Which characteristics can be used to differentiate star systems? Select three options
A. the number of stars in the system
B. the level of dust and gas
C. the age of the stars in the system
D. the way stars are organized in the system
E. the color of stars in the system

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

You can decrease the resistance of a length of wire by