From 6b93f11c9a7d35b0412e4314e701ca01cd5b3277 Mon Sep 17 00:00:00 2001
From: ulaulaman <gianluigi.ulaula@gmail.com>
Date: Sun, 5 Jul 2020 14:28:57 +0200
Subject: [PATCH] The Sun and its neighbours: english and italian version

---
 astronomy/pdf/sun_neighbours_en.pdf | Bin 0 -> 9136 bytes
 astronomy/pdf/sun_neighbours_it.pdf | Bin 0 -> 8660 bytes
 astronomy/sun_neighbours_en.tex     |  63 ++++++++++++++++++++++++++++
 astronomy/sun_neighbours_it.tex     |  63 ++++++++++++++++++++++++++++
 4 files changed, 126 insertions(+)
 create mode 100644 astronomy/pdf/sun_neighbours_en.pdf
 create mode 100644 astronomy/pdf/sun_neighbours_it.pdf
 create mode 100755 astronomy/sun_neighbours_en.tex
 create mode 100755 astronomy/sun_neighbours_it.tex

diff --git a/astronomy/pdf/sun_neighbours_en.pdf b/astronomy/pdf/sun_neighbours_en.pdf
new file mode 100644
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diff --git a/astronomy/sun_neighbours_en.tex b/astronomy/sun_neighbours_en.tex
new file mode 100755
index 0000000..5aa0734
--- /dev/null
+++ b/astronomy/sun_neighbours_en.tex
@@ -0,0 +1,63 @@
+\documentclass{standalone}
+%
+\usepackage{tikz}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{decorations.text}
+%
+\usepackage{tkz-euclide}
+\usetkzobj{all}
+\usepackage{xcolor}
+\definecolor{mars}{HTML}{DC7B4E}
+\definecolor{moon}{HTML}{AFAFAF}
+\definecolor{lsb}{HTML}{D8603E}
+\definecolor{starname}{HTML}{295f48}
+%
+\usepackage{fontspec}
+\setmainfont{Open Dyslexic}
+%
+\title{The Sun and its neighbours}
+\begin{document}
+	\begin{tikzpicture}[background rectangle/.style={fill=black},show background rectangle]
+		\begin{scope}
+			\node at (0,0) {\textcolor{white}{\fontsize{32}{33}\selectfont The Sun and its neighbours}};
+		\end{scope}
+		\begin{scope}[shift={(0,-15)}]
+			\tkzDefPoint(0,0){S}
+			\tkzDefPoint(0,12){B}
+			\tkzDefPoint(-1.5,14.5){Bu}
+			\tkzDefPoint(0,8.6){AC}
+			\tkzDefPoint(0,9.6){ACu}
+			\tkzDefPoint(0,8.6){PC}
+			\tkzDefPointBy[rotation= center S angle 45](B) \tkzGetPoint{B1}
+			\tkzDefPointBy[rotation= center S angle 45](Bu) \tkzGetPoint{Bu1}
+			\tkzDefPointBy[rotation= center S angle -30](AC) \tkzGetPoint{AC1}
+			\tkzDefPointBy[rotation= center S angle -30](ACu) \tkzGetPoint{ACu1}
+			\tkzDefPointBy[rotation= center S angle -35](PC) \tkzGetPoint{PC1}
+			%
+			\def\myshift#1{\raisebox{-2.5ex}}
+			\draw [fill=white] (S) circle (1cm);
+			\draw [ultra thick, dashed, color=white] (S) circle (3cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|Oort's Cloud}}},rotate around={-90:(S)}] (S) circle (3.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (4cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|2 light years}}},rotate around={-90:(S)}] (S) circle (4.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (8cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|4 light years}}},rotate around={-90:(S)}] (S) circle (8.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (12cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|6 light years}}},rotate around={-90:(S)}] (S) circle (12.5cm);
+			%
+			\draw [fill=lsb] (B1) circle (0.2cm);
+			%
+			\node (example-textwidth-2) [align=right, text width=7cm, color=starname, font=\fontsize{15pt}{16pt}\selectfont] at (Bu1) {Barnard' star};
+			%
+			\draw [fill=yellow] (AC1) circle (0.5cm);
