REVIEW: STAR`S TEST
... What force causes particles of stellar dust to become attracted to each other ? ____gravity_____ The most widely held astronomical theory about the origin of the universe is the ...
... What force causes particles of stellar dust to become attracted to each other ? ____gravity_____ The most widely held astronomical theory about the origin of the universe is the ...
REVIEW: STAR`S TEST
... What is the speed of light ? 186,000 MILES/SECOND What is the EMS and what are at its extremes ? RADIO WAVES ...
... What is the speed of light ? 186,000 MILES/SECOND What is the EMS and what are at its extremes ? RADIO WAVES ...
What do we see in the night sky - Laureate International College
... Sun’s gravity exerts a powerful pulling force on the planets. This ________________ is a force of attraction that keeps the planets moving in a ___________ pattern around it. The circular pattern is called an ________. Planets ____________ around the Sun which means that they move in an orbit around ...
... Sun’s gravity exerts a powerful pulling force on the planets. This ________________ is a force of attraction that keeps the planets moving in a ___________ pattern around it. The circular pattern is called an ________. Planets ____________ around the Sun which means that they move in an orbit around ...
Star
... -Some dwarf stars are as small as the Earth. -Our sun is a medium size star (1,390,000 km). -Some stars are 1,000 times larger than our sun. -Density affects mass…no relationship between size and mass. Example: a star can be smaller than our sun, but have a greater mass…meaning it is more dense! ...
... -Some dwarf stars are as small as the Earth. -Our sun is a medium size star (1,390,000 km). -Some stars are 1,000 times larger than our sun. -Density affects mass…no relationship between size and mass. Example: a star can be smaller than our sun, but have a greater mass…meaning it is more dense! ...
Only Thirty Questions To Go (150,000 points) 1.) If the distance
... 3.) Galaxy A is 100,000,000 LY away. An identical Galaxy B is 200,000,000 LY away. Galaxy B appears to be ____ as wide as Galaxy A. B – one-half 4.) The following distances are equivalent. The way in which astronomers usually state the distance to the nearest star (other than our Sun) is… A – 4.22 l ...
... 3.) Galaxy A is 100,000,000 LY away. An identical Galaxy B is 200,000,000 LY away. Galaxy B appears to be ____ as wide as Galaxy A. B – one-half 4.) The following distances are equivalent. The way in which astronomers usually state the distance to the nearest star (other than our Sun) is… A – 4.22 l ...
Physics 127 Descriptive Astronomy Homework #16
... 10-5. The star Zubenelgenubi (from Arabic for “scorpion’s southern claw”) has apparent magnitude 2.75 while the star Sulafat (Arabic for “tortoise”) has apparent magnitude 3.25. Which star appears brighter? From this information alone, what can you conclude about the luminosities of these stars? Exp ...
... 10-5. The star Zubenelgenubi (from Arabic for “scorpion’s southern claw”) has apparent magnitude 2.75 while the star Sulafat (Arabic for “tortoise”) has apparent magnitude 3.25. Which star appears brighter? From this information alone, what can you conclude about the luminosities of these stars? Exp ...
Stars - Denbigh Baptist Christian School
... Scientist now believe a nova is when an existing star flares up to become 100’s or 1000’s times brighter. Outer layers gradually float off into space leaving smaller, dimmer star. Nova’s are not common. Nebula – cloud of interstellar gases and debris Supernovas – death explosion of a star. Star has ...
... Scientist now believe a nova is when an existing star flares up to become 100’s or 1000’s times brighter. Outer layers gradually float off into space leaving smaller, dimmer star. Nova’s are not common. Nebula – cloud of interstellar gases and debris Supernovas – death explosion of a star. Star has ...
1 - Pitt County Schools
... Chapter 25 Concept Questions Name:_______________________________Date:___________________ 1. Absolute magnitude: 2. Apparent magnitude: 3. Big band theory: 4. Binary star: ...
... Chapter 25 Concept Questions Name:_______________________________Date:___________________ 1. Absolute magnitude: 2. Apparent magnitude: 3. Big band theory: 4. Binary star: ...
Astronomy Quiz #1 Answers
... showing stars are moving away from us/each other -diagram should be of 2 visible spectra with lines; first one is the original, second one should show that they shifted towards the red end of the spectrum a. What does a large red shift indicate about a galaxy’s motion? -it indicates that the galaxy’ ...
... showing stars are moving away from us/each other -diagram should be of 2 visible spectra with lines; first one is the original, second one should show that they shifted towards the red end of the spectrum a. What does a large red shift indicate about a galaxy’s motion? -it indicates that the galaxy’ ...
Chapter 28 Notes
... As a star is determined to be brighter than the number for apparent magnitude goes DOWN. (The more negative the number, the brighter the star) ...
