Astronomy vs. Astrology

Astronomy - ______________ ________________________________________________________________________________________________ Astrology – ______________ ________________________ The branch of science dealing with the objects and phenomena that lie beyond the Earth’s atmosphere. mythical belief that stars rule your life

Why is Astrology not a science? The star patterns that from constellations have ____________________________________________ different meaning in different cultures.

___________ – a pattern in the sky made from a subset of stars within an official constellation or a pattern in the sky made from stars that are in different constellations. Asterism

Constellation Asterism Ursa Major Big Dipper

Winter Triangle

2. Over 100,000 years the placement of stars change ___________ – slow conical motion of the Earth on its axis cause by the gravity of the Sun and Moon on the Earth “Signs” off by 1 month Precession

12 Astrology uses ___ zodiac constellations, when there are actually ____. 13 Ophiuchus “The Serpent Holder” Dec 1st – Dec 19th Not included

Ophiuchus

12 Zodiac Signs in Horoscopes

13 Zodiac Signs

Constellation vary in _____. - The Sun spends different amounts of time in each constellation. - From ___ to ____ days size 45 7

Constellation Dates Number of Days Sagittarius Dec 18 - Jan 18 32 Capricorn Jan 19 - Feb 15 28 Aquarius Feb 16 - Mar 11 24 Pisces Mar 12 - Apr 18 38 Aries Apr 19 - May 13 25 Taurus May 14 - Jun 19 37 Gemini Jun 20 - Jul 20 31 Cancer Jul 21 - Aug 9 20 Leo Aug 10 - Sep 15 37 Virgo Sep 16 - Oct 30 45 Libra Oct 31 - Nov 22 23 Scorpius Nov 23 - Nov 29 7 Ophiuchus Nov 30 - Dec 17 18

weak Gravity is _________ at great distances.