White dwarf star - Study guides, Class notes & Summaries

NST1502 Assignment 4 PORTFOLIO (ANSWERS) 2023 (791148).100% CORRECT questions, answers, workings and explanations..... SECTION A Have you ever wondered how traditional healers discover their medicines? And how about western medical doctors? How do they discover their medicines? Do a bit of research and write a two-page report on how traditional healers and western medical doctors discover their medicines. Pay particular attention to the PROCESS they follow in order to discover new medicines.. In...

Ursa Major - Answer-circumpolar constellation at 45N Big dipper - Answer-asterism Orion - Answer-asterism Taurus - Answer-zodiac constellation Draco - Answer-circumpolar at 45N Northern Cross - Answer-asterism Your birth sign is - Answer-the constellation behind the sun at the moment of your birth We are currently living in the age of - Answer-Pisces What is the location of of our solar system in the Milk Way galaxy? - Answer-Halfway out from the center How do we know the Milky Way gala...

A few decades ago, there was great controversy among astronomers over the question of quasar distances, with some arguing that quasars are much nearer than application of Hubble's law would seem to imply. Why do nearly all astronomers now agree that quasars really are quite far away? - ️️We now have images and spectra that clearly show quasars to be embedded at the centers of distant galaxies and within distant galaxy clusters. A quasar's spectrum is hugely redshifted. What do most astron...

Explain how a white dwarf's observable properties (specifically Luminosity & Temp) change over billions of years if it is left alone, and show how its location would change on an H-R diagram. - •White Dwarfs are low-mass stars, and if they are left alone, they will fade and cool forever. •If mass transfer adds mass to a White Dwarf, it can become, (1) a Nova, or (2) a Supernova Compared to a white dwarf, a neutron star's density is? - •Not all neutron stars are called pulsars becaus...

A-level PHYSICS Paper 3 Section B Astrophysics Thursday 15 June 2023 Morning Time allowed: The total time for Materials both sections of this paper is For this paper you must have: 2 hours. You are advised to • a pencil and a ruler spend approximately • a scientific calculator 50 minutes on this section. • a Data and Formulae Booklet • a protractor. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all question...

Disney Characters | Latest Version | 100% Correct What was the first Disney Princess to have a film released in 1937? Snow White Which dwarf is often portrayed as the grumpiest member of the Seven Dwarfs? Grumpy What is the name of the villainous character who seeks a person's heart in a box in Snow White and the Seven Dwarfs? Queen Grimhilde What is the name of the main character who wants to become a real boy in Pinocchio? Pinocchio Who is the creator and "...

PHY 100 Assignment 14 Exam Questions With Verified Answers Match the words in the left-hand column to the appropriate blank in the sentences in the right- hand column. Use each word only once. - answerThe radius of a white dwarf is determined by a balance between the inward force of gravity and the outward push of "electron degeneracy pressure." A(n) "nova" occurs when hydrogen fusion ignites on the surface of a white dwarf in a binary system. A(n) "massive star supernova" occurs w...

Supernova A gigantic explosion in which a massive star collapses and throws its outer layers into space How elements heavier than iron were formed Protostar A contracting cloud of gas and dust; the earliest stage of a star's life Nebula A large cloud of dust and gas in space Main Sequence Star A normal star that is undergoing nuclear fusion of hydrogen into helium. Black Hole An object in space whose gravity is so strong not even light can escape. Red Giant A s...

A graduate assistant in astronomy needs to measure the mass of a spiral galaxy. Which of the following observations would be important for her to make? - ️️Obtain the speed at which stars or gas near the outer regions of the galaxy are moving around A star whose temperature is increasing but whose luminosity is roughly constant moves in what direction on the H-R diagram - ️️Left A type of star cluster that contains mostly very old stars is - ️️a globular star cluster A white dwarf...