diff --git a/graphics/comet.tex b/graphics/comet.tex
new file mode 100644
index 0000000..176eb31
--- /dev/null
+++ b/graphics/comet.tex
@@ -0,0 +1,106 @@
+\documentclass{standalone}
+%
+\usepackage{tikz}
+\usetikzlibrary{backgrounds}
+\usepackage{tkz-euclide}
+%
+\usepackage{xcolor}
+%
+\definecolor{space}{HTML}{1F2C4E}
+\definecolor{moon}{HTML}{AFAFAF}
+\definecolor{craterm}{HTML}{616060}
+\definecolor{linem}{HTML}{DBDBDB}
+\definecolor{earth}{HTML}{0089FA}
+%
+\title{A comet}
+\begin{document}
+	\tikzset{
+		partial ellipse/.style args = {#1:#2:#3}{insert path={+ (#1:#3) arc (#1:#2:#3)}},
+	}
+	\begin{tikzpicture}[background rectangle/.style={fill=space},show background rectangle]
+		%
+		\begin{scope}[rotate around={-45:(0,0)}]
+			\tkzDefPoint(15,-0.2){L}
+			\tkzDefPoint(6.2,0){L1}
+			\tkzDefPoint(15,8.8){L2}
+			\tkzDefShiftPoint[L1](0:17.6){La1}
+			\tkzDefShiftPoint[L1](0:17.55){La2}
+			%
+			\draw [color=earth!50!white, fill=earth!50!white] (13.4,12) [partial ellipse=180:360:1.3 and 1] -- (15,0) -- (12,0) -- (12.1,12);
+			\draw [color=earth!50!white, fill=earth!50!white] (11,10) [partial ellipse=180:360:0.9 and 1] -- (12,0) -- (10,0) -- (10.1,10);
+			\draw [color=earth!50!white, fill=earth!50!white] (16.5,13) [partial ellipse=180:360:1.3 and 1] -- (18,0) -- (15,0) -- (15.2,13);
+			\draw [color=earth!50!white, fill=earth!50!white] (19,11) [partial ellipse=180:360:0.9 and 1] -- (20,0) -- (18,0) -- (18.1,11);			
+			\draw [line width=8mm, color=earth!50!white] (L) -- (15,20);
+			\draw [color=earth!50!white, fill=earth!50!white] (15,20) circle (4mm);			
+			\draw [line width=6mm, color=earth!50!white] (12,0) -- (12,18);
+			\draw [color=earth!50!white, fill=earth!50!white] (12,18) circle (3mm);
+			\draw [color=earth!50!white, fill=earth!50!white] (12,19) circle (1.5mm);
+			\draw [line width=6mm, color=earth!50!white] (10,0) -- (10,15);
+			\draw [color=earth!50!white, fill=earth!50!white] (10,15) circle (3mm);
+			\draw [line width=6mm, color=earth!50!white] (20,0) -- (20,12);
+			\draw [color=earth!50!white, fill=earth!50!white] (20,12) circle (3mm);
+			\draw [color=earth!50!white, fill=earth!50!white] (20,13) circle (1.5mm);
+			\draw [color=earth!50!white, fill=earth!50!white] (18,16) circle (3mm);
+			\draw [line width=6mm, color=earth!50!white] (18,0) -- (18,16);
+			\draw [color=earth!50!white, fill=earth!50!white] (9,7) circle (1.5mm);			
+			%
+			\draw [color=earth!50!white, fill=earth!50!white] (7,-4.4) circle (3mm);
+			\draw [color=earth!50!white, fill=earth!50!white] (14,-9.2) circle (3mm);
