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Your search for "visible universe" returned 523 results
What Is the Oldest Tree in the World?
science.howstuffworks.com/life/botany/oldest-tree-in-world.htm
In the quest for the title of world's oldest tree, there's some stiff competition, as well as questions surrounding the way we define "oldest."
5 Great Presidential Debate Moments
people.howstuffworks.com/5-presidential-debate-moments.htm
Explore these 5 Great Presidential Debate Moments. Keep reading to learn about Great Presidential Debate Moments and the comments that made sparks fly.
What is astrophotography?
science.howstuffworks.com/astrophotography.htm
If your idea of photographing the stars has nothing to do with Hollywood, you might be interested in astrophotography -- the sky's literally the limit.
Why is the Google algorithm so important?
computer.howstuffworks.com/google-algorithm.htm
The Google algorithm searches out Web pages that contain keywords you used to search. Read about the Google algorithm and how the Google algorithm works.
Types of Galaxies: Why Galaxies Come in Different Shapes
science.howstuffworks.com/why-some-galaxies-come-in-different-shapes.htm
Galaxies are complex systems held together by gravity, but the shapes of different types of galaxies are a result of gravity along with rotation speed and time.
Admitting Trans Students to Single-sex Colleges: Is Current Law on Their Side?
people.howstuffworks.com/trans-students-at-single-sex-colleges.htm
Even though single-gender colleges are debating the admission of transgender students, the law says they must be accepted.
A Monumental Tribute to Crazy Horse Has Been Taking Shape for Decades
history.howstuffworks.com/american-history/crazy-horse.htm
More than 70 years ago, Lakota Chief Henry Standing Bear dedicated Thunderhead Mountain as the site of the Crazy Horse Memorial. What's taking so long?
Three Famous Hypotheses and How They Were Tested
science.howstuffworks.com/innovation/scientific-experiments/hypothesis.htm
From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.
Terrestrial Planets Are the Rocky Planets of the Solar System
science.howstuffworks.com/terrestrial-planets.htm
Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?
Who Invented the Light Bulb? It Wasn't Just Edison
science.howstuffworks.com/innovation/famous-inventors/who-invented-light-bulb.htm
The light bulb literally brightened the whole world and Thomas Edison generally gets the credit for inventing it. But did he?