CONSTELLATION :
1.Define constellation.
2.How many constellations are there in the sky?
3.Name the largest constellation by area.
4.Name the brightest star in both northern and southern hemisphere.
5.Name the constellation which divides the northern and southern hemisphere.
DISCOVERY :
1.Who discovered the planet Saturn?
2.Who named the planet Pluto as "Pluto"?
3.Who was the first person suggested that Saturn was surrounded by a ring?
4.Who estimated the radius of VY CANIS MAJORIS as 1,800 to 2,100 solar radii?
5.Who first found the great red spot on the JUPITER ?
ANSWERS:
CONSTELLATIONS:
1. A constellation is a group of celestial bodies, usually stars, which appear to form a pattern in the sky.
A constellation is an internationally defined area of the celestial sphere.
2. It is said to be 88 , but still new constellations are discovered , so it may go about a 150.
3. HYDRA .
AREA : ( SQ.DEG) : 1302.844
4. NORTH : POLARIS
SOUTH : SIRIUS
5. ORIONS
DISCOVERY :
1. In 1610 , Galileo discovered Saturn.
2. VENETIA BURNEY ( NOW Venetia Phair)
3. In 1655, Christiaan huygens
4. professor Roberta.m.Humphreys of UNIVERSITY OF MINNESOTA.
5. ROBERT HOOKE IN 1664
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