... As a star is determined to be brighter than the number for apparent magnitude goes DOWN. (The more negative the number, the brighter the star) ...
Apparent magnitude is the brightness of a star as it appears
... Apparent magnitude is the brightness of a star as it appears from Earth. This brightness depends partly on how far away the star is. Absolute magnitude describes the actual brightness of a star without considering its distance from the observer. The absolute magnitude of stars is measured on a Scale ...
... Apparent magnitude is the brightness of a star as it appears from Earth. This brightness depends partly on how far away the star is. Absolute magnitude describes the actual brightness of a star without considering its distance from the observer. The absolute magnitude of stars is measured on a Scale ...
Unit 12 Guide: Concepts of Earth Science Stars, Galaxies, and the
... 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast the apparent and actual motion of stars. How can scientists know if a star or galaxy is moving toward or away from Eart ...
... 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast the apparent and actual motion of stars. How can scientists know if a star or galaxy is moving toward or away from Eart ...
Chapter 7 Vocabulary212
... 1. Spectroscope- used to study star’s characteristics by spreading light into different wavelengths 2. Nuclear fusion- nuclei of several atoms combine to form on large nucleus 3. astronomical unit- average distance between Earth and Sun (150 million km) 4. light year- distance light travels in 1 yea ...
... 1. Spectroscope- used to study star’s characteristics by spreading light into different wavelengths 2. Nuclear fusion- nuclei of several atoms combine to form on large nucleus 3. astronomical unit- average distance between Earth and Sun (150 million km) 4. light year- distance light travels in 1 yea ...
Chapter 30.1
... horizon. (Circling stars). Different stars become visible during different seasons. Three actual motions: ...
... horizon. (Circling stars). Different stars become visible during different seasons. Three actual motions: ...
Characteristics of Stars
... Measuring distances to stars • Measure parallax – the apparent shift in the position of an object when viewed from two different positions. • Knowing the angle that the star’s position changes and the size of Earth’s orbit, astronomers can calculate the distance of the star from earth. ...
... Measuring distances to stars • Measure parallax – the apparent shift in the position of an object when viewed from two different positions. • Knowing the angle that the star’s position changes and the size of Earth’s orbit, astronomers can calculate the distance of the star from earth. ...
Characteristics of Stars
... Classification • H-R diagram • Absolute magnitude vs. temperature • For most stars the brightness increases as surface temp increases • Main sequence stars are band in center ...
... Classification • H-R diagram • Absolute magnitude vs. temperature • For most stars the brightness increases as surface temp increases • Main sequence stars are band in center ...
Physical properties of stars
... Absolute magnitude depends on: The size of the star The temperature of the star Apparent magnitude depends on: The size of the star The temperature of the star The distance of the star Pg. 444 scale of objects and their apparent magnitude. Absolute motion- the actual motion of stars in spa ...
... Absolute magnitude depends on: The size of the star The temperature of the star Apparent magnitude depends on: The size of the star The temperature of the star The distance of the star Pg. 444 scale of objects and their apparent magnitude. Absolute motion- the actual motion of stars in spa ...
Section 2
... distance from the earth. temperature is based on the color of the star • Blue or blue white is the hottest and red is the coolest ...
... distance from the earth. temperature is based on the color of the star • Blue or blue white is the hottest and red is the coolest ...
Unit 11 Guide: Concepts of Earth Science Stars, Galaxies, and the
... 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast the apparent and actual motion of stars. How can scientists know if a star or galaxy is moving toward or away from Eart ...
... 2. What evidence do scientists use to support the Big Bang Theory? Explain the sequence of events predicted by the Big Bang Theory. 3. Explain Hubble’s Law. 4. Compare and contrast the apparent and actual motion of stars. How can scientists know if a star or galaxy is moving toward or away from Eart ...
Blank Jeopardy
... (luminosity) stars are bigger than low absolute magnitude (luminosity) stars. ...
... (luminosity) stars are bigger than low absolute magnitude (luminosity) stars. ...
Malmquist bias
The Malmquist bias is an effect in observational astronomy which leads to the preferential detection of intrinsically bright objects. It was first described in 1922 by Swedish astronomer Gunnar Malmquist (1893–1982), who then greatly elaborated upon this work in 1925. In statistics, this bias is referred to as a selection bias and affects the survey results in a brightness limited survey, where stars below a certain apparent brightness are not included. Since observed stars and galaxies appear dimmer when farther away, the brightness that is measured will fall off with distance until their brightness falls below the observational threshold. Objects which are more luminous, or intrinsically brighter, can be observed at a greater distance, creating a false trend of increasing intrinsic brightness, and other related quantities, with distance. This effect has led to many spurious claims in the field of astronomy. Properly correcting for these effects has become an area of great focus.