+			\draw [color=earth!50!white, fill=earth!50!white] (20,-7.7) circle (3mm);
+			\tkzDrawCircle[color=earth!50!white,fill=earth!50!white,ultra thick](L,L2)
+			\tkzDrawCircle[color=moon,fill=moon,ultra thick](L,L1)
+			\tkzDrawArc[ultra thick, color=craterm, rotate](L,La1)(-170)
+			\tkzDrawArc[ultra thick, color=craterm, rotate](L,La1)(-10)
+			\tkzDrawArc[ultra thick, color=craterm, rotate](L,La2)(-168)
+			\tkzDrawArc[ultra thick, color=craterm, rotate](L,La2)(-8)
+			%
+			\tkzDefPoint(7.4,-3.6){M1}
+			\tkzDefShiftPoint[M1](0:0.15){Mr1}
+			\tkzDefShiftPoint[Mr1](0:-0.05){Ma1}
+			\begin{scope}[rotate around={30:(M1)},yscale=1.8]
+				\tkzDrawCircle[color=craterm,fill=craterm](M1,Mr1)
+				\tkzDrawArc[rotate around={220:(M1)},thick,color=linem,rotate](M1,Ma1)(40)
+			\end{scope}
+			%
+			\tkzDefPoint(20.8,4.7){M2}
+			\tkzDefShiftPoint[M2](0:0.7){Mr2}
+			\tkzDefShiftPoint[Mr2](0:-0.1){Ma2}
+			\begin{scope}[rotate around={40:(M2)},yscale=1.9]
+				\tkzDrawCircle[color=craterm,fill=craterm](M2,Mr2)
+				\tkzDrawArc[rotate around={-10:(M2)},thick,color=linem,rotate](M2,Ma2)(40)
+			\end{scope}
+			%
+			\tkzDefPoint(15.8,6.5){M3}
+			\tkzDefShiftPoint[M3](0:1.5){Mr3}
+			\tkzDefShiftPoint[Mr3](0:-0.1){Ma3}
+			\begin{scope}[yscale=0.8]
+				\tkzDrawCircle[color=craterm,fill=craterm](M3,Mr3)
+				\tkzDrawArc[rotate around={30:(M3)},thick,color=linem,rotate](M3,Ma3)(40)
+			\end{scope}
+			%
+			\tkzDefPoint(21.1,-2.8){M4}
+			\tkzDefShiftPoint[M4](0:1.5){Mr4}
+			\tkzDefShiftPoint[Mr4](0:-0.1){Ma4}
+			\begin{scope}[rotate around={20:(M4)},yscale=0.9]
+				\tkzDrawCircle[color=craterm,fill=craterm](M4,Mr4)
+				\tkzDrawArc[rotate around={-20:(M4)},thick,color=linem,rotate](M4,Ma4)(-90)
+			\end{scope}
+			%
+			\tkzDefPoint(11.8,-5){M6}
+			\tkzDefShiftPoint[M6](0:3){Mr6}
+			\tkzDefShiftPoint[Mr6](0:-0.1){Ma6}
+			\begin{scope}[yscale=0.9]
+				\tkzDrawCircle[color=craterm,fill=craterm](M6,Mr6)
+				\tkzDrawArc[rotate around={-160:(M6)},thick,color=linem,rotate](M6,Ma6)(40)
+			\end{scope}
+			%
+			\tkzDefPoint(10.5,3.4){M7}
+			\tkzDefShiftPoint[M7](0:2){Mr7}
+			\tkzDefShiftPoint[Mr7](0:-0.1){Ma7}
+			\begin{scope}[rotate around={-20:(M7)},yscale=1.3]
+				\tkzDrawCircle[color=craterm,fill=craterm](M7,Mr7)
+				\tkzDrawArc[rotate around={110:(M7)},thick,color=linem,rotate](M7,Ma7)(40)
+			\end{scope}
+		\end{scope}
+	\end{tikzpicture}
+\end{document}
\ No newline at end of file
diff --git a/graphics/pdf/comet.pdf b/graphics/pdf/comet.pdf
new file mode 100644
index 0000000..08aad15
Binary files /dev/null and b/graphics/pdf/comet.pdf differ