Regents Earth Science -Astronomy Review

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or part of the Sun's light.

Front

When can a solar eclipse be observed from Earth?

Back

A solar eclipse can be observed when the Moon is in the correct position, specifically when it is directly between the Earth and the Sun.

Front

How does the Moon's distance from Earth affect tides?

Back

As the Moon moves away from Earth, the difference between high tide and low tide will become smaller.

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, stating that it began approximately 13.8 billion years ago from a singularity.

Front

What is nuclear fusion?

Back

Nuclear fusion is the process by which two atomic nuclei combine to form a heavier nucleus, releasing energy; this is how stars produce energy.

Front

What part of the Moon do we see from Earth?

Back

We see the same side of the Moon from Earth due to synchronous rotation.

Front

What is the significance of the Moon's gravitational pull on Earth?

Back

The Moon's gravitational pull is responsible for the tides on Earth.

Front

What is the difference between a solar and lunar eclipse?

Back

A solar eclipse occurs when the Moon blocks the Sun, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the Moon.

Front

What is the role of gravity in the formation of celestial bodies?

Back

Gravity pulls together gas and dust in space to form stars, planets, and other celestial bodies.

Front

What is the life cycle of a star?

Back

A star's life cycle includes stages such as nebula, main sequence, red giant, and supernova or white dwarf.