Galaxies Galore
What is the name of our galaxy?
The Milky Way
What tool do astronomers use to see distant galaxies?
A telescope
What is a black hole?
A region in space where gravity is so strong, nothing can escape
What is an exoplanet?
A planet that orbits a star outside our solar system
What is a nebula?
A giant cloud of gas and dust where stars are born
Fill-in-the-blank:
The ________ Galaxy is our closest galactic neighbor.
Andromeda
Fill-in-the-blank:
Galaxies often contain billions of ________.
Stars
MCQ:
What forms when a massive star collapses?
A) A comet B) A black hole C) A planet D) A nebula
B) A black hole
MCQ:
Which telescope is famous for finding thousands of exoplanets?
A) Kepler B) Hubble C) Chandra D) Voyage
A) Kepler
MCQ
Which type of nebula shines because it reflects light from nearby stars?
A. Emission nebula
B. Reflection nebula
C. Dark nebula
D. Planetary nebula
B. Reflection nebula
Explanation: Reflection nebulae appear blue because they scatter starlight from nearby stars.
True/False:
All galaxies are spiral-shaped.
False
MCQ:
Which of the following is NOT a type of galaxy?
A) Elliptical B) Spiral C) Circular D) Irregular
C) Circular
True/False:
Light can escape a black hole.
False
Fill-in-the-blank:
The “Goldilocks Zone” refers to where it’s ________ for life.
Just right
MCQ:
What gives reflection nebulae their blue color?
A) Oxygen gas B) Scattered starlight C) Hydrogen fusion D) Radio waves
B) Scattered starlight
MCQ:
What holds a galaxy together?
A) Electricity B) Magnetism C) Gravity D) Light
C) Gravity
MCQ
Which of the following types of galaxies is shaped like a flat disk with spiral arms?
A) Elliptical Galaxy
B) Irregular Galaxy
C) Spiral Galaxy
D) Ring Galaxy
C) Spiral Galaxy
True/False:
You can see a black hole with a regular telescope.
False
MCQ:
What’s a rogue planet?
A) A moon B) A hot planet C) A planet without a star D) A dying star
C) A planet without a star
True or False
Stars form in molecular clouds, also known as stellar nurseries.
True
Explanation: Molecular clouds are dense regions of gas and dust where gravitational collapse triggers star formation.
True/False:
Andromeda is moving away from the Milky Way.
False (it’s moving toward it)
MCQ:
What is found at the center of most galaxies?
A) A red giant B) A neutron star C) A black hole D) A comet cluster
C) A black hole
MCQ:
What is the boundary around a black hole called?
A) Event horizon B) Space edge C) Light wall D) Photon belt
A) Event horizon
What is the most Earth-like exoplanet discovered so far?
Kepler-452b (as of 2023)
MCQ:
What must occur inside a protostar’s core for it to officially become a star?
A) Supernova B) Hydrogen fusion C) Collapse into a black hole D) Accretion disk formation
B) Hydrogen fusion