Basic facts about the planet Mercury including its size, its name, and its atmosphere. Includes a discussion question on its visibility from Earth, with facts, and the answer. A linked page covers similar material in a "Level 2" version,...

Comprehensive look at the planet Mercury, with many useful facts, figures, photos, and related links. Provides an account of how Mercury got it's name and a timeline of significant dates.

Collection of images, with vocalized explanatory captions, of the planets acquired by NASA as part of its exploratory space programs.

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.

[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.

Home page for NASA's Discovery Program Messenger to the planet Mercury. Site provides details of the planned mission, its experiments and the science and management teams. Linked Quicktime animation files are very large and detailed....

A fantastic collection of information about the solar system. Includes information on all of the planets, the moon, the sun, asteroids, comets, meteoroids, and stars. Also find puzzles, a dictionary, quizzes, classroom activities, and...

Windows to the Universe briefly details the structure of the interior of the planet Mercury.

Compare the masses of planets in this interactive animation. Simply pile a number of Earths on one side of the scale, to balance with the mass of one Jupiter. Then try this with all the planets.

A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.

See what you know about the solar system by taking this brief interactive quiz and learning module.

This stunning site on the solar system gives a great overview of the planets and our sun. Learn about each object's size, vital statistics, and moons. Then go on for a more in depth look at these objects in the column on the left.

[Free Registration/Login Required] An informational text about the solar system. A question sheet is available to help students build skills in reading comprehension.

Here is a clear, simple picture of the solar system. Click on the names of the planets to learn more about each. Clicking on underlined terms takes you to more and more detailed scientific information.

A slideshow and a short multiple-choice quiz on the four inner planets of our solar system, which include Mercury, Venus, Mars, and Earth.

A virtual journey through space offers photos and facts about Earth and its neighboring planets, comets, other celestial bodies of the Solar System, and the Milky Way and Andromeda galaxies.

This is a list of links to online resources related to the study of the planets. It has a literary theme associated with the Lewis Carrol poem "The Hunting of the Snark" with many quotes from literature and science. Navigation tools...

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

This page from NASA provides a chart of statistical information on planet Mercury. Its mass, diameter, average temperature, and distance from the Sun are among the characteristics listed.

An image of "Planet Mercury", created by Master of the Housebook, c. 1475 (Pen drawing, 235 x 143 mm).