tart, because it'’s about the same size as Earth.

- Wow!

It'’s such a lovely gold color!

But I bet that'’s not what it needs to be a Goldilocks planet, is it?

- What a great question, Sydney!

Let'’s ask Face.

- Face 9000, ready to assist you.

Hello, Jet.

Do you have a question?

- Hiya, Face!

And, yes, we do!

What does a planet need to be a Goldilocks planet?

- Excellent question.

For a planet to be just right to support life, it needs the right temperature-- not too hot or too cold-- liquid water, and a breathable atmosphere.

- You mean like air that you can breathe?

- Correct, Sydney.

Some planets have atmosphere, but it'’s poisonous to breathe, or it'’s way too cold or way too hot, like Venus, for example.

It'’s hotter here because Venus is only 67 million miles from the Sun.

- Right.

The Earth is 93 million miles from the Sun.

- Very good, Sean!

- Thanks.

- But Venus is hot not only because it'’s close to the Sun.

This planet'’s atmosphere is filled with carbon dioxide gas.

This gas traps the Sun'’s heat.

- How hot does it get?

- Over 900 degrees Fahrenheit on its surface, hot enough to melt metal.

all: Whoa!

- All these qualities make Venus like the Earth'’s evil twin, although it'’s similar in size and not that much closer to the Sun.

- Okay, we'’re close enough to the evil twin.

900 degrees?

Too hot!

- [laughs] Just like the Goldilocks story.

- Okay.

Smell you later, evil twin!

[jet engines whooshing]