Electromagnetic Spectrum
What type of electromagnetic radiation can we see with our eyes?
visible light
What device detects radio waves from objects in space?
radio telescope
A building that contains one or more telescopes
observatory
The apparent change in position of an object when viewed from different locations.
Parallax
What are the two main types of magnitude that describe a star's brightness?
apparent magnitude and absolute magnatude
Name the type of electromagnetic radiation that has the shortest wavelength.
gamma rays
What is the main purpose of using telescopes in astronomy?
To make far away objects look closer.
To get a clearer view of the universe without atmospheric interference, scientists use these.
space-based telescopes
How can astronomers measure the parallax angle?
By observing stars from two different points in Earth's orbit
What characteristic is used to classify a star as a neutron star, white dwarf, or supergiant?
size
What is the term for the distance between the crest of one wave and the crest of the next wave?
wavelength
Which telescope uses a curved mirror to gather and focus light?
reflecting telescope
What famous space telescope was most recently deployed?
James Webb
What is the significance of calculating the parallax angle?
To accurately measure the distance to nearby stars
What diagram do astronomers use to classify stars?
Hertzsprung-Russell diagram
What is the full range of electromagnetic radiation called?
electromagnetic spectrum
What type of telescope uses convex lenses to focus light?
refracting telescope
What is used to break light into colors and photograph the resulting spectrum?
spectrograph
What effect is observed when close objects appear to shift position against distant backgrounds?
Parallax
What does a star's color reveal about it?
Temperature
What type of radiation is used to take images of the universe beyond visible light?
xrays, infrared, and radio
What type of telescope would be found in an observatory?
optical telescope
This space telescope is 30 years old and greatly increased our understanding of the solar system and universe.
Hubble
This math is used to solve for distance to nearby stars.
trigonometry
What are the main types of galaxies?