According to the ______________ theory, the universe began from a single point 13.7 billion years ago
Fill in the blank(s) with correct word
Big Bang
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You are heating a jar full of hydrogen and observing its spectrum. If you add more hydrogen to the jar, the position of spectral lines will change.
Answer the following statement true (T) or false (F)
Dark matter does not affect galaxy collisions
Indicate whether the statement is true or false
In tropical areas of the world where refrigeration is not readily available, people store water in unglazed clay pots. This makes the water stay at a cool temperature, much cooler than the ambient temperature. How is that possible?
What will be an ideal response?
A small dense object is suspended from the rear view mirror in a car by a lightweight fiber. As the car is accelerating at 1.90 m/s2, what angle does the string make with the vertical?