Earth/Space Science Review

Front

What happens to the moon if Earth is removed from the solar system?

Back

The moon would move into a new orbit under the influence of the sun.

Front

What event occurs in the southern hemisphere during the summer solstice?

Back

The summer solstice is the longest day of the year in the southern hemisphere.

Front

What celestial event can you witness if the shadow of the moon falls on your location?

Back

You would witness a solar eclipse.

Front

How can you explain that Star P has a lower absolute brightness than Star Q to a non-scientist?

Back

Star Q gives off more light than Star P.

Front

What causes the changes in the location of constellations seen from one place at the same time each night?

Back

The changes are caused by Earth's orbital revolution.

Front

What is the definition of a solar eclipse?

Back

A solar eclipse occurs when the moon passes between the Earth and the sun, blocking the sun's light.

Front

What is the definition of a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the sun and the moon, causing the Earth's shadow to fall on the moon.

Front

What is the difference between absolute brightness and apparent brightness?

Back

Absolute brightness is the true brightness of a star, while apparent brightness is how bright a star appears from Earth.

Front

What is the significance of the summer solstice?

Back

The summer solstice marks the longest day of the year and the start of summer in the northern hemisphere.

Front

What is the role of Earth's rotation in the appearance of constellations?

Back

Earth's rotation causes constellations to appear to move across the sky throughout the night.