All inner planets have a _______ surface.
Rocky
What is the largest object in our solar system?
Sun
Which two properties does the H-R diagram use to classify stars?
Surface temperature and absolute brightness
In this star system, one star sometimes blocks the light from another.
Eclipsing binary
What are the 4 types of galaxies?
Spiral, elliptical, irregular, and quasars
All gas giants are surrounded by ________.
Rings
What happens in the core layer of the sun's interior?
Nuclear fusion produces energy
This theory suggests the an explosion began the universe.
Big Bang
What will the sun eventually become?
A white dwarf
Rings surrounding gas giants are made up of small particles to very large chunks of _____ and ______.
Ice and dust
This technology makes it possible for people to live and work in space for long periods?
Space station
A ____ forms when ____ pulls together the gas and dust in the densest part of the Nebula.
What is matter that does not give off electromagnetic radiation?
Dark matter
Identify a spacecraft operated by humans that helped add to our knowledge of space.
Eagle, Skylab, Apollo 11, ISS
One astronomical unit (AU) is equal to the distance from _____ to ______.
Earth - Sun
What is a major advancement and advantage that more modern space shuttles have compared to earlier space probes and capsules?
Space shuttles can be used more than once
Fill in the blank of the life span of a high-mass star:
Protostar -> High-mass star -> Supergiant -> _______ -> ________
Supernova -> Pulsar or Neutron Star
Which has more stars: open clusters or globular clusters?
globular clusters
The farther a planet from the sun, the ____ the planet's year is.
longer
This planet is approximately 10 AU from the sun.
Saturn
Telescopes work by collecting and focusing different forms of ____ radiation.
Electromagnetic
A star that is yellow, has high absolute brightness and a surface temperature of approximately 6,000K would be classified as a _______.
Supergiant
What is the hierarchy of the universe, beginning with stars?
Star
Star system
Star cluster
Galaxy
Universe
What type of galaxy is our solar system located in and what is the name of the galaxy?
Spiral - Milky Way