sedna: …the first law is that a moving object will keep moving unless an external force acts upon it. this is also called the “law of inertia”…

sedna: …orion’s belt forms a perfect line to the star “sirius” in the canis majoris constellation…

sedna: …it’s important that the combustion chamber is the optimal size to have maximum propellant, but also a thrust/weight ration of over 1…

dad: sedna, why hasn’t yuri been toilet-trained yet?
sedna: it’s on my to-do list.