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2. A Question and Answer Guide to Astronomy - Wikipedia

   en.wikipedia.org/wiki/A_Question_and_Answer...

   A Question and Answer Guide to Astronomy is a book about astronomy and cosmology, and is intended for a general audience. The book was written by Pierre-Yves Bely , Carol Christian , and Jean-Rene Roy , and published in English by Cambridge University Press in 2010.

3. List of unsolved problems in astronomy - Wikipedia

   en.wikipedia.org/wiki/List_of_unsolved_problems...

   This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.

4. Brief Answers to the Big Questions - Wikipedia

   en.wikipedia.org/wiki/Brief_Answers_to_the_Big...

   Brief Answers to the Big Questions is a popular science book written by physicist Stephen Hawking, and published by Hodder & Stoughton (hardcover) and Bantam Books (paperback) on 16 October 2018. The book examines some of the universe 's greatest mysteries, and promotes the view that science is very important in helping to solve problems on ...

5. Quizlet - Wikipedia

   en.wikipedia.org/wiki/Quizlet

   Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users. [5]

6. Astronomy - Wikipedia

   en.wikipedia.org/wiki/Astronomy

   [3] [4] [5] Based on strict dictionary definitions, "astronomy" refers to "the study of objects and matter outside the Earth's atmosphere and of their physical and chemical properties", [6] while "astrophysics" refers to the branch of astronomy dealing with "the behavior, physical properties, and dynamic processes of celestial objects and ...

7. US military ready to carry out lawful orders of next Trump ...

   www.aol.com/news/us-military-ready-carry-lawful...

   U.S. Defense Secretary Lloyd Austin told troops in a memo released on Thursday that the Pentagon was committed to an orderly transition to the incoming administration of Donald Trump, and that the ...

8. Lions add much-needed pass rusher, getting DE Za'Darius ... - AOL

   www.aol.com/sports/lions-add-much-needed-pass...

   The Lions added a much-needed pass rusher at the NFL trade deadline, getting Za'Darius Smith from the Browns.

9. Diddy accused of dangling woman from high balcony in new case

   www.aol.com/diddy-accused-dangling-woman-high...

   Sean “Diddy” Combs has been accused in a new lawsuit of dangling a woman from the 17th-floor balcony of an apartment during an altercation. The lawsuit filed in Los Angeles by fashion designer ...