Astronomy Flashcard 1 - Big Bang to Planets

Front

What is the process called when a star converts Hydrogen into Helium and releases energy?

Back

Nuclear Fusion

Front

What galaxy do we live in?

Back

Milky Way

Front

Where in our solar system are MOST dwarf planets found?

Back

in the Kuiper Belt

Front

If Spectrum 'A' represents a star not moving relative to Earth, which spectrum shows a star moving towards Earth?

Back

Spectrum C

Front

What does the Hertzsprung-Russell diagram indicate about main-sequence stars?

Back

They increase in brightness as they increase in temperature.

Front

What is a nebula?

Back

A large cloud of gas and dust in space, often the birthplace of stars.

Front

What is a supernova?

Back

A powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet has cleared its orbit of other debris, while a dwarf planet has not.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, populated with many small icy bodies.

Front

What is the significance of the Doppler effect in astronomy?

Back

It helps determine whether a star or galaxy is moving towards or away from Earth.