Exploring Stars and Space Phenomena

What is the term used to describe the pressure exerted by light or other electromagnetic radiation on objects?

• Gravitational pressure

• Radiation pressure

• Atmospheric pressure

• Magnetic pressure

Which type of star is known for being in a stable phase of its life cycle?

• Red giant

• White dwarf

• Stable star

• Neutron star

What is the term for a star that has expanded and cooled, resulting in a large, reddish appearance?

• Main sequence star

• Red giant

• White dwarf

• Black hole

What is the name of the phase in a star's life cycle where it is fusing hydrogen into helium in its core?

• Red giant

• Main sequence

• Planetary nebula

• Black hole

What is the term for the outer layers of a star that are ejected into space, forming a glowing shell of gas?

• Black hole

• Red giant

• Planetary nebula

• Main sequence

What is the term for a region in space where the gravitational pull is so strong that nothing, not even light, can escape?

• Red giant

• Black hole

• Planetary nebula

• Main sequence

What is the term used to describe the phenomenon where light from an object moving away from the observer is shifted to longer wavelengths?

• Blueshifted

• Redshifted

• Doppler effect

• Hubble constant

What effect explains the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source?

• Hubble constant

• Cosmic microwave background

• Doppler effect

• Redshifted

What is the name of the constant that describes the rate of expansion of the universe?

• Hubble constant

• Cosmic microwave background

• Doppler effect

• Redshifted

What is the term for the faint glow of radiation that fills the universe and is a remnant from the early stages of the universe?

• Hubble constant

• Cosmic microwave background

• Doppler effect

• Redshifted