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Planetary Science

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Sierra Flatley

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Cards in this guide (15)
Why do the planets rotate around the sun

Because they all condensed out of the same cloud of spinning dust and gas.

Which planet do most known extrasolar planets most resemble

Jupiter Neptune

The planet that most extrasolar planets resembles Jupiter.

Jupiter(apex)
Most of the confirmed Exoplanets are larger gaseous planets with large masses. These are easier to detect and confirm due to their size. They most resemble Jupiter, although many are thought to be much larger than our largest planet.

Which planet do most known extrasolar planets LEAST resemble

Mars

The inner planets such as Mars, Earth or Mercury. these are too small to identify in other systems and too close to the star.

Which is the first step in building a solar system from a solar nebula

An explosion disturbs the gas and dust in the nebula.

What were the heavier elements in the universe formed by

They were formed in supernovae.

What object is so dense that even light can not escape its gravity

That is called a "black hole".

Why do ice cubes float in drinks and water

Because ice cubes are less dense than water.

Which best describes the beginning of the big bang

A blowing of a balloon best describes the BIG BANG best

How are automatic car washes and self-serve car washes are the same

The car does get cleaned.

How do hydrogen bombs and stars both produce nuclear energy

Stars like our sun and hydrogen bombs produce energy through nuclear fusion.

Select the star life cycle that is accurate.

star of one stellar mass, red giant, planetary nebula, white dwarf

Do All of the following are reasons why astronomers have difficulty looking at distant stars except

They don't understand how redshift affects stars.

What two things balance to maintain the shape of a star

Pressure and gravity

Match each event with its description

full moon

Why do astronomers find it difficult to locate extrasolar planets with telescope

light from the they orbit makes it difficult to locate extrasolar planets with telescope

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