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Tag Archives: astro2110
Blog 05 – Enceladus
The image shows the lower portion of Enceladus’ jets taken in 2010. Image and information gathered from the NASA website. Enceladus, one of Saturn’s moons, got its name in Greek mythology because Saturn (Cronus) was the leader of the Titans. Despite its namesake, it is only about 310 miles across which is about the size […] Continue reading
Starship: The Future of Space Travel?
Starship. There is a good chance you may have heard of Elon Musk’s space company SpaceX and the immense progress they have made in the rocket industry, completely obliterating the competition when it comes to number of launches per year. But have you heard of SpaceX’s newest triumph with their rocket, Starship? Starship is the […] Continue reading
Tagged astro2110, blog4, spacex, technology
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The James Webb Space Telescope: A New Window on the Universe
JWST The James Webb Space Telescope is a telescope made to look deep into space. It is the largest telescope in space ever built. The telescope was launched into space during 2021. Due to its infrared strength it can see distant objects that light telescopes can’t. JWST was able to study the formations of galaxies […] Continue reading
To Date Ancient Rocks and Artifacts
How do scientists know how old Earth and its rocks are? Modern humans have existed for “only” about 200,000 years, and modern science has existed for only a few hundred years (heck, how do we even know how long we as a species have existed?). So, how do scientists today know how old rocks are? […] Continue reading
Posted in Class
Tagged astro2110, blog4, radioactive
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Why Two Types of Planets?
FIGURE 8.5 from The Cosmic Perspective (taken from Quizlet) When looking at a diagram of our solar system, one likely notices that there are two visually distinct categories of planets. The smaller, rocky planets—Mercury, Venus, Earth, and Mars—are known as the terrestrial (Earth-like) planets, and the larger, more gaseous planets—Jupiter, Saturn, Uranus, and Neptune—are known […] Continue reading
Posted in Class, Jovians, SolarSystem, Terrestrials
Tagged astro2110, blog4
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The Nebula Theory
Image from Formation of the Solar System on by Sydney Garrett One of the greatest questions of our solar system is how it came to be. A theory worthy of consideration has many criteria it must be able to fulfill: it should explain the motion of our celestial bodies, the two different types of planets, […] Continue reading
The Sun: Our Solar System’s Powerhouse
The Sun The Sun is mostly made of hydrogen and helium. In its core the two elements are fused together releasing light and heat in the process. The Sun’s has different layers (core, radiative zone, photosphere, convective zone, and corona). The corona is only visible from Earth during a solar eclipse and reaches millions of […] Continue reading
Blog #4 – Pluto: Is it a planet?
Pluto is most known for its famous debate: Is it a planet or not? As of 2006, Pluto is known as Dwarf Planet. A Dwarf Planet is a celestial body that orbits the Sun just like a regular planet; however a dwarf planet lacks a clear orbital path, sharing it with other objects. Pluto’s size […] Continue reading
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Tagged astro2110, blog4, pluto, Uncategorized
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The Sun
The most important object in our Solar System. Image from NASA According to NASA, our Sun is a 4.5 billion year old yellow dwarf star composed of Helium and Hydrogen. It is the largest object in the Solar System with a diameter of about 1.4 million kilometers. The hottest part of the Sun is its […] Continue reading
Radioactivity is all around us
We have learned about radioactivity in class, and we hear about it in the news, but many do not have direct experience with radiation. It is a scary word that elicits a lot of fear in most; for example, concerns about safety have stopped nuclear power from gaining dominance despite otherwise being a superior source […] Continue reading