Examlex
Dark matter has not been observed at any electromagnetic wavelength.
Romantic Partner
An individual with whom one shares a deep personal connection and romantic or intimate relationship.
Longitudinal Research
A research design that involves repeated observations of the same variables over short or long periods of time to identify changes or developments.
Unmarried Emerging Adults
Individuals in the transition phase between adolescence and full-fledged adulthood who are not married, often exploring various life possibilities.
Churners
Customers who discontinue their use of a company's products or services and switch to those of a competitor.
Q4: Why is the light from near a
Q5: Dark matter has not been observed at
Q13: The hypernova model is one possible explanation
Q33: In the Local Group, most members are
Q54: 21- cm radio waves allow us to
Q81: Active galaxies emit most of their energy
Q82: Chandrasekhar's limit is 1.4 times the mass
Q103: What can you conclude about a Type
Q119: It is harder to map the structure
Q132: Our Sun should become a planetary nebula