What is an eclipse season?

What will be an ideal response?


An eclipse can occur only in a period called an eclipse season, during which the Sun is close to a node in the Moon's orbit. For solar eclipses, an eclipse season is about 32 days long. Any new moon during this period will produce a solar eclipse. For lunar eclipses, the eclipse season is a bit shorter, about 22 days. Any full moon in this period will encounter Earth's shadow and be eclipsed.

Physics & Space Science

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Which voltage is not caused by a source of emf?

a. the voltage across a charged capacitor b. the voltage across two copper-iron junctions at different temperatures c. the voltage across the terminals of a dry cell battery d. the voltage from an electric generator

Physics & Space Science

Which of these, both of the same length, has the greater electrical resistance?

A) a thick copper wire B) a thin copper wire C) both about the same D) need more information

Physics & Space Science

The constant ke, which appears in Coulomb's law formula, is equivalent dimensionally to which of the following?

a. N/C c. N/C2 b. N×m2/C2 d. N×m/C

Physics & Space Science

Solar energy is quite compatible for a major part of the U.S. because our major energy needs are for ________ energy

a. electrical b. thermal c. kinetic d. potential e. mechanical

Physics & Space Science