Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
How many meters is an AU? |
1.496 x 10^11 m. Approx 150 million km. |
|
|
How many meters is a light year? |
9.46 x 10^15 m. |
|
|
How many light years is a parsec? |
3.26 ly |
|
|
What is angular distance, and what is angular size? |
Angular distance is the separation angle between two objects. Angular size is the apparent size of the object. (Somewhat counterintuitive) |
|
|
How many arcseconds in a degree? |
3600 (60 arcminutes in a degree, 60 arcseconds in an arcminute) |
