Everyday Science

There are about ______ asteroids.

A. 200000

B. 100000

C. 500000

D. 20000

Some asteroids have diameter about Km.

A. 2000

B. 3000

C. 1000

The following asteroids can be seen from earth without Telescope.

A. Ceres

B. Vesta

C. Both ‘a’ and ‘b’

D. None of these

The largest ever asteroid discovered Ceres, has a diameter about _____ km.

A. 933

B. 980

C. 1000

D. 500

Most asteroids complete one orbit around the sun in about _______ earth years

A. 6

B. 5

C. 9

D. 10

Smaller, icy celestial bodies revolving around the sun are called?

A. Asteroids

B. Comets

C. Stars

D. None of these

When a Comet approach sun, some of ice turn into?

A. Ice

B. Water

C. Gas

D. None

Bright ball with long shiny tail is created by?

A. Comets

B. Asteroids

C. None of these

A comet has the following parts

A. Head

B. Comma

C. Tail

D. All of these

The head is formed from ?

A. Ice particles

B. Gas

C. Both ‘a’ and ‘b’

D. None of these

On reaching near Sun, head of Comet, releases gases forming a large circular cloud called

A. Coma

B. Head

C. Tail

D. None

Halley’s is name of?

A. Comet

B. Asteroid

C. None

Halley’s Comet can be seen after every _______ years. .

A. 70

B. 76

C. 80

D. 90

Halley’s Comet appeared last time in?

A. 1986

B. 1990

C. 2000

D. 1960

Halley’s Comet next appearance is expected in?

A. 2060

B. 2030

C. 2062

D. 2090

People saw Halley’s Comet in what shape?

A. Long haired star

B. Blade of Sword

C. Dragon with Multiple tails

D. All of these

Small solid body made of rocks and iron is called?

A. Comet

B. Asteroid

C. Meteor

D. None of these

When ______ enters earth’s atmosphere, it burns with light making visible track

A. Meteor

B. Asteroid

C. Comet

D. None of these

Most Meteor entering earth’s atmosphere burn up about _____ km.

A. 500-600

B. 50-100

C. 800

D. 900

______ are known as fireballs, having luminous head and tail and occurs singly.

A. Bolides

B. Brilliant meteors

C. Meteors

D. None of these