Question

When is the Sun's right ascension (RA) 18 hours?
a. fall equinox
b. winter solstice
c. vernal equinox
d. summer solstice

Answer 1

The right answer for the question that is being asked and shown above is that: "d. summer solstice." When the Sun's right ascension (RA) 18 hours it is under the summer solstice. Summer solstice is when the longest time is the day.

Answer 2

Answer:

The correct answer is b. winter solstice!

Explanation:

According to astrology, The Sun is at 0 hours RA at the March equinox, 6 hours at the June solstice, 12 hours at the September equinox, and 18 hours at the December solstice. Hopefully this helps! Brainliest would be appreciated!