Earth & Space Page 849

More in Earth & Space

  1. When Will Mount Rushmore Erode?

    Explore the science of Mount Rushmore’s durability. Learn how geology and human engineering counter natural erosion to project its multi-million-year lifespan.

    By Matthew Dorsey
  2. Does a Lunar Eclipse Only Happen at Night?

    Learn why the global celestial event of a lunar eclipse is only visible to observers situated on Earth’s local night side.

    By Tanner Kenny
  3. What Do the Pyramids Line Up With?

    Explore the stunning astronomical precision used to align the Giza Pyramids with True North and key celestial points.

    By Alberto Contreras
  4. What Is Indigo Gabbro? Its Geology and Metaphysical Uses

    Unpack the duality of Indigo Gabbro: the science behind this gabbro rock and its popular use in metaphysical healing and lore.

    By Diane Morgan
  5. What Is the Eastern Continental Divide?

    Understand the Eastern Continental Divide: the crucial, low-lying ridge that separates drainage toward the Atlantic from the Gulf of Mexico.

    By Brian L. Hart
  6. What Tectonic Plate Does New York Lie On?

    Discover New York’s geological stability, rooted in its ancient foundation and distance from plate boundaries, and the cause of its rare tremors.

    By Matthew Dorsey
  7. What Is an Outflow Boundary and How Does It Form?

    Discover the physical process of an outflow boundary, the cold air separation zone crucial for future thunderstorm development and forecasting.

    By Brian Radcliffe
  8. When Two Oceans Meet but Do Not Mix

    Understand the physics behind the stunning visual of meeting water masses that seem to refuse to mix. Density is the key.

    By Catherine Kimball
  9. Can Gold Be Found in Ohio? Where to Prospect

    Find out where to prospect for fine, glacially-deposited gold in Ohio. Practical techniques, legal rules, and realistic hobby expectations explained.

    By Maria Cruz
  10. What Would Happen If Mercury Disappeared?

    Removing Mercury causes minimal immediate change, but its absence could lead to long-term orbital chaos, destabilizing Venus and Earth over geological time.

    By Scott Shaw
  11. What Does a Blinking Star Mean? The Science of Twinkling

    Discover why stars appear to blink but planets shine steadily. It’s all about atmospheric refraction and light source size.

    By Amar Singh
  12. How the Ancient Chinese Seismograph Worked

    Uncover the secrets of the world’s first seismograph, a 2nd-century Han Dynasty device that sensed distant tremors and indicated their exact direction.

    By Florin Munteanu
  13. What Is a Fire Rainbow and How Does It Form?

    What is a fire rainbow? Learn the scientific truth behind this rare, colorful spectacle and the precise conditions required for its formation.

    By Brian Radcliffe
  14. How Many 100-Degree Days Does Austin Get?

    How often does Austin hit 100°F? We examine the official historical average, recent shifts in frequency, and how Austin compares to its Texas neighbors.

    By Brittany McCarthy