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Check Bryn Mawr's, Haverford's, or Swarthmore's library websites for additional resources during COVID-19.

ASTR 152: First-year Seminar in Astrophysics (HC)

Astronomy 152: First-year Seminar in Astrophysics (Masters)

Finding Definitions & More

Sometimes you will need to look up words or get some basic information before you are able to fully understand the articles you are reading in scientific journals. Using these encyclopedias and dictionaries can help to get your research started. 

Web Sources

For more reliable Google results, you can limit your search to a particular site or domain

Sites from U.S. institutions of higher education and the U.S. government tend to be more reliable than .coms and even many .orgs.

e.g. "dark energy" site:.edu
e.g. "dark energy" site:haverford.edu
e.g. "dark energy" site:.gov

e.g. "dark energy" site:nasa.gov