Astronomy and Atmospheres

The gas composition of Mercury includes

• Nitrogen and Oxygen

• Carbon dioxide and Helium

• Sulphuric acid

• No atmosphere

That which refers to the entire limitless expanse of space and beyond is the

• Outer Space

• Universe

• Black hole

• Atmosphere

The natural body that act as a satellite for the planets in our solar system is called

• Moon

• Sun

• Star

• Planets

The planet with the most number of moons is

• Venus

• Neptune

• Saturn

• Jupiter

Scientists who travel into space in a space rocket in order to closely observe our universe are called

A gap that is existing between the inner and outer planets and is filled with moving rocks and ice is called the

• Meteorite

• Asteroids

• Asteroid belt

• Comets

Which of the natural bodies s made of ice and moves with great speed such that it appears like a tailed star?

Scientists who devote their lives to the study of natural bodies in space are called

• Asteroids

• Astronomy

• Astronomers

• All of the above

Which of these natural objects are known to have cause serious disasters like tsuanmi to man?

• Meteorites

• Comets

• Asteroids

• Meteor showers

One of these is not a tool used by astronomers to observe heavenly bodies?

• Binoculars

• Stethoscopes

• Spectrometer

• Telescopes