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diff --git a/Astro 2019/Astro 2018/DSO2018/RCW 103.docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/RCW 103.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/DSO2018/S Doradus(1).docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/S Doradus(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/DSO2018/S Doradus.docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/S Doradus.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/DSO2018/SN 1987A(1).docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/SN 1987A(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/DSO2018/SN 1987A.docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/SN 1987A.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/DSO2018/SN W49B(1).docx b/Astro 2021/Astro 2019/Astro 2018/DSO2018/SN W49B(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/HR Combined(1).docx b/Astro 2021/Astro 2019/Astro 2018/HR Combined(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/HR Combined.docx b/Astro 2021/Astro 2019/Astro 2018/HR Combined.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/JuMo List of things to research(1).docx b/Astro 2021/Astro 2019/Astro 2018/JuMo List of things to research(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Problems+Solutions/Problem_Set_KeplersLaws (1).docx b/Astro 2021/Astro 2019/Astro 2018/Problems+Solutions/Problem_Set_KeplersLaws (1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Weebinar(1).pptx b/Astro 2021/Astro 2019/Astro 2018/Weebinar(1).pptx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Weebinar.pptx b/Astro 2021/Astro 2019/Astro 2018/Weebinar.pptx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/AG Carinae.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/AG Carinae.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/ASASSN-15lh.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/ASASSN-15lh.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/AlphaOrionis(Betelgeuse).pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/AlphaOrionis(Betelgeuse).pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/Circinus X-1.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/Circinus X-1.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/DEM L241.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/DEM L241.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/Geminga.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/Geminga.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/HR 5171.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/HR 5171.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/IC443.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/IC443.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/M82 X-2.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/M82 X-2.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/NGC 7822.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/NGC 7822.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/NGC6357.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/NGC6357.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/PSR B0355+54.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/PSR B0355+54.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/RCW103.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/RCW103.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/S Doradus.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/S Doradus.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/SN 1987A.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/SN 1987A.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Wiki Stuuz/SN W49B.pdf b/Astro 2021/Astro 2019/Astro 2018/Wiki Stuuz/SN W49B.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/astrorules.pdf b/Astro 2021/Astro 2019/Astro 2018/astrorules.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/Item Stuuz 2.0/black hole.pdf b/Astro 2021/Astro 2019/Astro 2018/black hole.pdf
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/book notes(1).docx b/Astro 2021/Astro 2019/Astro 2018/book notes(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/book notes.docx b/Astro 2021/Astro 2019/Astro 2018/book notes.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Cepheids(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Cepheids(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Cepheids.docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Cepheids.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/H II regions(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/H II regions(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/H II regions.docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/H II regions.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Neutron Stars(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Neutron Stars(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Pulsar(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Pulsar(1).docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Pulsar.docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Pulsar.docx
similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Red Supergiants(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Red Supergiants(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Semiregular variables(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Semiregular variables(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/item stuff/Stellar Evolution(1).docx b/Astro 2021/Astro 2019/Astro 2018/item stuff/Stellar Evolution(1).docx
similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Astro 2018/random stuff/secchi.gif b/Astro 2021/Astro 2019/Astro 2018/random stuff/secchi.gif
similarity index 100%
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diff --git a/Astro 2019/Chandra Stuuz/47 Tucanae.pdf b/Astro 2021/Astro 2019/Chandra Stuuz/47 Tucanae.pdf
similarity index 100%
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diff --git a/Astro 2019/Chandra Stuuz/Abell 400.pdf b/Astro 2021/Astro 2019/Chandra Stuuz/Abell 400.pdf
similarity index 100%
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diff --git a/Astro 2019/Chandra Stuuz/Antennae Galaxies.pdf b/Astro 2021/Astro 2019/Chandra Stuuz/Antennae Galaxies.pdf
similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Chandra Stuuz/ESO 137-001.pdf b/Astro 2021/Astro 2019/Chandra Stuuz/ESO 137-001.pdf
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/Chandra Stuuz/SPT 0346-52.pdf b/Astro 2021/Astro 2019/Chandra Stuuz/SPT 0346-52.pdf
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/DSO Combined.docx b/Astro 2021/Astro 2019/DSO Combined.docx
similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Astro 2019/How to Math.docx b/Astro 2021/Astro 2019/How to Math.docx
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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diff --git a/Astro 2021/Links/DSOs.pickle b/Astro 2021/Links/DSOs.pickle
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diff --git a/Astro 2021/Links/General.pickle b/Astro 2021/Links/General.pickle
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diff --git a/Astro 2021/Links/Stars.pickle b/Astro 2021/Links/Stars.pickle
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diff --git a/Astro 2021/README.md b/Astro 2021/README.md
deleted file mode 100644
index 4f03a04..0000000
--- a/Astro 2021/README.md	
+++ /dev/null
@@ -1,70 +0,0 @@
-# Astronomy
-
-Resources for Science Olympiad Astronomy
-
-
-## Guide
-
-### Google Drive
-
-Folder: https://drive.google.com/drive/folders/1tSWqSONcjwJWfYled2abuSCmDSUt4KiA?usp=sharing
-
-You should download it before contests since you technically can't use the internet during contests.
