Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
fluffy aggregate model
Directory
References
Discover
United States elections portal page linking to each election interactive
A History of U.S. Presidential Elections in Maps
Washington DC.,USA, April 26, 1989. Supporters for and against legal abortion face off during a protest outside the United States Supreme Court Building during Webster V Health Services
Pro and Con: Abortion
United States electoral college map showing number of electoral votes by state.
How Does the Electoral College Work?
Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.
5 Remarkably Close U.S. Presidential Elections
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?
Election - Button that says Vote. Badge pin stars and stripes politics campaign
Why Are U.S. Elections Held on Tuesdays?
Globe South America, map
What’s the Difference Between Hispanic and Latino?

fluffy aggregate model

cometary nuclei

Learn about this topic in these articles:

study of comets

  • Comet McNaught
    In comet: Cometary nuclei

    …that cometary nuclei are “fluffy aggregates,” first proposed by American astronomer Bertram Donn and British astronomer David Hughes in 1982, or “primordial rubble piles,” proposed by American astronomer Paul Weissman (the author of this article) in 1986, with low binding strength and high porosity. Key data supporting these models…

    Read More