+			\draw [fill=mars] (PC1) circle (0.2cm);
+			%
+			\node (example-textwidth-2) [align=center, text width=7cm, color=starname, font=\fontsize{15pt}{16pt}\selectfont] at (ACu1) {Alpha Centauri};
+			%
+			\node (example-textwidth-2) [align=right, text width=9cm, color=starname, font=\fontsize{13pt}{14pt}\selectfont] at (PC1) {Proxima Centauri};
+		\end{scope}
+	\end{tikzpicture}
+\end{document}
\ No newline at end of file
diff --git a/astronomy/sun_neighbours_it.tex b/astronomy/sun_neighbours_it.tex
new file mode 100755
index 0000000..9f3b394
--- /dev/null
+++ b/astronomy/sun_neighbours_it.tex
@@ -0,0 +1,63 @@
+\documentclass{standalone}
+%
+\usepackage{tikz}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{decorations.text}
+%
+\usepackage{tkz-euclide}
+\usetkzobj{all}
+\usepackage{xcolor}
+\definecolor{mars}{HTML}{DC7B4E}
+\definecolor{moon}{HTML}{AFAFAF}
+\definecolor{lsb}{HTML}{D8603E}
+\definecolor{starname}{HTML}{295f48}
+%
+\usepackage{fontspec}
+\setmainfont{Open Dyslexic}
+%
+\title{Il Sole e i suoi vicini}
+\begin{document}
+	\begin{tikzpicture}[background rectangle/.style={fill=black},show background rectangle]
+		\begin{scope}
+			\node at (0,0) {\textcolor{white}{\fontsize{32}{33}\selectfont Il Sole e i suoi vicini}};
+		\end{scope}
+		\begin{scope}[shift={(0,-15)}]
+			\tkzDefPoint(0,0){S}
+			\tkzDefPoint(0,12){B}
+			\tkzDefPoint(-1.5,14.5){Bu}
+			\tkzDefPoint(0,8.6){AC}
+			\tkzDefPoint(0,9.6){ACu}
+			\tkzDefPoint(0,8.6){PC}
+			\tkzDefPointBy[rotation= center S angle 45](B) \tkzGetPoint{B1}
+			\tkzDefPointBy[rotation= center S angle 45](Bu) \tkzGetPoint{Bu1}
+			\tkzDefPointBy[rotation= center S angle -30](AC) \tkzGetPoint{AC1}
+			\tkzDefPointBy[rotation= center S angle -30](ACu) \tkzGetPoint{ACu1}
+			\tkzDefPointBy[rotation= center S angle -35](PC) \tkzGetPoint{PC1}
+			%
+			\def\myshift#1{\raisebox{-2.5ex}}
+			\draw [fill=white] (S) circle (1cm);
+			\draw [ultra thick, dashed, color=white] (S) circle (3cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|Nube di Oort}}},rotate around={-90:(S)}] (S) circle (3.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (4cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|2 anni luce}}},rotate around={-90:(S)}] (S) circle (4.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (8cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|4 anni luce}}},rotate around={-90:(S)}] (S) circle (8.5cm);
+			%
+			\draw [ultra thick, color=white] (S) circle (12cm);
+			\path [postaction={decorate,decoration={raise=-1ex,text along path, reverse path,text align=center, text={|\huge\color{white}\fontsize{17}{18}|6 anni luce}}},rotate around={-90:(S)}] (S) circle (12.5cm);
+			%
+			\draw [fill=lsb] (B1) circle (0.2cm);
+			%
+			\node (example-textwidth-2) [align=right, text width=7cm, color=starname, font=\fontsize{15pt}{16pt}\selectfont] at (Bu1) {Stella di Barnard};
+			%
+			\draw [fill=yellow] (AC1) circle (0.5cm);
+			\draw [fill=mars] (PC1) circle (0.2cm);
+			%
+			\node (example-textwidth-2) [align=center, text width=7cm, color=starname, font=\fontsize{15pt}{16pt}\selectfont] at (ACu1) {Alfa Centauri};
+			%
+			\node (example-textwidth-2) [align=right, text width=9cm, color=starname, font=\fontsize{13pt}{14pt}\selectfont] at (PC1) {Proxima Centauri};
+		\end{scope}
+	\end{tikzpicture}
+\end{document}
\ No newline at end of file