Stars And Galaxies Noel Core 3
(4).webp "Stars And Galaxies Noel Core 3 - Quiz")
- 1.The positions of the constellations appear to change throughout the year because ____.
- A.
Earth revolves around the Moon
- B.
Earth revolves around the Sun
- C.
The constellations revolve around Earth
- D.
The Sun revolves around Earth
- 2.Its _________________ makes Sirius the brightest star in the sky.
- A.
Apparent magnitude
- B.
Parallax
- C.
Color
- 3.The distances to nearby stars can be measured by using ______________.
- A.
Absolute magnitude
- B.
Parallax
- 4.About 90% of the stars in space are ___________________ stars.
- A.
Nebula
- B.
Giant
- C.
Main sequence
- D.
White dwarf
- 5.The hottest stars in space are __________ color.
- A.
Yellow
- B.
Red
- C.
Blue
- 6.A main sequence star becomes a _________ after it uses up the hydrogen in its core.
- A.
Nebula
- B.
Supernova
- C.
Red Giant
- 7.The Sun produces energy by fusing hydrogen atoms into ________ atoms in its core.
- A.
Carbon
- B.
Helium
- 8.A galaxy that has a shape similar to a football is a(n) _____________ galaxy.
- A.
Normal spiral
- B.
Barred spiral
- C.
Elliptical
- 9.Although it has a greater ____ than Sirius, Rigel does NOT look as bright in the night sky.
- A.
Apparent magnitude
- B.
Parallax
- C.
Absolute magnitude
- 10.A _______ is a region so dense that nothing, including light, can escape its gravity field.
- A.
Supernova
- B.
White dwarf
- C.
Black hole
- 11.Dark, cooler areas of the Sun's surface are called ___________.
- A.
Sunspots
- B.
Solar flares
- 12.The coolest stars in the sky are _______ in color.
- A.
Yellow
- B.
Red
- C.
Blue
- 13.A group of stars, gas, and dust held together by gravity is a
- A.
Galaxy
- B.
Constellation
- C.
Local Group
- 14._________ are patterns of stars in the sky.
- A.
Galaxies
- B.
Constellations
- C.
Star clusters
- 15.As Earth travels in its ____________, different constellations are visible at different times of the year.
- A.
Atmosphere
- B.
Orbit
- 16.A measure of the amount of light given off by a star is its ___________________
- A.
Apparent magnitude
- B.
Absolute magnitude
- 17.A measure of the amount of light received on Earth is a star's _________________.
- A.
Apparent magnitude
- B.
Absolute magnitude
- 18.______________ is the apparent shift in the position of an object when viewed from two different locations.
- A.
Apparent magnitude
- B.
Absolute magnitude
- C.
Parallax
- 19.A star begins as a ___________, a large cloud of gas and dust.
- A.
Nebula
- B.
Giant
- 20.The Sun produces energy in its core by fusing hydrogen into _______________.
- A.
Carbon
- B.
Helium
- 21.Our Sun is considered average because it is in the _______ range of the H-R diagram.
- A.
White dwarf
- B.
Red giant
- C.
Main sequence
- 22.The spiral shape of the Milky Way Galaxy CANNOT be seen from Earth because _________________.
- A.
We are located above the galaxy
- B.
We are located within one of its spiral arms
- 23.The ____________ states that between 15 and 20 billion years ago, the universe began expanding outward after an enormous explosion.
- A.
H-R Diagram
- B.
Binary Star theory
- C.
Big Bang theory
- 24.A red shift in the spectrum of the light from an object indicates the object is moving _________________ you.
- A.
Away from
- B.
Toward
- 25.A galaxy type without a definite shape is called a(n) ___________________.
- A.
Elliptical galaxy
- B.
Irregular galaxy
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