Proxima Centauri, the nearest star to the Sun, exhibits an annual parallax of 0.76 arcsec. Determine the distance to Proxima Centauri in parsecs
d = 1/0.76 s = 1.3 parsecs
You might also like to view...
What is the difference between the pressures inside and outside a tire called?
A) absolute pressure B) atmospheric pressure C) fluid pressure D) gauge pressure E) N/m2
Snell's Law: Light enters glass from air. The angle of refraction will be
A. greater than the angle of incidence. B. equal to the angle of incidence. C. less than the angle of incidence.
The brakes in a car work because of __________ principle
Fill in the blank(s) with correct word
An LR circuit contains an ideal 60-V battery, a 42-H inductor having no resistance, a 24-? resistor, and a switch S, all in series. Initially, the switch is open and has been open for a very long time. At time t = 0 s, the switch is suddenly closed
How long after closing the switch will the potential difference across the inductor be 24 V? A) 1.8 s B) 2.1 s C) 1.4 s D) 1.6 s E) 1.9 s