Cosmos Review

What is a nebula?

• An old star that has burned out.

• A group of planets orbiting a star.

• A large amount of gas and dust spread out over a large area. Where stars are "born."

• A giant structure that contains dust, gases, and hundreds of billions of stars.

Tags

NGSS.HS-ESS1-3

• A
• B
• C

Find where star "A" and "B" are labeled on the diagram.  Compared to Star A, Star B is - 

• Brighter and Cooler

• Dimmer and Hotter

• Dimmer and Cooler

• Brighter and Hotter

According to the HR diagram above.  Which group of stars are in their final stages of life?

• White Dwarf

• Main Sequence

• Giant

• Super Giant

Tags

NGSS.HS-ESS1-3

What is the Big Bang theory?

• The theory that the universe is expanding at a constant rate

• The theory that the universe was created from a small, dense, and hot singularity about 13.8 billion years ago

• The theory that the universe is in a steady state and has always existed

• The theory that the universe is cyclic, with periods of expansion followed by contraction

Tags

NGSS.HS-ESS1-2

What is the cosmic microwave background radiation?

• Radiation from the earliest stars in the universe

• Radiation emitted by black holes

• The afterglow radiation from the Big Bang, permeating the universe

• Radiation from the sun and other stars in our galaxy

Tags

NGSS.HS-ESS1-2

Which of the following is a characteristic feature of the outer planets (Jupiter, Saturn, Uranus, Neptune)?

• They are mostly made of rock and metal.

• They have very few moons.

• They are primarily composed of gases and liquids.

• They are closer to the Sun than the Earth is.

Which star is considered a main sequence star?

• Vega

• Betelgeuse

• Pollux

• Van Maanan's Star

What is the term for a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass?

• Neutron star

• Black hole

• Supernova

• White dwarf

Everything that exists, including all matter and energy. Mostly consists of empty space.

• a galaxy

• a black hole

• the universe

• the multiverse