By: Suzanne Rose
Distinguishing between meteoroids, meteors, meteorites and comets can be a challenge even for those interested in astronomy. The differences are rather elementary, however, once one understands the definitions. The following guide can help you understand these astronomical terms. Meteoroids, meteors, meteorites are terms that are...
By: Kat Centeno
The Solar System is a vast expanse having the sun at the center and several astronomical objects surround it due to gravity. Scientists theorized that the Solar System was formed when a giant molecular cloud collapse leaving debris. The debris forms the objects in the...
Difference between meteoroids, meteors, meteorites and comets
By: Bridget Webber
Understanding the difference between meteoroids, meteors, meteorites and comets can be difficult, especially as the first three sound so similar. They are in fact linked, via their life cycle, and also by the Greek translation of the word Meteron, which means a phenomenon in the...
Difference between meteoroids, meteors, meteorites and comets
By: Tamara Haddock
Meteoroids, meteorites, and meteors, are all variants of meteoroids. A meteoroid is a piece of space debris that is smaller than an asteroid. Meteoroids tend to be between the size of a grain of sand, and a boulder. They are composed of either stone, or...
By: John Traveler
In 1924, American astronomer Edwin Hubble discovered a Cepheid star—a pulsating or variable luminosity star— in the Andromeda nebula. Until then the Andromeda nebula was believed to be a cluster of stars and dust within the Milky Way. Indeed, the Milky Way was then...
How galaxies are formed
By: Laura LeFae
Galaxies have been viewed as the building blocks of our universe since the 1930s. Before that time, galaxies were a subject open to speculation. Wonder at the universe has always provoked theories about how our universe and the galaxies it held came to be. Understanding...
How to write chemistry lab reports
By: Holly Rogers - 615383
A chemistry lab report must meet a range of criteria, which depends not only on the level of study/research you are at, but also on the topic you are writing about, and the audience it is targeting. All chemistry reports will start life in a...
By: Sylvia Farley
Most children are aware of the form of snowflakes, delicate patterned lattices of regularly arranged crystals. They may also have watched the formation of ice ferns on glass windows in freezing weather. What they may not have realised is that these are the solid state...
By: Shawn Wells
Alum is a spice used for pickling, but has very little use as anything else. But here’s one use you and your kids will love: growing crystals at home. Ready? Here’s what you’ll need. Alum. Water. A bowl. A piece of cloth...
Some aeronautical engineers see atomic airships dominating skies
By: Terrence Aym
Thanks to Toshiba's new generation of micro-nuclear reactors, the dream of some engineers may finally become a reality.No, the reactors aren't small enough to fit into the DeLorean Dr. Emmett Brown drove in "Back to the Future," but they are compact and light...

 

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