els L1

What does the Steady State Theory propose?

• The universe is in a state of continuous contraction.

• The universe is constantly expanding.

• The universe was once condensed in a small particle.

• The counting of galaxies is constant.

Who announced the discovery of the 'redshift' in 1929?

• Galileo Galilei

• Isaac Newton

• Albert Einstein

• Edwin Hubble

What does the Accretion Theory describe?

• The creation of the heavens and the earth.

• The contraction of the universe over time.

• The gradual increase in size of an object due to gravity.

• The formation of galaxies from a nebula.

According to the Tidal Theory, what may have drawn gaseous materials to form planetesimals?

• The gravitational pull of the moon

• The collision of two stars

• A large body passing around the protosun

• A supernova explosion

What is the main focus of space exploration?

• To study the Earth's atmosphere

• To investigate the solar system and beyond

• To find new planets for colonization

• To observe the behavior of black holes

What does the Big Bang Theory propose about the universe?

• It was once condensed in a very small particle.

• It is in a steady state.

• It is continuously contracting.

• It was created by a large explosion.