What Is a Main Sequence Star? A star whose characteristics place it in a band, called the main sequence, on an H-R diagram is called a main sequence star. The Hertzsprung-Russell (H-R) diagram is a diagram that plots a star's luminosity vs. surface temperature. Luminosity is the ...
The Sun is an example of a yellow dwarf, also known as a main-sequence star. When a star begins its main sequence life, it is fusing hydrogen to helium within the core. Throughout the life cycle, the core begins to be depleted of hydrogen. As the composition of the core changes, ...
A theme is a creative work’s main idea or underlying meaning. It’s the central, unifying element of the narrative that communicates statements about life, society, humanity, and the world. A story’s theme is what the story is about—but not in the way you might initially think. A th...
By definition, the universe is everything in existence, so nothing can exist outside it. That said, modern theories such as chaotic inflation, brane theory and parallel realities have blurred that definition. You may like 'Cosmic inflation:' did the early cosmos balloon in size? A mirror un...
Here's a look at which Charles Schwab mutual funds possess a coveted four- or five-star Morningstar rating. Tony DongJan. 30, 2025 10 Best 2025 Investments A rapidly changing AI industry and still-elevated inflation are among developments investors are facing this year. ...
The main advantage of creating an investment portfolio is the potential for financial growth and wealth building over time. By carefully selecting a mix of assets, you'll see your investments grow, helping you work toward financial goals like retirement or buying a home. Magic of Compounding Whil...
NASA. The second definition — which arose from a misunderstanding of the original — is the monthly Blue Moon, referring to the second full moon in a single calendar month. Today, this monthly Blue Moon is accepted as an alternative definition rather than a mistake, according toTime and ...
In data warehousing, a star schema is a dimensional model for organizing data into a structure that helps to improve analytical query performance. A star schema is made up of two types of tables: fact and dimension. Afact tablesits at the center of the model, surrounded by one or moredime...
How does a star network work? Because a star network uses a centralized hub, that hub is responsible for controlling communications between devices. However, there are different ways that a central hub can manage these communications. For example, anEthernethub is a network device that simply lis...
Sophie Barrett, of California-based wine distributors Selection Massale, speaks specifically of her experience withSavoiewine producer, Jean-Yves Peron: "Jean-Yves Peron is a total badass, I was blown away by the complexity that skin contact brings to those Alpine varieties he makes. Jean-Yves...