Astronomy

Constellations of the Zodiac Any Person Attempting To Get Constellations Le_Ve_L Should See Chemist (Aquarius,Pices,Aries,Taurus,Gemini,Cancer,Leo,Virgo,Libra,Scorpio,Sagittarius,Capricorn)Doubles alphabetical excepting S Note: Aquarius starts in January: Aries is the first zodiac sign Brightest Stars Serious Canapes Al-Right: Arctic Vegetables Cap Rigidly Processed Betel-juice Atchar (Sirius,Canopus,Al Rijil,Arcturus,Vega,Capella,Rigel,Procyon,Betelgeuse,Achenar) Constellations Number: 88 (= keys on Piano) Finally ratified in 1930 Brightest: Crux Most Stars: Centaurus - 101 stars Largest: Hydra (Sea Serpent) - 3.16% of sky ‘Little’: Bear, Dog, Horse, Lion Crux (Southern Cross) Stars: a - Acrux, b - Mimosa, c - Gacrux Separated from Centaurus in 1679 by Augustine Roger On flags: 5 stars Australia, Christmas Island, PNG, Samoa 4 stars New Zealand Pointers: a & b Centauri - Al Rijil & Hadar Celestial South approximately 4 x long axis extended beyond Acrux Closest Star outside Solar System Proxima Centauri (a Centauri C) - 4.24 l.y.  Measurement (Approximate) Light Year 9.46 x 1015 metres 63,000 x Distance Earth to Sun Earth to Sun 150 million Km 93 million miles Speed of Light 300 million m/s Sunlight to earth 500 secs - 8 1/3 minutes Planets in Solar System Men Very Easily Make Jumbo Sandwiches Urgently - Neglecting Plates (Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune,Pluto)Lately it has been decided that Pluto is not a planet. But I was brought up in an older era. Approximate average distances from Sun in million Km: 50 100 150 200 750 1500 3000 4500 6000 Diff: 50 50 50 550 750 1500 1500 1500 Asterisms (Smaller star groups in Constellations) Big Dipper in Ursa Major Little Dipper in Ursa Minor Keystone in Hercules Pleiades in Taurus Saucepan in Orion