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Monthly Archives: April 2019
The Twins Study
NASA has conducted a study that looks at the effects of being in space on the human body, and they are calling it the “Twins Study”. The two test subjects are identical twin astronauts Mark and Scott Kelly. Mark and Scott are the only twins to have traveled to space. The information collected can be … Continue reading The Twins Study → Continue reading
Adaptive Archaea
Discovered in 1970, Archaea might be the least well-known of the three domains of life (the others being Bacteria and Eukaryota), but it is a fascinating and diverse group of organisms and quite possibly the first on Earth. Like bacteria, archaea are unicellular, prokaryotic organisms, meaning that they lack nuclei and other membrane-bound organelles in […] Continue reading
Posted in Aliens, Terrestrials
Tagged astro2110, astrobiology, blog6, life, Solar System
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Fission Rocket Engines: Soon?
NASA has revived the dreams of many optimists hopeful of smashing the dire predictions of the ideal rocket equation. Insane designs have long been dreamed of by lunatics attempting to create breakthroughs with the power of the atom, but a NASA research program in the 70’s laid encouraging groundwork for a possible fission rocket. NERVA … Continue reading Fission Rocket Engines: Soon? Continue reading
Posted in Historical
Tagged astro2110, blog7, propulsion methods, spacecraft
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Project Orion: Humanity’s Best Hope?
In the 1950’s and 60’s, optimism about the new discoveries related to fission of atoms and available energy ran rampant. Ambitious designs of all kinds were created based around the new marvel of nuclear energy. Eager to harness the massive potential of fission and fusion reactions, scientists and engineers at NASA began to ponder the … Continue reading Project Orion: Humanity’s Best Hope? Continue reading
Posted in Historical
Tagged astro2110, blog6, propulsion methods, spacecraft
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The Case for Tardigrades
I can’t remember if it was Cosmos or Planet Earth, but it was narrated by Neil DeGrasse Tyson. My roommate and I were watching it before bed, and it was fascinating. Almost the entire episode was dedicated to tardigrades, more colloquially known as water bears. These microscopic animals are uncannily resilient. Like, scarily so. According […] Continue reading
Posted in Class
Tagged astro2110, blog6, extremophiles, life, tardigrades
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Where is everybody?
Despite evidence that suggests that there should be extraterrestrial civilizations, we have not yet detected any signs of these civilizations. This issue is called the “Fermi Paradox,” after Enrico Fermi—a Nobel Prize-winning physicist. Compared to the lifespan of the universe, our sun is relatively young at 4.6 billion years old, so there are older stars […] Continue reading
I See the Light
An amazing part of the class this semester was the ability to understand and correct some of the misconceptions that I have held about the Solar System for years. Whether it was about the ‘dark’ side of the moon, the brightness of the North Star, tides, the asteroid belt being hard to navigate through, or … Continue reading I See the Light → Continue reading
Posted in Class, General, Science
Tagged astro2110, blog7, Misconceptions, Solar System
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A Whole New World!
Because the caves, mines, and crevasses on Earth are filled with extremophiles, NASA uses those lifeforms as a guide to its exploration of the universe. The hidden parts of the planet have to make their own way of survival. Surface life has photosynthesis, but subsurface only a tiny fraction of that energy trickles down so … Continue reading A Whole New World! → Continue reading
Posted in Class, General, Observables, Terrestrials
Tagged astro2110, astrobiology, blog6, extremophiles, NASA
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The Northern Lights
One of the world’s most fascinating and natural wonders are the Northern Lights. These magical lights come in a variety of dancing colors. This seemingly random light show occurs as a result of interactions of Earth’s magnetic field and atmosphere with solar winds. Solar winds released by the Sun’s sunspot regions travel through space until … Continue reading The Northern Lights → Continue reading
Posted in Light, Physics, Sun
Tagged astro2110, blog7, northern lights, Solar System
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How Hard is Interstellar Travel?
Traveling to other solar systems seem pretty easy in the movies, but in real life, it could get quite complicated. First of all, the closest star system to us is Alpha Centauri, which is 4.37 light-years away, which is very far from us even if we can travel at the speed of light. But even … Continue reading How Hard is Interstellar Travel? → Continue reading
Posted in Physics
Tagged astro2110, blog6, interstellar, Solar System
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