Chapter 10 Review - Astronomy Flashcards
A device which can be used to separate white light into its component colours.
Spectroscope.
The type of electromagnetic radiation that we can see.
Visible.
Our sun is one of the 100 billion stars in our __________.
Galaxy.
A type of galaxy which looks like a pinwheel.
Spiral.
This phenomenon is one of the most important pieces of evidence supporting the Big Bang theory - picked up by radio telescope as “noise”, or signal interference.
Background Radiation.
More distant galaxies are moving away from each other ________ than galaxies which are closer to Earth.
Faster.
__________ bodies are any things that can be seen in our sky, including the stars, planets, sun and moon.
Celestial.
The type of electromagnetic radiation that is produced in nuclear explosions.
Gamma.
The type of electro magnetic radiation that can give you a sunburn.
Ultraviolet.
A star cluster containing as many as 1 million stars.
Globular.
The name of our galaxy.
Milky Way.
A scientist who studies outer space.
Astronomer.
____________ radiation includes radio waves and visible light.
Electromagnetic.
A star cluster with only a few hundred to a few tens of thousands of stars.
Open.
Red shift is evidence that the universe is ________ in size.
Expanding.
The type of electromagnetic radiation that can be used to look at your bones.
X-Rays.
A galaxy with no particular shape.
Irregular.
A spherical or oval shaped Galaxy.
Elliptical.
This theory suggest that the modern universe was created as a result of a giant explosion.
Big Bang Theory.
Famous Astronomer.
Hubble.
A cloud of dust and gas in space.
Nebula.
A type of electromagnetic radiation that is a form of heat energy.
Infrared.
A type of electromagnetic radiation that we use to heat up food quickly.
Microwaves.
The change in the observed wavelength produced by an object is called the ____________ effect.
Doppler.
