What does the atmosphere of mars mainly consist of?
The atmosphere of mars mainly consists of carbon dioxide
Short Q & A
What does the core region of earth contain?
The core region of earth contains molten mass consisting of iron, magnesium, silica, etc
Which layer of the atmosphere protects us from ultraviolet rays of sun?
Ozone layer of the atmosphere protects us from ultraviolet rays of sun
Name the two planets which do not have natural satellites.
Mercury and Venus do not have natural satellites
Why does the sun rise in the west on Venus?
The sun rises in the west on Venus because unlike other planets Venus spins in the opposite direction (i.e. from east to west).
What does the atmosphere of Venus contain?
The atmosphere of Venus contains carbon dioxide gas.
Mention the day and night temperatures of Mercury.
The day temperature of mercury is about 427°C and its night temperature is about (-173) °C.
Mention the names of terrestrial planets.
Mercury, Venus, Earth and Mars are the terrestrial planets
Which two elements are chiefly the constituents of sun?
Hydrogen and helium are chiefly the constituent elements of sun
What is the mass of sun?
The mass of sun is about 1.99 x 1030 kg