A gigantic collection of stars, dust and gases held together by gravity is known as

  • solar system
  • galaxy
  • cluster
  • comet

Stars produce

  • light only
  • heat and light
  • heat, light and sound
  • heat, light, sound and radiations

"Sirius-A" is a

  • yellow star
  • white dwarf
  • blue giant
  • red supergiant

The diameter of each dish of separate aerial telescope is

  • 20m
  • 25m
  • 30m
  • 35m

The way of collecting facts about sun is also sending satellites

  • to heaven
  • on sun
  • to space
  • to earth

Ancient name of constellations refer to

  • 77 areas
  • 88 areas
  • 99 areas
  • 66 areas

The 'sun' is about

  • 5,000 years old
  • 5 million years old
  • 5 billion years old
  • 5 trillion years old

The study of 'constellations' and their movement is known as

  • astronomy
  • airspace technology
  • astrology
  • codicology

The 'Hubble telescope' is

  • in space
  • on an island
  • on a mountain
  • on an Iceland

In a plane mirror, light is reflected through

  • eyepiece lens
  • convex lens
  • concave lens
  • light mirror

Which is the most common type of galaxy in the universe?

  • spiral galaxy
  • irregular galaxy
  • elliptical galaxy
  • regular galaxy

The rarest type of the 'galaxy' is

  • peculiar galaxy
  • lenticular galaxy
  • irregular galaxy
  • spiral galaxy

As the earth rotates, we can see the stars moving anticlockwise around

  • Sirius
  • Polaris
  • Black Eye
  • Sun

The gas that is considered as "fuel of sun" is

  • helium
  • hydrogen
  • oxygen
  • nitrogen

By about every billion years, the brightness of the sun has been increasing up to

  • 10 times
  • 100 times
  • 1000 times
  • 10000 times

Without sun, the solar system would not

  • exist
  • rotate
  • move
  • maintain its temperature

'SOHO' will take the pictures and send them back to

  • Moon
  • Mars
  • Earth
  • Sun

The three shapes of the galaxies are

  • spiral, regular and irregular
  • spiral, elliptical and regular
  • spiral, elliptical and irregular
  • elliptical, regular and irregular

The shape of elliptical galaxies is like a

  • half egg
  • flattened ball
  • jellyfish
  • sea shell

'SOHO' will study the

  • inner core of the Sun
  • outer layer of the Sun
  • mantle of the sun
  • crust of the sun

You can observe that the sun, moon and other planets seem to move through

  • twelve constellations during a year
  • six constellations during a year
  • three constellations during a year
  • one constellations during a year

The eyepiece lens bends the light towards

  • eyes
  • eye filters
  • eye effectors
  • sharpness reducers

Big stars like red supergiant live much

  • longer
  • shorter
  • brighter
  • better

The disc contains a huge bulge in the

  • border
  • outline
  • middle
  • edges

Clumps join to make

  • large galaxies
  • large stars
  • large planets
  • large clusters

Our universe came into bieng in result of mass

  • explosion
  • evaporation
  • expansion
  • escalation

The energy is produced in the form of

  • heat only
  • light only
  • heat and light
  • heat, light and sound

The light is reflected into a

  • small concave mirror
  • large convex mirror
  • small convex mirror
  • small plane mirror

From ancient times, people have been trying to understand how earth had fit into

  • space
  • atmosphere
  • galaxy
  • solar system

The largest separate aerial telescope is located in

  • America
  • New Mexico
  • Canada
  • Brazil
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