It seems to me that the main idea is captured on the cover of The Hitchhiker's Guide to the Galaxy.
"Don't Panic"
The main idea is to reach out to a friend in need.
Most of the stars in the universe are found on the main sequence. Stars fall off the main sequence when they begin to die.
There is more then 1 version of galaxy Pegasus' fusion wheel but the main color is Metallic Blue but there rare version (i own it) is red
Main idea and supporting detail.
All galaxies appear to be unique; they are all equally uncommon. Except ours; the Milky Way is the only galaxy to have US in it. Edit : Galaxies are classified into various types. The most uncommon type is known as "Irregular".
There are many characters who can be considered as the main protagonists of the 'Hitchhiker's Guide to the Galaxy'Arthur Dent, a hapless EnglishmanFord Prefect, an alienZaphod Beeblebrox, Ford's semi-cousinMarvin the Paranoid Android, a robotTrillian, a human survivor
There were several computers mentioned; Marvin, who is a main character and very depressed, Deep Thought, which found the answer to the question of life is 42, and Earth itself is a enormous computer designed to calculate the Question of Life.
The main idea typically starts in the introduction of a piece of writing or presentation. It is the central point or thesis that the rest of the content supports and revolves around. The main idea helps guide the reader or audience in understanding the purpose and focus of the communication.
The main characters in "The Hitchhiker's Guide to the Galaxy" are Arthur Dent, Ford Prefect, Zaphod Beeblebrox, Trillian, and Marvin the Paranoid Android. Each character brings a unique personality and perspective to the eccentric and humorous adventures they experience throughout the series.
A main idea can typically be found in the topic sentence of a paragraph, the thesis statement of an essay, or the headline of an article. These are key locations where the central message is clearly stated to guide the reader's understanding.
The subject of a passage refers to the main topic or theme that the passage is discussing. It is the focus of the writing and helps to guide the reader in understanding the main idea being presented.
Stars'.
There is no such thing.
A stated main idea is when the writer of the particular piece clearly identifies what the main idea is. In contrast, an unstated main idea is when the writer references the main idea, but does not clearly name it.
The main idea of the Upanishads is to explore the nature of reality, the self, and the ultimate source of existence (Brahman). They emphasize the interconnectedness of all things and aim to guide individuals towards self-realization and spiritual enlightenment through deep contemplation and meditation.
The main idea is the central point or key concept that the author is trying to communicate to the reader. It summarizes the main focus or message of the text.
A Spiral Galaxy or a Barred Spiral. These are two of the main types of Galaxies.