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407 books
—
570 voters
Harikrishnan Tulsidas
https://www.goodreads.com/tharikrish
“Dark energy is a mysterious pressure in the vacuum of space that acts in the opposite direction of gravity, forcing the universe to expand faster than it otherwise would.”
― Astrophysics for People in a Hurry
― Astrophysics for People in a Hurry
“If you forget the path traveled, you will forget the path to travel”
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“This general flattening of objects that rotate is why Earth’s pole-to-pole diameter is smaller than its diameter at the equator. Not by much: three-tenths of one percent—about twenty-six miles.”
― Astrophysics for People in a Hurry
― Astrophysics for People in a Hurry
“Earth has also tidally locked the Moon, leaving it with identical periods of rotation on its axis and revolution around Earth. Wherever and whenever this happens, the locked moon shows only one face to its host planet.”
― Astrophysics for People in a Hurry
― Astrophysics for People in a Hurry
“Nonetheless, they remind us that ignorance is the natural state of mind for a research scientist.”
― Astrophysics for People in a Hurry
― Astrophysics for People in a Hurry
Science and Inquiry
— 4504 members
— last activity Apr 20, 2026 11:37AM
This Group explores scientific topics. We have an active monthly book club, as well as discussions on a variety of topics including science in the new ...more
The Kindle Chronicles
— 354 members
— last activity May 04, 2021 09:16AM
For listeners of The Kindle Chronicles weekly audio podcast.
Goodreads Authors/Readers
— 56447 members
— last activity 49 minutes ago
This group is dedicated to connecting readers with Goodreads authors. It is divided by genres, and includes folders for writing resources, book websit ...more
SciFi and Fantasy Book Club
— 42472 members
— last activity 4 hours, 28 min ago
Hi there! SFFBC is a welcoming place for readers to share their love of speculative fiction through group reads, buddy reads, challenges, ...more
History, Medicine, and Science: Nonfiction and Fiction
— 1542 members
— last activity Oct 14, 2025 06:03PM
Discussion about the fascinating stories of our scientific and medical past
Harikrishnan’s 2025 Year in Books
Take a look at Harikrishnan’s Year in Books, including some fun facts about their reading.
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4,815 friends
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More friends…
Favorite Genres
Adult Fiction, Biography, Business, Classics, Comics, Contemporary, Crime, Ebooks, Fantasy, Fiction, Graphic novels, Historical fiction, History, Horror, Humor and Comedy, Memoir, Mystery, Non-fiction, Paranormal, Philosophy, Psychology, Religion, Romance, Science, Science fiction, Self help, Suspense, Spirituality, Thriller, Travel, and Young-adult
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