The moon takes _________ days to complete one revolution around the Earth.

(a)

25

(b)

26

(c)

27

(d)

28

If the Moon is appeaing in the sky today near the star Karthikai , the position of the Mon after 27 days is near the star _______.

(a)

Bharani

(b)

Karthikai

(c)

Rohini

(d)

Asvini

Telescope was invented by _______.

(a)

Han Lippershey

(b)

Galilio

(c)

Nicolus Coppernicus

(d)

Ptolomy

The galaxy containing young and hot stars is _______.

(a)

elliptical galaxy

(b)

irregular galaxy

(c)

cluster

(d)

spiral galaxy

With the launch of this satellite, ISRO became capable of launching 4 ton heavy satellites.

(a)

GSAT- 13

(b)

GSAT- 14

(c)

GSAT- 17

(d)

Way par GSAT- 19