Planetas terrestres

The video discusses rocky planets in our solar system, highlighting their structure with a metal core and rocky mantle. It also covers the discovery of exoplanets, noting that gas giants are more commonly found due to detection ease, but rocky planets have been identified since the 1990s.

What is the common structural feature of rocky planets?

• A gaseous outer layer

• A central metal core surrounded by a rocky mantle

• A liquid water surface

• A ring system

What is the primary composition of rocky planets?

• Ice and dust

• Gas and liquid

• Metal and rock

• Plasma and gas

Why are gas giants more commonly discovered than rocky planets?

• They are easier to detect

• They are closer to the sun

• They emit their own light

• They have a unique color

What is the main reason gas giants are easier to detect?

• They have a higher temperature

• They have a unique chemical composition

• They are closer to Earth

• They are larger in size

Since when have astronomers started identifying other rocky planets?

• Since the 1970s

• Since the 1980s

• Since the 2000s

• Since the early 1990s