Examlex
Spiral and irregular galaxies have active star formation.
Research Methods
Systematic approaches to conducting scientific investigations, including both qualitative and quantitative techniques.
Scientific Investigation
A methodical approach to research where scientists formulate hypotheses, collect and analyze data to draw conclusions.
Data Collection
The systematic approach to gathering and measuring information from varied sources to get a complete and accurate picture of an area of interest.
Operational Definition
A clear, precise criteria for defining a term specifically within the context of an experiment or study.
Q7: In addition to serving as the basic
Q8: The force responsible for the collapse of
Q25: The laws of physics demand that a
Q29: Degenerate matter has two peculiar properties that
Q29: The expansion of the Universe _.<br>A) was
Q52: The following objects are found in a
Q56: Dark energy is the term used to
Q76: The fact that the cosmic microwave background
Q96: Gentle tidal interactions are probably necessary to
Q110: Giant spirals are the largest galaxies in