Constellations and Star Spectra

Front

What is a constellation?

Back

A constellation is a group of stars that forms a recognizable pattern in the night sky.

Front

Which star is known as the brightest in the night sky?

Back

Sirius is the brightest star in the night sky.

Front

What is the emission spectrum?

Back

The emission spectrum is a spectrum of the electromagnetic radiation emitted by a source, showing the wavelengths of light emitted by atoms or molecules.

Front

What element is represented by the unknown emission spectrum in the provided question?

Back

Mercury.

Front

What is the significance of the star Polaris?

Back

Polaris, also known as the North Star, is significant for navigation as it is located nearly directly above the North Pole.

Front

Name a famous constellation that includes the stars Betelgeuse and Rigel.

Back

Orion the Hunter.

Front

What is the difference between a galaxy and a constellation?

Back

A galaxy is a massive system of stars, gas, and dust bound together by gravity, while a constellation is a pattern of stars as seen from Earth.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system, characterized by its spiral shape.

Front

What are the main components of a star's spectrum?

Back

A star's spectrum typically includes absorption lines, emission lines, and a continuous spectrum.

Front

What is the role of spectroscopy in astronomy?

Back

Spectroscopy is used in astronomy to analyze the light from stars and galaxies to determine their composition, temperature, density, and motion.