-
-
-### rclone
-
-You can copy the Google Drive folder to your computer with `rclone copy "drive:Science/Science Olympiad 20.5/Astronomy 20.5/Astro 2021" . --exclude="General/Hyperphysics English.zip" -P`.
-
-You can copy your files to the Google Drive with `rclone copy . "drive:Science/Science Olympiad 20.5/Astronomy 20.5/Astro 2021" --exclude="astropy/**" --exclude=".git/**" --exclude=".venv/**" --exclude="General/hbase/**" -P`.
-
-
-## Kiwix
-
-Download all of Wikipedia, or optionally, Wikipedia Astronomy.
-
-
-## Speedcrunch
-
-Great for unit conversions: https://speedcrunch.org/userguide/advanced.html
-
-
-## Astropy
-
-For advanced users, you will definitely want to build the documentation: https://github.com/astropy/astropy/blob/main/docs/install.rst#building-documentation
-
-
-### Wikipedia
-
-You can download Wikipedia using [Kiwix](https://www.kiwix.org/en/). It should be more than enough for regionals and state.
-
-
-### Generate a binder
-
-`mkbinder.py` is a Python script to download web pages. It can detect if the latest version of a website is newer than the downloaded version and download only the web pages that need to be updated.
-
-You need to have [Python 3](https://www.python.org/downloads/) installed as well as [wkhtmltopdf](https://wkhtmltopdf.org/). You also need to be able to use the command line.
-
-First download this repository to your computer.
-
-Navigate to the folder in your terminal and run `pip install -r requirements.txt` to install dependencies.
-
-Add links to download to text files in the `Links` folder. The links in each text file will be downloaded to their own folder.
-
-Now run `python mkbinder.py`. It may take a while, depending on how many links to download.
-
-Spam Ctrl-C in your terminal to quit the script while it's running.
-
-You can change the backend used to download the websites, but the default backend `pdfkit` tends to work the best and is recommended. There is an alternative backend `weasyprint` which may work better in some cases and does not require wkhtmltopdf. Only change the backend if you are having trouble with the default and you know what you are doing!
-
-```
-usage: mkbinder.py [-h] [--backend {pdfkit,weasyprint}] [--force {False,True}]
-
-optional arguments:
-  -h, --help            show this help message and exit
-  --backend {pdfkit,weasyprint}, -b {pdfkit,weasyprint}
-                        change the download backend; default: pdfkit
-  --force {False,True}, -f {False,True}
-                        force download all links instead of only the ones that need to be updated; default: False
-```
-
diff --git a/Astro 2021/Rules Sheet 2021.pdf b/Astro 2021/Rules Sheet 2021.pdf
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+oid sha256:fbce54c8af9a1cc558228718207c3ac7e3db6f93378651f385cdab9a684563db
+size 665689
diff --git a/Astro 2021/Stellar and Galactic Evolution/Chandra __ Educational Materials __ The Hertzsprung-Russell Diagram.pdf b/Astro 2021/Stellar and Galactic Evolution/Chandra __ Educational Materials __ The Hertzsprung-Russell Diagram.pdf
new file mode 100644
index 0000000..71bd708
--- /dev/null
+++ b/Astro 2021/Stellar and Galactic Evolution/Chandra __ Educational Materials __ The Hertzsprung-Russell Diagram.pdf	
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38088db34af6ead21294b15b74f54961d5d13ed5a3485e7a531cebcf440b95eb
+size 9855831
diff --git a/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStar_and_Planet_Formation.pdf b/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStar_and_Planet_Formation.pdf
new file mode 100644
index 0000000..b8178ae
--- /dev/null
+++ b/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStar_and_Planet_Formation.pdf	
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:03f7bbed8108be43f46bac7c48f07451d67060f053c5febb60643a0d7f8f5fdc
+size 2569742
diff --git a/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStellar_Evolution.pdf b/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStellar_Evolution.pdf
