12 Questions
What is the difference between absolute magnitude and apparent magnitude?
Absolute magnitude is a measure of an object's true brightness at a standard distance, while apparent magnitude is how bright an object appears from Earth.
Define a black hole in spacetime.
A region in spacetime where gravity is so strong that not even light can escape.
What is a constellation?
A group of stars that form a recognizable pattern in the night sky.
Explain the concept of parallax in astronomy.
Parallax is the apparent shift in the position of a nearby star relative to more distant stars, caused by Earth's movement around the Sun.
What is a supernova?
The explosion of a massive star at the end of its life, which can briefly outshine an entire galaxy.
Define a satellite in astronomy.
A natural object that orbits a planet or another celestial body.
A(n) ______ is a rocky leftover from the formation of our solar system, orbiting the Sun but too small to be a planet
asteroid
The ______ is the projection of Earth's equator onto the sky, dividing the northern and southern celestial hemispheres
celestial equator
A group of stars that form a recognizable pattern in the night sky, like Orion or Ursa Major (Great Bear), is called a(n) ______
constellation
The distance light travels in one year, used to measure vast astronomical distances (about 9.5 trillion kilometers), is known as a(n) ______
light-year
A giant cloud of gas and dust in space, where new stars are born or old stars die, is referred to as a(n) ______
nebula
A small, cool star with a reddish hue, the most common type of star in the Milky Way galaxy, is a(n) ______ dwarf
red
Test your knowledge on key terms in astronomy, including absolute magnitude, apparent magnitude, asteroid, black hole, and celestial equator.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
