Compléter A Mirror Made of MercuryVersion en ligne ........... par Tea Cher 1 telescope scientists mercury spill cheap telescope humans glass SPACE India MIRRORS Himalayas GLASS A Mirror Made of Mercury . MANY TELESCOPES USE CURVED MADE OF TO PEER INTO . A new telescope in , located high in the , uses a different kind of mirror . It ? s a spinning dish of liquid , four meters ( 13 feet ) wide . e dish holds 50 liters ( 13 gallons ) of mercury . Compared to making a mirror out of , researchers say this is a relatively way to build a space . But mercury is a substance that can have toxic effects on . This mirror can ? t tilt , as the mercury would out . So the has to stare straight up . Nevertheless , are excited to find out how well it works and what it sees .
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