new file mode 100644
index 0000000..391b2eb
--- /dev/null
+++ b/Astro 2021/Stellar and Galactic Evolution/scioly.orgwikiindex.phpAstronomyStellar_Evolution.pdf	
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+version https://git-lfs.github.com/spec/v1
+oid sha256:f03d1dfc001ba807a0fee85aa07f6e5b2c1e13685365a99e3c91baa712ffe076
+size 5347306
diff --git a/Astro 2021/mkbinder.py b/Astro 2021/mkbinder.py
deleted file mode 100644
index 82772a0..0000000
--- a/Astro 2021/mkbinder.py	
+++ /dev/null
@@ -1,78 +0,0 @@
-#!.venv/bin/python3
-import pdfkit
-import weasyprint
-import re
-import os
-import argparse
-import pickle
-from htmldate import find_date
-from datetime import date
-
-
-# CLI arguments
-parser = argparse.ArgumentParser()
-parser.add_argument('--backend', '-b', dest = 'backend', help = 'change the download backend; default: pdfkit', default = 'pdfkit', choices = ['pdfkit', 'weasyprint'])
-parser.add_argument('--force', '-f', dest = 'force', help = 'force download all links instead of only the ones that need to be updated; default: False', default = False, choices = [False, True])
-args = parser.parse_args()
-
-
-for filename in os.listdir("Links"):
-    if not filename.endswith(".txt"): continue
-    if filename == "requirements.txt": continue
-    
-    print("Examining: " + filename)
-    
-    try:
-        os.mkdir(filename[:-4])
-    except: # I love bad error handling
-        pass
-    
-    try:
-        dates = pickle.load(open(os.path.join("Links", filename[:-4] + ".pickle"), 'rb'))
-    except:
-        dates = {}
-
-    file = open(os.path.join("Links", filename), "r")
-    links = file.readlines()
-    for link in links:
-        if link[0] == "#" or link[0] == "\n": continue
-        
-        new_date_str = find_date(link[:-1])
-        
-        if new_date_str == None:
-            new_date = date.fromisoformat("9999-01-01")
-        else:
-            new_date = date.fromisoformat(new_date_str)
-        
-        try:
-            old_date = dates[link[:-1]]
-        except:
-            old_date = date.fromisoformat("1970-01-01")
-        
-        
-        if new_date > old_date or args.force:
-            print("Downloading: " + link[:-1])
-            print("Edit date: " + str(new_date))
-            
-            name = os.path.join(filename[:-4], re.sub(r'(?u)[^-\w.]', '', link[5:]) + ".pdf")
-            # name = re.sub(r'(?u)[^-\w.]', '', link[5:]) + ".pdf"
-            # print(name)
-            try:
-                # weasyprint seems faster?
-                # but seems to be broken sometimes???
-                if args.backend == 'pdfkit':
-                    pdfkit.from_url(link, name)
-                else:
-                    pdf = weasyprint.HTML(link).write_pdf()
-                    open(name, 'wb').write(pdf)
-            except: # Maybe should handle errors a little bit better?
-                print("Error when printing")
-                pass
-            
-            
-            if new_date != date.fromisoformat("9999-01-01"):
-                dates[link[:-1]] = new_date
-    
-    
-    pickle.dump(dates, open(os.path.join("Links", filename[:-4] + ".pickle"), 'wb'))
-
diff --git a/Astro 2021/requirements.txt b/Astro 2021/requirements.txt
deleted file mode 100644
index 2152bb0..0000000
--- a/Astro 2021/requirements.txt	
+++ /dev/null
@@ -1,36 +0,0 @@
-appdirs==1.4.4
-astropy==4.2.1
-cairocffi==1.2.0
-CairoSVG==2.5.2
-cffi==1.14.5
-chardet==4.0.0
-cssselect2==0.4.1
-dateparser==1.0.0
-defusedxml==0.7.1
-distlib==0.3.1
-filelock==3.0.12
-html5lib==1.1
-htmldate==0.8.1
-lxml==4.6.3
-numpy==1.20.2
-packaging==20.9
-pdfkit==0.6.1
-Pillow==8.2.0
-pluggy==0.13.1
-py==1.10.0
-pycparser==2.20
-pyerfa==1.7.3
-pyparsing==2.4.7
-Pyphen==0.10.0
-python-dateutil==2.8.1
-pytz==2021.1
-regex==2021.4.4
-six==1.15.0
-tinycss2==1.1.0
-toml==0.10.2
-tox==3.23.0
-tzlocal==2.1
-urllib3==1.26.4
-virtualenv==20.4.4
-WeasyPrint==52.5
-webencodings==0.5.1