Question

<br />2. Differentiate between the following, giving examples

(a) stars and constellations
(b) stars and planets
(c) terrestrial planets and jovian planets
(d) artificial and natural satellite
please do it class 8 science dav school​

Answer 1

Answer:

1. b)stars.-Stars twinkle at night.
2. planets. -Planets does not twinkle.
3. stars. -temprature is high
4. planets. -Temprature is low
5. stars. - Dot shaped
6. planets .-Sphere-shaped

Answer 2

Answer:

$\large\text{(a) \ Stars \ - \ Constellations}$

$\underline\text{Stars:-}$

1. Heavenly bodies made up of very hot gases and they produce light of their own is known as Stars.
2. Examples :

• Betalgeuse
• Rigel
• Sirius
• Sun

$\underline\text{Constellations:-}$

1. Recognisable patterns in the sky made up of stars is known as Constellations.
2. Examples:

• Cassiopeia
• Leo
• Big Dipper
• Orion

_____...

$\large\text{(b) \ Stars \ - \ Planets}$

$\underline\text{Stars:-}$

1. Heavenly bodies made up of very hot gases and they produce light of their own is known as Stars.
2. Examples :

• Betalgeuse
• Rigel
• Sirius
• Sun

$\underline\text{Planets:-}$

1. Heavenly bodies that revolve around their respective stars are known as Planets.
2. Examples :

• Venus
• Mars
• Jupiter
• Uranus

_____...

$\large\text{(c) \ Terrestrial \ - \ Jovian \ Planets}$

$\underline\text{Terrestrial \ Planets:-}$

1. Planets which are made up of mainly rocks or Planets having Rocky Surfaces are known as Terrestrial Planets.
2. Examples :

• Mercury
• Venus
• Earth
• Mars

$\underline\text{Jovian \ Planets:-}$

1. Planets made up of mainly gases are known as Jovian Planets.
2. Examples :

• Jupiter
• Saturn
• Uranus
• Neptune

_____...

$\large\text{(d) \ Artificial \ - \ Natural \ Satellites}$

$\underline\text{Artificial \ Satellites:-}$

1. Satellites which are made by humans and revolve around their respective planets (mainly Earth) are known as Artificial Satellites.
2. Examples :

• INSAT
• Hubble
• Chandra
• Spritzer

$\underline\text{Natural \ Satellites:-}$

1. Satellites which are occured naturally and revolve around their respective planets are known as Natural Satellites.
2. Examples :

• Phobos
• Deimos
• Titan
• Triton