Astronomy Flashcards

Astronomy the study of the universe Galaxy a collection of star systems Solar System the sun with the celestial bodies that revolve around it in its gravitational field Local Group a group of about 30 galaxies that includes the Milky Way Astronomical Unit a unit of length used for distances Read more…

Astronomy Chapters 1-3

How many constellations are in the sky? 88 Why is looking in the sky like looking back in time? Because the objects in space are so far from us that not even the speed of light can reach us in a timely manner. How fast does light travel? 300,000 kilometers Read more…

Astronomy

Zodiac A belt about 16° wide around the sky centered on the ecliptic, containing 12 constellations Wien’s Law of Radiation The wavelength, max, at which a blackbody emits the greatest amount of radiation is inversely proportional to its temperature (T). max =0.3/T Parallax One half of the apparent change in Read more…

TOEFL Words: Astronomy

Atmosphere (There is an *atmosphere* of peace and calm in the country, quite different from the *atmosphere* of a big city.) n. the gases surrounding a planet; the way a particular place makes someone feel ( 气,大气层) Atmospheric (Rust results from the slow combination of iron with *atmospheric* oxygen and Read more…

6th grade Astronomy

star (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior galaxy a collection of star systems Big Bang Theory the theory that states that the universe began with a tremendous explosion aout 13.7 years ago Black Hole an object so massive and Read more…

Introductory Astronomy: Chapter 18

Big Bang the theory that the universe originated 13.7 billion years ago from the cataclysmic explosion of a small mass of matter at extremely high density and temperature – generated the expansion of motion that we observe today distribution of galaxies scattered across approx. uniformly – therefore, universe is approx. Read more…

Honors Astronomy Semester 2 Final

What is interesting about Jupiter’s rotation period? Fastest in the solar system Essentially, the Great Red Spot is A large cyclonic system (hurricane) Alternating zones of rising & sinking gas in Jupiter’s atmosphere create Light & dark bands What is thought to lie at the center of Jupiter? A massive Read more…

EARTH & ENVIRONMENTAL SCIENCE | Unit: Astronomy

Astronomy The science that studies the universe. It includes the observation and interpretation of celestial bodies and phenomena. Nebula Rotating clouds of interstellar gas or dust composed of hydrogen and helium Terrestrial Planets Planets that are small and rocky– Mercury, Venus, Earth, and Mars Jovian Planets The huge gas giants–Jupiter, Read more…

Astronomy Chapter 3 Key Terms

Electromagnetic Radiation Another term for light, electromagnetic radiation transfers energy and information form one place to another. Visible Light The small range of the electromagnetic spectrum that human eyes perceive as light. The visible spectrum ranges fro about 400-700 nm, corresponding to blue through red light. Radio Waves Electromagnetic radiation Read more…

Honors Astronomy Final 2

The ESA satellite which gave us our most accurate distances to stars is called Hippacros If two stars differ in brightness by 5 magnitudes, the light ratio received by us is ______ to 1 100x In comparing first magnitude Deneb with second magnitude Polaris, we find that Deneb appears 2.5x Read more…

Honors Earth and Space

What scientist is believed to have started modern astronomy? Copernicus What are the five scientists believed to have given birth to modern astronomy? Copernicus, Brahe, Kepler, Galileo, Newton What is the Heliocentric Model? Sun Centered Model What is the Geocentric Model? Earth Centered Model The 20th Century is known as Read more…

Astronomy

astro concerning the stars, the planets, or space astronomy the scientific study of the sun, moon, stars, etc astrophysics the scientific study of the chemical nature of the stars and the natural forces that influence them astrology the art of understanding the supposed influence of the sun, moon, stars, and Read more…

Astronomy Chapter 2:

Electromagnetic Radiation Another term for light, transfers energy and information from one to another Visible Light Small range of the electromagnetic spectrum that human eyes perceive as light Radio Region of the electromagnetic spectrum corresponding to radiation of the longest wavelengths Infrared Region of the electromagnetic spectrum just outside the Read more…

Astronomy honors solar system review

The (blank) have larger radii than the (blank) planets 1)jovian 2)terrestrial A (blank) theory of the formation of the solar system uses sudden events that drastically alter the form of the early solar system. catastrophic the dirty snowball model is used as a model for the physical structure of (blank) Read more…

Astronomy 123

does astronomy predict the motion of planets? No An example of change from mythical to geometric universe is: change from tabulated data to models what is the difference between mythical and geometric universes? mythical is based upon storytelling (constellations and folklore) and geometric universe is based off of data, reasoning, Read more…

honors history- people of scientific revolution

Francis Bacon Philosophy -formulated the scientific method • proposed that science is inductive—it proceeds • believed that science should improve people’s lives Robert Boyle Chemistry • discovered the relationship between the volume of a gas and the pressure exerted on it Margaret Cavendish Philosophy • speculated on the nature of Read more…

Astronomy first test

Explain the difference between Astronomy and Astrology Astronomy is the study of the universe while Astrology is a belief system that includes the idea that stars can tell events in your life. What’s the difference between mass and weight? Mass is the amount of matter in someone while weight is Read more…