Collinder 228 is an open star cluster located in the constellation of Cassiopeia. It was cataloged by the Swedish astronomer Per Collinder in 1931 as part of his investigation of open clusters. Open clusters are groups of stars that are gravitationally bound and formed from the same molecular cloud, typically containing a few dozen to a few thousand stars. Collinder 228 is relatively young and is notable for its stars being relatively hot and bright.
The Serpens–Aquila Rift is a region of space that contains a dense concentration of interstellar dust and gas, located between the constellations of Serpens and Aquila. This area is notable for its obscuration of background stars and is associated with active star formation. The rift's dense dust clouds act as a barrier that prevents visible light from passing through, which is why it appears as a dark band in the Milky Way when viewed from Earth.
Sh2-297, also known as LBN 762 or the "Star-forming region," is a bright emission nebula located in the constellation Cassiopeia. It is part of a larger region of star formation and is known for its rich hydrogen emission, which is indicative of ongoing stellar activity. Sh2-297 is interesting to astronomers because it contains regions of dense gas and dust, which are the building blocks for new stars.
Trumpler 16 is a young open cluster located in the Carina Nebula, which is part of the larger Carina constellation in the southern sky. This cluster is noted for containing some of the most massive and luminous stars known, including several O-type stars. Its members are relatively young, with an estimated age of around 2 to 3 million years.
The weather in 2015 was marked by a variety of significant climate events and patterns around the world. Some key highlights include: 1. **El Niño**: 2015 was one of the strong El Niño years, leading to abnormal weather patterns globally. El Niño typically causes warmer ocean temperatures in the Pacific, influencing weather in many regions. 2. **Record Heat**: Many parts of the world experienced record-breaking temperatures.
Nyambe is a figure in the mythology of certain African cultures, particularly in some traditions of the Bantu peoples. In these mythologies, Nyambe is often regarded as a creator god or a supreme deity. The specific attributes, stories, and significance of Nyambe can vary among different ethnic groups. In some interpretations, Nyambe is associated with the creation of the world and is sometimes seen as a benevolent figure who watches over humanity.
A drop shadow is a visual effect used in graphic design and user interface design that creates the illusion of depth by adding a shadow to an object or text. The shadow appears as a darker area behind the object, typically offset from it and blurred to mimic the way light interacts with physical objects. Here are some key characteristics of drop shadows: 1. **Appearance**: The shadow often resembles the shape of the object it is attached to, creating a more three-dimensional look.
Qibla observation by shadows is a method used to determine the direction of the Qibla, which is the direction that Muslims face when praying, towards the Kaaba in Mecca, Saudi Arabia. This method utilizes the position of the sun and the shadows cast by objects to find the correct orientation. ### How It Works: 1. **Understanding the Qibla**: The Qibla direction varies depending on your location on Earth.
Coronal rain refers to a phenomenon observed in the solar corona, which is the outermost layer of the Sun's atmosphere. It occurs when plasma, typically in the form of cool, dense strands of solar material, falls back to the Sun after being ejected into the corona. This material often originates from solar prominences or flares, where magnetic field lines in the Sun's atmosphere channel the cooler, denser plasma into loops.
Solar granules are small, convective cells that form on the surface of the Sun, particularly in the photosphere, which is the visible layer of the Sun's atmosphere. Each granule typically measures about 1,000 kilometers (620 miles) across and is part of the dynamic process of convection that occurs in the Sun's outer layers. The formation of granules is driven by the rising and sinking of hot plasma.
Solar variability refers to the fluctuations in the Sun's output of energy and radiation over various timescales, which can affect the solar system, particularly the Earth. These variations can be caused by a number of factors, primarily related to the Sun's magnetic activity, and can influence space weather, climate, and other solar system processes.
Konthoujam Tampha Lairembi is a revered deity in the context of Meitei culture in Manipur, India. She is considered a form of the goddess of fertility, prosperity, and nourishment and is particularly associated with the Manipuri traditions and rituals. The goddess embodies the essence of motherhood and is often worshipped by women seeking blessings for fertility and the well-being of their families.
Nzambici is a term that can refer to a few different contexts, but it is primarily associated with a figure in Central African mythology, particularly among the Bantu-speaking peoples. In some traditions, Nzambici refers to a creator deity or a significant spiritual entity. The name may also relate to specific cultural practices, stories, or religious beliefs in certain African communities.
The weather in 2014 varied significantly around the world, with notable events and trends in different regions. Here are some highlights: 1. **Global Temperature**: 2014 was one of the hottest years on record, with average global temperatures significantly higher than those of the late 20th century. 2. **Extreme Weather Events**: - **North America**: The U.S. experienced a harsh winter with heavy snowfall and record cold temperatures, particularly in the Midwest and Northeast.
The list of countries by average annual precipitation can vary depending on the specific data source and methodology used. However, generally, countries with high average annual precipitation tend to be located in tropical regions, especially those with rainforests or coastal areas affected by monsoon winds.
The weather in 2016 varied significantly across different regions of the world, with a mix of climatic events and anomalies. Here are some key highlights of the weather events recorded in 2016: 1. **Global Temperatures**: 2016 was one of the hottest years on record, with global average temperatures significantly above the long-term average. This was attributed to the ongoing impacts of climate change and was exacerbated by an El Niño phenomenon in the Pacific Ocean.
The "Fireship of Baie des Chaleurs" refers to a historical event and legend associated with the Baie des Chaleurs (Bay of Chaleurs) in eastern Canada, particularly in Quebec and New Brunswick. The term "fireship" in maritime history typically refers to a ship intentionally set on fire and directed toward enemy ships or ports in order to cause destruction. However, in the context of this legend, it could also relate to supernatural or telltale phenomena.
"Light of Saratoga" could refer to various topics, depending on the context. It might refer to historical events, such as the Battle of Saratoga during the American Revolutionary War, which was a pivotal moment in the struggle for independence. Alternatively, it could be related to local cultural events, establishments, or artwork in Saratoga, New York.
The Old Farmer's Almanac is an annual publication that has been in circulation since 1792, making it one of the oldest continuously published periodicals in North America. It is well-known for its long-range weather forecasts, gardening tips, and various articles related to farming, gardening, cooking, and home remedies. The Almanac traditionally includes information such as planting calendars, astronomical data (like moon phases and eclipses), and recipes, along with anecdotes and folklore.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





