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Asteroids PP - MR D`S ICT CORNER
Asteroids PP - MR D`S ICT CORNER

... Key words ...
File
File

... holds it in orbit. The Moon’s gravitational field has attracted numerous meteorites that made impact craters, and so on. ...
astronomy 2 review sheet - Hicksville Public Schools
astronomy 2 review sheet - Hicksville Public Schools

... 17. What is the solar wind? ELECTRICALLY CHARGED PARTICLES EXTENDING FROM THE CORONA. 18. Describe a meteor, meteoroid and a meteorite. METEOR- STREAK OF LIGHT AS A METE0ROID BURNS UP IN THE EARTH’S ATMOSPHERE. METEOROID- A CHUNK OF ROCK OR DUST IN SPACE. METEORITE- A METEOROID THAT HITS THE EARTH’S ...
Table of Facts - Portfolio using Bloom`s Revised Taxonomy
Table of Facts - Portfolio using Bloom`s Revised Taxonomy

... Second largest planet in the solar system Saturn is the root of the English word Saturday Saturn has two prominent rings - A and B and, one faint ring (C) which can be seen from Earth Saturn has 53 named satellites If Saturn’s rings were compressed into one it would be no more than 100 km in width S ...
Astronomy
Astronomy

... approximately 4.6 billion years old – No other people have visited the Moon since. ...
1. Match the following items [a] 1. when a planet seems to reverse its
1. Match the following items [a] 1. when a planet seems to reverse its

... *b. form patterns in the sky c. formed at the same time and in the same place d. orbit the Sun ...
PPTX - University of Colorado Boulder
PPTX - University of Colorado Boulder

... away from the Earth. The primary star is a yellow-white dwarf star that is younger than the Sun. There is a second star that is a red dwarf in a wide orbit. As of 2010, four confirmed extrasolar planets have been discovered. ...
Geocentric Model of the Solar System
Geocentric Model of the Solar System

... • Pluto is the only planet not visited by spacecraft. We are not sure of its composition. Based on current data, scientists believe it is a small, rocky planet. • Pluto seems to lie on its side: its equator points straight up, and one of its poles points directly at the sun. • Pluto has only one moo ...
Motion of stars, planets
Motion of stars, planets

... • For heliocentric – Simplified retrograde motion, but epicycles were necessary to account for the planets’ changing speed – The distances to the planets could be measured. These distances were ordered, and therefore aesthetically pleasing to the philosophy of the day ...
Benchmark One Study Guide: Science Benchmark Wed
Benchmark One Study Guide: Science Benchmark Wed

... tilted towards the Sun in the summer, giving us more hours of sunlight. 6. What percentage of Earth is illuminated or lit up at any given time? 50% Half of the Earth is in the sunlight & the other half of Earth is having nighttime. 7. What percentage of Earth is dark, or having night at any given ti ...
Click here
Click here

... o About the same size, mass, and density as ______________________________. o Rotates in the opposite direction than Earth. o It's day (243 Earth days) is longer than it's year (about 225 Earth days). o Hottest planet: Averages 464 ° C because there is so much greenhouse gas. Earth – terrestrial o J ...
Measuring the Stars
Measuring the Stars

... road to the chemist, but that's just peanuts to space…” To be fair though, when confronted by the sheer enormity of the distances between the stars, better minds than the one responsible for the Guide's introduction have faltered. Some invite you to consider for a moment a peanut in Reading and a sm ...
seasons
seasons

...  Like all planets in our solar system, the Earth is in an elliptical ...
100 X size of Sun - East Penn School District
100 X size of Sun - East Penn School District

... • In the magnitude scale, lower numbers are associated with brighter stars. • Star A has an apparent magnitude = 5.4 and star B has an apparent magnitude = 2.4. Which star is brighter? • We can't actually move stars around, but we can calculate how bright a star would be if placed at the agreed-upon ...
The Solar System - 3rdgrade-libertyschool
The Solar System - 3rdgrade-libertyschool

... • The sun is the star that our solar system revolves around •The earth could fit into the sun 1.3 million times • The sun is the largest object in the solar system • It is mostly made up of hydrogen ...
Astronomy II (ASTR1020) — Exam 1 Test No. 1D
Astronomy II (ASTR1020) — Exam 1 Test No. 1D

... 4. Which of the following best describes a photon’s journey inside the Sun? a) Travels in a straight line at the speed of 2.997925 × 105 km/s. b) Travels in a curved path following the Sun’s magnetic field. c) Travels in a zig-zag (random walk) type of path. d) Photons do not exist inside the Sun. e ...
Lab 1
Lab 1

... 10. The gravitational attraction of a planet is directly related to its mass. Which planet exerts the greatest pull of gravity? Explain. ___________________________________________________________________________ 11. Your weight is a function of the gravitational attraction of an object on your mass ...
Dark Skies Above Downeast Maine
Dark Skies Above Downeast Maine

... January  3  –  The  Quadrantid  Meteor  Shower  Peaks.  Look  for  this  beautiful  shower  to  be  at  its  best   during  the  early  hours  of  January  3rd.  The  Quadrantids  have  a  very  small  window  for  when   the  met ...
Models of the Solar System
Models of the Solar System

... • First proposed by Aristarchus in (310230 B.C) • Not taken seriously until 1500 with Copernicus ...
Comets, Asteroids and Meteors
Comets, Asteroids and Meteors

The Sun
The Sun

... bigger than huge. ...
File
File

... were the day before. Solar Day is the time for the Sun to move from noon (highest position) to noon, an average of 24 hours. Longer than the rotational period, because the Earth moves in orbit one degree each day. Varies depending on the speed of Earth in orbit. Every solar day, the Sun is in the sa ...
ExamView - Untitled.tst
ExamView - Untitled.tst

... 1. In a heliocentric system, Earth revolves around a. Mars. b. the stars. c. the moon. d. the sun. 2. The heliocentric system gained support when Galileo observed that a. one side of the moon always faces Earth. b. most of the smaller planets are closer to the sun. c. Venus goes through phases simil ...
ASTRONOMY After Unit 2 you should be able to
ASTRONOMY After Unit 2 you should be able to

... Gibbous Tides High tide Low tide Spring tide Neap tide Solar eclipse Lunar eclipse ...
The Electromagnetic Spectrum
The Electromagnetic Spectrum

< 1 ... 305 306 307 308 309 310 311 312 313 ... 369 >

Astronomical unit

The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year. Originally conceived as the average of Earth's aphelion and perihelion, it is now defined as exactly 7011149597870700000♠149597870700 meters (about 150 million kilometers, or 93 million miles). The astronomical unit is used primarily as a convenient yardstick for measuring distances within the Solar System or around other stars. However, it is also a fundamental component in the definition of another unit of astronomical length, the parsec.
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