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
What causes the colors in a nebula?
Different gases and the light 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
Fill-in-the-blank:
A ________ nebula is created when a massive star explodes.
Supernova
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