Binary star - Study guides, Class notes & Summaries

about 91% (by number) of the atoms in the sun are the element - ️️hydrogen Age of the Universe - ️️13.7 billion years all the energy of the sun is generated in the - ️️core alpha particle - ️️A cluster of 2 protons and 2 neutrons emitted from a nucleus in one type of radioactivity an astronomer discovers a new star and wants to measure its temperate. she could do this by: - ️️take a spectrum of the star and determine the spectral type Astronomers did star counts in all d...

Astro 7N PSU Unit 4Open star clusters - correct answer •have hundreds to thousands of stars •stars formed at the same time from the same gas cloud •bound by gravity for a few million years •lots of blue stars visible because of relatively young ages •Pleiades is an example Globular star clusters - correct answer -hundreds of thousands to millions of stars -yellow in color with red giants -many have ages around 10 billion years, considered old Ages of star clusters - correct...

Microbiology Rio Salado Midterm Exam 2 Questions And All Correct Answers New Update maintain the balance of living organisms and chemicals in our environment - Answer -microbes form the basis of the food chain - Answer -marine and freshwater microbes play a roll in photosynthesis - Answer -certain microbes help with digestion and synthesis of vitamins - Answer -microbes in intestines nomenclature - Answer -naming organisms who was nomenclature established by? - Answer -Carolus ...

We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it) The first stellar mass black hole identified, Cygnus X-1, was found in 1973. The n...

ASTR 102 Quiz Questions | 100% Correct Answers | Verified | Latest 2024 Version We have learned that the centre of the milky way contains a very massive black hole. We developed this understanding by: - Monitoring the orbital motions of many individual stars in the very central parts of the Milky Way If the sun were to be squashed down small enough to become a black hole, then: - The planets in the solar system would orbit the Sun in unchanged fashion (but would receive no light from it)...

CSI 104 Practice Test Questions with Correct Answers What numeric value in hexadecimal is equivalent to the binary number BCAF BE6C 6FAD DEAD - Answer-DEAD In Windows, the MD command must be used to create a folder True False - Answer-False The contains instructions and data that provide the startup program for a computer RAM DRAM BIOS CPU - Answer-BIOS What is the binary equivalent of the decimal number 543? 1011010011 - Answer- Which topology has become more popular w...

Using MLE, can we derive estimated coefficients/parameters in exact form? - No, they are approximate estimated parameters T/F: The sampling distribution of the predicted response variable used in statistical inference is normal in multiple linear regression under the normality assumption. - F Classification - The prediction of binary responses. Classification is nothing more than a prediction of the class of your response, y* (y star), given the predictor variable, x* (x star). If the predi...

Astro 7N PSU Unit 4Open star clusters - correct answer •have hundreds to thousands of stars •stars formed at the same time from the same gas cloud •bound by gravity for a few million years •lots of blue stars visible because of relatively young ages •Pleiades is an example Globular star clusters - correct answer -hundreds of thousands to millions of stars -yellow in color with red giants -many have ages around 10 billion years, considered old Ages of star clusters - correct...

ASTR 102 Final Exam Questions Riverside Correct Solutions Current Update order of red giant's life - Answer -Red Giant → Planetary Nebula → White Dwarf → Black Dwarf or Red Giant → Type II Supernova → Neutron Star or Red Giant → Type II Supernova → Black Hol The eventual fate of our Sun is to - Answer -become a steadily cooling white dwarf. Our Sun will not become a nova because this only happens to stars - Answer -with a binary companion. Black holes are formed ...

CPSC 409 Exam 1 Questions & Answers 2024/2025 How do you represent quantities with fingers? - ANSWERS- Simplest case: Each digit is mapped to a number (limited to 0-10) - Binary approach: Digit are mapped to values but each can be raised independently. (2^# digits can be represented; roughly 1024) - Chinese finger notation: Each joint of the finger are used to represent quantities. How do you set up and use the European abacus? - The abacus influenced the _____ language, and was its...