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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - October 29, 1973, Lethbridge, Alberta Ask Andy SOLAR SYSTEM Andy sends a complete 20 volume set of the Merit Students Encyclopedia to Joan Loomis, age 13, of Mukwonago, Wisconsin, for her question: How old is the Solar System: When we wonder about the age of living things, we look for signs that show how long they have been around. We can count the rings in the trunk of a tree. A horse's age can be roughly estimated by the wear and tear on his teeth. Though the Solar System does not belong in the living world of nature, it has changed a great deal as it has grown older. However, its signs of aging are very hard to detect and still harder to estimate We may never know the ex- act age of the Solar System. The best that scientists can do is to estimate the age of its oldest rocks. However, we cannot be sure of finding the oldest ones What's more, nobody knows how old the Solar System was before it formed any rocks at all. All we can say is that our solar family is somewhat older than the eldest rocks we have been able to find. Rock dating is a highly specialized technique that uses radioactive isotopes Traces of these substances are found in most rocks. A radioactive substance decays at a fixed rate, as its nuclei break down and become atoms of something else. For example, after billion years exactly half the uranium atoms trapped rock sample become atoms of a lead isotope. Hence the age of a rock might be figured by comparing the proportions of uranium and lead Scientists assume that the solid planets, moons and meteors were formed when the Solar System was very very young. The oldest rocks should tell when this happened Radioactive dating shows that the oldest known earth rocks were formed more than three billion years ago But the earth is a restless planet and most of its original rocks have been broken and remodeled many times. Meteors have been traveling the spaceways of the Solar System, perhaps from the beginning. When they fall as meteorites, they can be dated. Some were formed four and a half billion years ago hence we know that the Solar System must be older than 500 million years. Another good place to look for evidence is on the weatherless moon, where some of the surface rocks have been undisturbed, perhaps from the beginning Radioactive dating has proved that some of the lunar samples are 4.6 billion years old So already we know that the Solar System must be older than million years. Questions asked by child- ren of Herald readers should be mailed to Ask Andy, P.O. Box. 765, Huntington Beach, California 92648. (Copyright Chronicle Publishing Co. 1973) Your horoscope IfJameOiKM Monday, Oetobtr 29, 1973 THE LETHBRIDQE HERALD 13 by chirlis schulz THIS IS WHAT HAPPENS ON HALLOWEEN NI6HT, Fun with figures By J. A. "What's the asked Elsie "I'm so bored with nothing to do Sam looked at his watch "Okay, this will keep you busy he told her. "The number of minutes still to go before midnight tonight is just twelve times the number of hours since midnight last night." Well? Thanks for an idea to D McCrory, Hamilton, Ontario. (Answer tomorrow) Friday's answer Curston 19 miles from the farm, 14 miles from where they were. TUESDAY, OCT. 30 Your birthday today: Much of the year is devoted to a search for a more effective way of doing things; the later months toward consolidating your gains, bringing together many scattered resources and ideas for a potentially very productive enterprise. Relationships suffer shor- tages of available time, then thrive as you get your daily life better organized. Today's natives prefer action rather than talk, often show great physical strength. ARIES (March 21-April Personal plans are apt to get bypassed while you attend the wants and needs of older people. Open, candid discus- sion is the main way to get to the core of any problems. TAURUS (April 20-May Be prepared to back any claim you make. Special studies related to memory and its im- provement are favored You may suddenly remember something you had forgotten, just in time. GEMINI (May 21-June Very early or rather late in the day are quite good for most projects you have already started The middle of the day is better spent in diversions, games, study CANCER (June 21-July Even tho you achieve quite a bit today, you aren't able to see it in full perspective Temptation is to give over serious consideration to side issues, incidental trivia. LEO (July 23-Aug. Interruptions in cooperation are normal; recognize this early and carry on without relying on ready enthusiasm. Communication among your regular associates is also sub- ject to delay.____________ VIRGO (Aug. 23-Sept. Caution with financial moves is suggested, with special care to avoid getting involved in discussions of your friends' dealings Romantic ventures get serious. LIBRA (Sept. 23-Oct. The morning flies by swiftly, with nothing much done until late in the day. Then it will be time for firm decisions based on what you want, rather than what is expected of you SCORPIO (Oct. 23-Nov. Emphasis passes from what you have to what you are do- ing with it. You are subject to public comment, and may not like it. Nothing is gained in trying to answer criticism. SAGITTARIUS (Nov. 22- Dec. All speculative un- dertakings come alive, including some you'd thought finished and gone. Aside from putting good money after bad, there's little you can do with them at all CAPRICORN (Dec. 22-Jan. Your energy runs high and you should make special efforts to push new projects Get as much done as you can, figure out a stopping point for today and a testing period for tomorrow. AQUARIUS (Jan. 20-Feb. There is a premium on sharp listening, the willingness to hear strange in- formation Perhaps your friends would like to tell you something and don't know how PISCES (Feb. 19-March Investment now should be in matters where you have the controlling voice, instead of large group enterprises where it's difficult to keep track of management. 1973, The Chicago Tribune 6R6AT PUMPKIN RISES OUT OF fH6 PUMPKIN PATCH, ANP RIES THE AIR ANP 6KIN65 TON'S TO ALL THE CHIUKBN INTHEWORLP! _22, SHORT RIBS bylrinko'nul Afi JONES. I'M OUT OP OUT OP PAPERS "3 MOW CAN 1 PIND OUT ABOUT -TWE LATEST WITHOUT A PAPER? BLONOIE by chic young I'VE HEARD OF PEOPLE READING TEA LEAVES, BUT NEVER J> (COFFEE GROUNDS I WRAPPED THE COFFEE GROUNDS IN IT BEETLE BAILEY by mcrt walker r Lawrence Lamb M.D. I'M PRACTICING ON BEETLE. HE THE QUICKER THAN THE EVE Goren on Bridge BY CHARLES H.GOREN TM CHicno Tribunt BRIDGE QUIZ ANSWERS Q. vulnerable, as South you hold: VAK1095 OAQ1065 The bidding has proceeded: South West North East 1