Universe

Question 1

what is a Galaxy

Answer 1

a system of millions or billions of stars and planets with gases and dust particles held together by a gravitational force

Question 2

what is a star

Answer 2

Any of the various types of hot , gaseous self luminous celestial bodies whose energy is derived from the nuclear fusion reaction

Question 3

what is a constellation

Answer 3

A groups of stars forming a recognizable pattern E.G . Libra

Question 4

whatis a planet

Answer 4

a celestial object moving in a orbit around a star

Question 5

satellite

Answer 5

a celestial body moving around the planets

Question 6

which celestial object is known as dirty ice ball

Answer 6

A comet

Question 7

comet

Answer 7

A celestial object that orbits the sun . when a comet is away from the sun. it consists of nucleus a solid core of Ice , frozen gas and dust . it develops a bright tail of gas and dust when it passes near the sun

Question 8

meteoroids

Answer 8

a small rock or particle of the debris in orbit around the sun

Question 9

which astral object is known as the minor planet

Answer 9

asteriod

Question 10

what is an asteroid

Answer 10

a larde rocky body in orbit the sun. The asteroid belt is formed between the orbits of the Jupiter

Question 11

which astral object is known as shooting star

Answer 11

Meteor

Question 12

what is a meteorite

Answer 12

a meteoroids that survives falling through the atmosphere and collides with the earth surface forms a crater e,g, Reason of extinction of dinosaurs

Question 13

what is a solar system

Answer 13

The sun, asteroid, meteoroid, planets, comets form the solar system

Question 14

what are the two planets which does not have a moon

Answer 14

mercury and venus

Question 15

what is the name of the brightest and hottest planet

Answer 15

Venus

Question 16

Earth was formed around `

Answer 16

4.6 billion years ago

Question 17

which galaxy is the closest galaxy to Milky way galaxy

Answer 17

Andromeda

Question 18

Haleys comet is visible in every

Answer 18

76 years it was last visible in 1986

Question 19

what are the two planets which rotates from west to east

Answer 19

Venus and Uranus

Question 20

which planet has the highly tilted rotational axis

Answer 20

Uranus

Question 21

pole star appears stationary because it is

Answer 21

positioned close to the axis of the earth

Question 22

what is the name of the constellation which has seven stars and also known as the great dipper and the great bear

Answer 22

Ursa major which has sever stars in its constellatiion

Question 23

what is the nameof the constellation which is known a hunter constellatin

Answer 23

Orion

Question 24

what is the name ofthe constellationwhich is closer to the star sirius

Answer 24

Orion

Question 25

what is Pulsars

Answer 25

Pulsating radio stars

Question 26

Pulsars

Answer 26

Pulsars are types of neutron stars . the dead remains of massive stars , they are highly magnetised and emit a beam of eloctromagnetic radion

Question 27

what is Quasars

Answer 27

quasi stellat radio sources are extremely luminou s sources of electromagnetic energy that appear to be similiar to stars

Question 28

what is red giant

Answer 28

Red giant is lumionus giant dying star of low or intermediary madd ( roughly 0.3 - 8 solar masses 0 in the last stages of solar evolution

Question 29

what are white dwarfs

Answer 29

white dwarfs are burnt out cores of collapsed stars that like dying embers slowly cools and fades away

Question 30

Supernova

Answer 30

the explosion of a star runs out of nuclear fuel some of its mass flows into the core , finally the core is so heavy that it cant withstatnd its own gravitational force , the core collapses results in the giant supernova explosin.