Examlex
Although the entire universe may be much larger than our observable universe, we can see only within our observable universe. The "boundary" of our observable universe is called .
Theory of Evolution
A scientific explanation for the diversity of life, stating that species change over time through natural selection and genetic variations.
Domino Effect
A phenomenon where a change or event causes a successive series of similar changes or events.
Lev Vygotsky
A Soviet psychologist renowned for his theory on social development and the concept of the Zone of Proximal Development, emphasizing the impact of social interaction on learning.
Urie Bronfenbrenner
A psychologist known for introducing the ecological systems theory to explain how the inherent qualities of a child and the characteristics of the external environment interact to influence how the child will grow and develop.
Q7: A teaspoonful of white dwarf material on
Q11: A paperclip with the density of a
Q11: Why do stars in the disk of
Q31: If we were to learn that the
Q39: Which of the following is closest in
Q39: If the Moon rises around 3 A.M.,
Q40: Using the technique of main- sequence fitting
Q68: Briefly explain the Fermi Paradox, namely the
Q115: Could our Sun ever undergo a nova
Q128: Quasars radiate most of their energy as