COLLECTED BY
Organization:
Internet Archive
The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the
Wayback Machine.
This collection contains web crawls performed on the US Federal Executive, Legislative & Judicial branches of government in 2020-2021.
Information about this project can be found here: https://end-of-term.github.io/eotarchive/
You can submit URLs to be archived here: https://digital2.library.unt.edu/nomination/eth2020/add/
The Wayback Machine - https://web.archive.org/web/20201016155950/https://science.nasa.gov/astrophysics/astrophysics-data-centers/high-energy-astrophysics-science-archive-research-center-heasarc
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High Energy Astrophysics Science Archive Research Center (HEASARC)
This web site is for scientists and astronomy enthusiasts seeking actual data from a multitude of space-based observatories. The High Energy Astrophysics Science Archive Research Center (HEASARC) is the primary archive for high-energy astronomy missions, in the extreme ultraviolet, X-ray and gamma-ray wavelengths. The HEASARC provides archival data, multi-mission software and analysis tools, and information about current and past observatory missions.