Category Archives: Terrestrials

includes Mercury, Venus, Earth, Mars

Explore Giants

Earth may seem special to us, but it is just one of a near countless number of planets in our universe—a rather small one at that. Giant planets are those planets that dwarf Earth in size. They are gaseous bodies, meaning that they are primarily composed out of a swirling combination of gasses held togetherContinue reading “Explore Giants” Continue reading

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Thermus Aquaticus

Thermus Aquaticus is an extremophile that can survive extremely hot temperatures. It is a species of bacteria, whose scientific classification is Bacteria, Deinococcus-Thermus, Deinococci, Thermales, Thermaceae, Thermus, Thermus Aquaticus (Domain, Phylum, Class, Order, Family, Genus, Species). Thermus Aquaticus is a chemotroph, which means it obtains food through chemosynthesis. The species was first discovered in 1969Continue reading “Thermus Aquaticus” Continue reading

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Mercury’s Shrinkage

It’s been long thought that of the Fab (Terrestrial) Five, only Earth remains geologically active. However, recent evidence shows that little Mercury, long thought to be tectonically dead, is actually shrinking! The evidence comes in the form of small troughs (upper arrows in the picture below) and scarps (lower arrows) astronomers were able to photographContinue reading “Mercury’s Shrinkage” Continue reading

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What’s in Charge of Earth’s Long-Term Climate Change?

Climate change has been worsening, so much so that when news outlets report on it the term sounds like just another buzzword. Current projections of the United States’ future coastlines don’t look at all forgiving. Where did this catastrophe start? Well, to answer that question we have to examine four key factors: solar brightening, changesContinue reading “What’s in Charge of Earth’s Long-Term Climate Change?” Continue reading

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The Formation and Evolution of our Atmosphere

Us residents of the Earth take our atmosphere for granted. We constantly bombard it with harmful chemicals and pollute it with manmade substances that can permanently damage our “forcefield” around Earth. After all, it is responsible from keeping us safe against the harmful rays of the sun and provides us with the oxygen we needContinue reading “The Formation and Evolution of our Atmosphere” Continue reading

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Survival Sweet Spot

Earth is a perfect amalgamation of all the conditions necessary for live to thrive. I always hear that the other terrestrials cannot sustain life, but never exactly sure how unsuitable they were. I mean if there was only one thing wrong with them, who’s to say we wouldn’t be able to invent a solution inContinue reading “Survival Sweet Spot” Continue reading

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Mars, Water trapped in Rocks

An Artist’s Rendition of what Mars may have looked like 4 billion years ago As we have discussed in class, Mars looks very different today than it did billions of years ago. One notable difference is that Mars may have liquid water, as we see evidence of this in canyons and dried river beds inContinue reading “Mars, Water trapped in Rocks” Continue reading

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solar system superlatives: Mars

Welcome to solar system superlatives – a blog series where we’ll learn about some of the craziest phenomena found in our solar system. First up, Mars. Mars is home to some of our solar system’s most impressive geological formations. Olympus Mons, for instance is the largest mountain in the solar system, and, as I amContinue reading “solar system superlatives: Mars” Continue reading

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Surface Features of Mercury

Mercury is a terrestrial planet, though it is quite different in appearance than Earth. It’s grey rocky surface more resembles that of the moon, however unlike the moon Mercury has a liquid iron core and is much denser. Moreover, Mercury’s surface features paint an interesting story of past geological occurrences. Mercury formed around 4.6 billionContinue reading “Surface Features of Mercury” Continue reading

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Middle Man Mars

The terrestrial worlds are known to be Mercury, Venus, Earth, the moon, and Mars. While they all have some similarities to one another, like rocky surfaces and much smaller sizes than relative to the remaining planets in the solar system, they also have many differences. Venus and Earth are alike in ways that the otherContinue reading “Middle Man Mars” Continue reading

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