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Category Archives: Stars
The Goldilocks Zone: Not as elusive as previously thought?
New research from the Australian National University and the Niels Bohr Institute at the University of Copenhagen has calculated that billions of the milky Way star’s have one to three planets in the habitable zone (or nicknamed: “The Goldilocks Zone” because…
Posted in Aliens, Exoplanets, Stars
Tagged astro201, blog8, habitablezone
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Beta Pictoris
Source: stgist.com The formation of our solar system is still an event that deserves further study, and other areas and stars in the Milky Way offer a glimpse into the processes that hold the answers. Beta Pictoris, a young star that is 63 million light years away from us, may be such a star. Beta Pictoris […]
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Where did we come from?
Formation of the Solar System In only the recent history of astronomy, we’ve began to understand that our solar system is in fact no different than other star systems in the universe. We now understand that stars in fact all form from a collapsing cloud called a nebula, which is composed mostly of hydrogen and…
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Posted in Physics, SolarSystem, Stars
Tagged astro201, blog5
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The Future of the Sun and What It Means for Earth
Right now, the Sun is about halfway through its main sequence stage. It has always intrigued me how the Sun will evolve once it is past this phase. How will the Sun change? What will happen to Earth and the other planets? In approximately 5.4 billion years, the Sun will have exhausted all of its […]
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Could the sun live for over a trillion years?
Sun and hydrogen burning: Thinking outside the bubble Yes it can! But not except under unusual circumstances which do not naturally occur in G-type stars as our sun. This is due to the fact that the core is the only part of the sun in which temperatures and pressure are high enough to fuse helium […]
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Posted in Class, Stars, Sun
Tagged age of the sun, astro201, blog5, earth, hydrogen fusion, Solar System
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The Continual Search for Planets
The discovery of new life-harboring planets has been a hot topic in the last century, but there has always been a limitation: we couldn’t see other planets. However, observational technologies and techniques have progressed to the point where we may be able to find more Earth-like planets within a few short years. The main problems […]
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Posted in Exoplanets, Instruments, Stars
Tagged astro201, blog4
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Absorption Spectra
Photo Source: Absorption Spectrum The photo above is the full absorption spectrum of the sun. The black lines come from the different chemical elements within its atmosphere, and this is true for all stars! Different elements absorb and emit light at different wavelengths from one another. Scientists have conducted (here on earth) experiments to determine…
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The 12…wait, there’s 13?…Zodiac Signs
If you’re like me, you identify pretty deeply with your zodiac sign. Although I don’t believe that every word of my horoscope is necessarily true, I still like to think that I embody all the qualities of a Leo. In addition, it’s entertaining to read my horoscopes from time to time, even though they aren’t… Continue reading The 12…wait, there’s 13?…Zodiac Signs
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What Does It Mean to Have a Zodiac Sign?
Lots of people are aware that they have a Zodiac sign – a symbol associated with the time of year …
Posted in Class, Historical, Stars
Tagged astro201, astrological signs, blog2, Constellations, history, me, Zodiac
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Wait, where is that constellation? said me, about a million times while holding a telescope
Night Sky 2 The hyperlink above is to a webpage with the information and a review for a REALLY cool observing app! I got Night Sky 2 before I even took an astronomy class at Vandy, and it’s easily my favorite. You can get real-time views of all constellations, planets, stars, satellites, and even comets! Not…
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Posted in Observables, Stars
Tagged astro201, blog2
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