Celestia Forums

I have noticed a strange problem, on the program

the planets are always shown as been just one contellation before the one they should be
for example:
today Mars should be in Taurus (from Earth poin of view) but Celestia show it to me in Aries. just one contellation before it should be.
the same thing happend to all the other planets

does anyone have the same problem? how can I fix it???

When you say what constellation a planet "should" be in, what is your source?

If your source is astrology, then remember that the astrological constellations do not correspond with reality. The astrological signs were fixed about 2000 years ago, and since then precession has moved the signs backwards one whole constellation. For example, people who are "Aries" were born when the sun was roughly in Pisces.

Astrological constellations are also idealised 30-degree arcs on the sky, and again these do not correspond to reality. The real constellations vary in size, and don't include all of the 14 or 15 constellations in which the sun and planets may be found. The sun spends only six days in Scorpius, and actually spends more time in the neighbouring non-astrological sign Ophiuchus. Most planets can appear in Cetus, another non-astrological constellation, and Pluto can appear in yet more constellations.

Ohh yes!, all my sources were astrological, so that's very helpful.
Thank you very much!