Proxima centauri - Study guides, Class notes & Summaries

What is a light year? - distance that light travels in 1 year What is the closest star to Earth besides the Sun? (4.2 ly away) - proxima centauri What is the age of the universe? - 14 billion years What is our cosmic address? What is the Local Group? - Earth, solar system, milky way galaxy, local group, local supercluster Order of planets in our solar system - Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune What is the fastest speed in the universe? - speed of light Typical ...

PSU astro 7N PASSED Exam Questions and CORRECT Answers What spectral type is Proxima Centauri closest to? - Ans M5 So Proxima Centauri is in the lower right of this diagram, which seems to correspond to ________ temperatures and ________ luminosities - Ans Low, Low It looks like as the temperature increases the star moves to the _______ on the HR diagram, and it gets _______ and ________ - Ans left/smaller/bluer And that means if I move the temperature slider down, the star moves to th...

What is a light year? - distance that light travels in 1 year What is the closest star to Earth besides the Sun? (4.2 ly away) - proxima centauri What is the age of the universe? - 14 billion years What is our cosmic address? What is the Local Group? - Earth, solar system, milky way galaxy, local group, local supercluster Order of planets in our solar system - Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune What is the fastest speed in the universe? - speed of light Typical ...

CPCS 181 – INTRODUCTION TO ASTRONOMY QUESTIONS WITH VERIFIED ANSWERS | COMPLETE SET Quiz 1 Question 1 1 point A light-year is ⬜ an interval of time □ a measure of length ⬜ an indication of speed Question 2 1 point This telescope image was taken of the Andromeda Galaxy, which is located about 2.5 million ly away from us. This image shows how the Andromeda Galaxy ⬜ looks right now □ looked in the past ⬜ will look in the future Question 3 1 point Which of the follow...

CPCS 181 – INTRODUCTION TO ASTRONOMY QUESTIONS WITH VERIFIED ANSWERS | COMPLETE SET Quiz 1 Question 1 1 point A light-year is ⬜ an interval of time □ a measure of length ⬜ an indication of speed Question 2 1 point This telescope image was taken of the Andromeda Galaxy, which is located about 2.5 million ly away from us. This image shows how the Andromeda Galaxy ⬜ looks right now □ looked in the past ⬜ will look in the future Question 3 1 point Which of the follow...

CPCS 181 – INTRODUCTION TO ASTRONOMY QUESTIONS WITH VERIFIED ANSWERS | COMPLETE SET Quiz 1 Question 1 1 point A light-year is ⬜ an interval of time □ a measure of length ⬜ an indication of speed Question 2 1 point This telescope image was taken of the Andromeda Galaxy, which is located about 2.5 million ly away from us. This image shows how the Andromeda Galaxy ⬜ looks right now □ looked in the past ⬜ will look in the future Question 3 1 point Which of the follow...

- FIELD OF VIEW - The area visible in an image. Usually given as the diameter of the region. HOW LARGE IS THE FIELD OF VIEW? - 1 mile wide or 1.6 km wide WHAT TYPE OF SYSTEM DO ALL SCIENTISTS USE TO MEASURE SIZES? - The metric system. What is the SI unit of force? - The newton named after Isaac newton What is the SI unit of energy? - Joule (J) How is density expressed in Si units? - Kilograms per cubic meter Temperature is expressed on what scale? - Kelvin scale What is the ...

CPCS 181 – INTRODUCTION TO ASTRONOMY QUESTIONS WITH VERIFIED ANSWERS | COMPLETE SET Quiz 1 Question 1 1 point A light-year is ⬜ an interval of time □ a measure of length ⬜ an indication of speed Question 2 1 point This telescope image was taken of the Andromeda Galaxy, which is located about 2.5 million ly away from us. This image shows how the Andromeda Galaxy ⬜ looks right now □ looked in the past ⬜ will look in the future Question 3 1 point Which of the follow...

1 light year - ️️10 trillion kilometers according to kepler's first law, the orbits of the planets are - ️️ellipses with the sun at one focus An astronomical unit is defined as the average distance between - ️️the sun and the earth Apahelion - ️️the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. apogee - ️️the point in the orbit of the moon or a satellite at which it is furthest from the earth asterism - ️️not an official const...

LUOA Earth Science Module 10 Questions and Answers Graded A+ Which type of star emits radio waves? Pulsars Dead stars are ________________ , and they no longer undergo nuclear fusion black dwarfs Stars that appear to pulsate but are non-pulsating are called ___________________. eclipsing binary stars Some stars expand and contract giving off varying intensities of brightness. These are _______________. pulsating stars Stars of average size and average temperature are called _______________. ...