Astronomy Challenge

What is the name of the imaginary line around which a planet rotates?

• orbit

• centerline

• axis

• spin

What is the process by which a star changes over time?

• Galactic alteration

• Stellar evolution

• Star transformation

• Celestial metamorphosis

Which type of galaxy has a distinct bulge at its center and spiral arms?

• Barred spiral galaxy

• Spiral galaxy

• Irregular galaxy

• Elliptical galaxy

What is the name given to regions in space where gravity is so strong that nothing, not even light, can escape?

• Light traps

• Gravity wells

• Dark stars

• Black holes

What is the scientific study of celestial objects and phenomena called?

• Astrology

• Biology

• Chemistry

• Astronomy

What causes the seasons on Earth?

• The distance from the sun

• The number of clouds in the sky

• The rotation speed of Earth

• The tilt of Earth's axis

What is the final stage in the life cycle of a massive star?

• Supernova explosion

• White dwarf formation

• Red giant phase

• Black hole formation

Which galaxy is part of the Local Group and is the closest to the Milky Way?

• Triangulum Galaxy

• Sombrero Galaxy

• Pinwheel Galaxy

• Andromeda Galaxy

What is the name of the point in a black hole where gravity is infinitely strong?

• Singularity

• Dark center

• Gravity core

• Black spot

What is the term for the apparent change in the position of a star due to the Earth's orbit?

• diffraction

• dispersion

• refraction

• parallax