Question

In the demonstration, 360∘ of rotation (one full rotation) represents a sidereal day. You can actually measure the length of the sidereal day by measuring the time from when __________ crosses your meridian on one day (or night) until it crosses the meridian on the next day (or night).

Answer 1

- the star Vega

- the star Sirius

Step-by-step explanation:

You can actually measure the length of the sidereal day by measuring the time from when - the star Vega

- the star Sirius

crosses your meridian on one day (or night) until it crosses the meridian on the next day (or night).