolic surface, the optical telescopes refrain from using parabola. Instead, they use multiple mirrors to eliminate aberrations. […]

telescope focusing on the sky

Should Telescopes Use the Pinhole Camera Technique?

February 25, 2023

Pinhole cameras map images the way telescopes do. The technique works for some telescopes whereas others use a variation in the mechanism. Astronomers have been adapting the pinhole technique in their individual ways to build up telescopes. […]

Meteor entering Earth's atmosphere

How Many Meteorites Have Hit Earth?

February 24, 2023

Meteorites of all shapes and sizes have struck Earth and the Moon. The most obvious examples of this are visible on the Moon’s surface, as evidenced by the myriad craters dotting the Moon. How many have hit Earth? […]

solar system

What Is the Kuiper Belt?

February 16, 2023

The asteroid belt isn’t the only ring of celestial bodies orbiting our solar system. A much wider ring starting near Neptune contains countless icy formations. Discover the Kuiper Belt for yourself today. […]

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