Flashcards 2022-02-08 Where does the definition for $1 \text{au}$ come from?? The average earth-to-sun distance.
What does the definition for $1 \text{ly}$ come from?? It’s the speed light travels per year in a vacuum.
What’s “parsec” short for?? “parallax arcsecond”
What is $1$ degree in arcminutes (READ)?? $$ 60 \text{arcminutes} $$
What is $1$ arcminutes in arcseconds (READ)?? $$ 60 \text{arcseconds} $$
What is $1$ degree in arcseconds (READ)?? $$ 3600 \text{arcseconds} $$
What is the notation for one arcminute?
2022-02-08
3 min read