Q:

What are the largest sand dunes?

A:

Quick Answer

The world's largest sand dunes in terms of square miles are the Simpson Dunes in Australia. They cover more than 65,000 square miles of land area. The tallest roving sand dunes are found in the Namib Desert in Namibia, where a dune exceeds 1,200 feet.

Know More
What are the largest sand dunes?
Credit: Milton Wordley Photolibrary Getty Images

Full Answer

The tallest stationary dunes are found in Mongolia, and they are over 1,600 feet tall. They also emit a constant hum that experts, to date, have not yet completely been able to explain. The tallest sand dunes in the United States are found in Great Sand Dune National Park in Colorado. There, visitors can scale dunes as high as 700 feet.

Learn more about Earth Science

Related Questions

  • Q:

    How does the sun affect the Earth?

    A:

    The sun provides the Earth with energy in the form of heat, which it uses to warm the Earth's surface, oceans and atmosphere. The heat energy found in the atmosphere is one of the major components of the Earth's climate and climate change, according to Windows to the Universe.

    Full Answer >
    Filed Under:
  • Q:

    What is a grassland ecosystem?

    A:

    A grassland ecosystem is the collection of plants, animals and micro-organisms that live within an environment where grasses are the primary form of vegetation. Examples of grassland ecosystems include the prairies of western North America, the Pampas of Argentina and the Russian steppes.

    Full Answer >
    Filed Under:
  • Q:

    Why is the sky blue?

    A:

    The sky appears blue because of the scattering of sunlight by atmospheric molecules, or Rayleigh scattering. Rayleigh scattering results in a blue sky because it is most noticeable at shorter wavelengths.

    Full Answer >
    Filed Under:
  • Q:

    What color is Earth?

    A:

    Earth, as viewed from space, is a mixture of green, brown, blue and white. Each one of these colors is representative of a different part of the Earth's crust.

    Full Answer >
    Filed Under:

Explore