Lesson 1 Solar System Objects
Which planet is missing from the sequence?
Mercury, Venus, __________, Mars
Earth
The sun is a __________ body that is much larger than anything else in our solar system.
Gaseous
If you had an optical telescope you would be able to collect and focus what?
Visible light
If blue stars are hottest, then _____ stars are the coolest
Red
What word is missing in the following sequence?
Planet, _________, galaxy, universe
Solar system
These are pieces of rock that strike the surface of a moon or planet.
Meteorites
The ________ looks like a halo around the sun; this is the outermost layer of the sun.
Corona
What is another term for the colors that are seen when light is shone through a prism?
A _____ is a large cloud of gas and dust in space.
Nebula
An enormous explosion known as the _____________
created and expanded the universe.
Big Bang Theory
The _________________ unit is based on the average distance between the center of the sun and the center of Earth.
Astronomical
What two elements make up the composition of the sun?
Hydrogen & helium
The range of wavelengths of
electromagnetic waves is called a ____________.
The gravity here is so strong that nothing is able to escape it.
Black hole
What are the four types of galaxies?
Spiral, Elliptical, Irregular, Quasars
True or False: The shape of orbit for every planet is triangular shaped.
If false what is the correct answer?
False; Ellipse
A region of strong magnetic activity on the photosphere is called a __________.
Sunspot
What is the distance between two corresponding parts of a wave, such as distance between two crests?
Wavelength
A ______ is the result of a low mass star ending its life.
White dwarf
binary
Which of the following planets does not have a ring system: Neptune, Saturn, Uranus, Jupiter
Neither. They all have ring systems
corona, chromosphere,_____________, convection zone, radiative zone, core
Photosphere
Most of the information that we have received about space has been collected by _______ __________.
Space probes
How do scientists use light-years?
to measure distance between objects in space