Astronomy

Front

What is the Big Bang Theory?

Back

The Big Bang Theory posits that all of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

Front

What are the two main elements that make up the sun?

Back

Hydrogen and helium.

Front

What type of galaxy is characterized by a spiral shape?

Back

Spiral galaxy.

Front

What is interferometry in astronomy?

Back

Interferometry is the process of linking several telescopes together so they can function as one telescope.

Front

What occurs during a supernova?

Back

During a supernova, the core of a supergiant star collapses violently, and the outer portion of the star explodes.

Front

What is a black hole?

Back

A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the difference between a refracting telescope and a reflecting telescope?

Back

A refracting telescope uses lenses to gather and focus light, while a reflecting telescope uses mirrors.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages such as nebula, main sequence, red giant, supernova, and either neutron star or black hole.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion that occurs at the end of a star's life cycle.

Front

What is the observable universe?

Back

The observable universe is the part of the universe that we can see and measure, limited by the speed of light and the age of the universe.