Lecture6
... Planets normally “slip” W to E (“prograde”: lazy planets!). Sometimes move E to W (“Retrograde”). A mystery to the ancients (who assumed earthcentered universe!). Important distinction: Diurnal motion: E to W (rise, transit, set), due to earth’s rotation. Motion on the celestial sphere (much slower, ...
... Planets normally “slip” W to E (“prograde”: lazy planets!). Sometimes move E to W (“Retrograde”). A mystery to the ancients (who assumed earthcentered universe!). Important distinction: Diurnal motion: E to W (rise, transit, set), due to earth’s rotation. Motion on the celestial sphere (much slower, ...
Stars
... emitting electromagnetic radiation, especially light, as a result of nuclear reactions inside the star. The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the skies year after year. However, stars are actually in rapid motion, but their distan ...
... emitting electromagnetic radiation, especially light, as a result of nuclear reactions inside the star. The sun is a star. With the exception of the sun, stars appear to be fixed, maintaining the same pattern in the skies year after year. However, stars are actually in rapid motion, but their distan ...
EarthSunMoon_QuestionSheet-LA
... What shape is the Moon and how big is it? The Moon is roughly ________________________ and is a lot smaller than the Earth. The Moon is about ________________________ km in diameter. How does long does it take for the Moon Earth to orbit around the Earth? The Moon is a natural satellite and travels ...
... What shape is the Moon and how big is it? The Moon is roughly ________________________ and is a lot smaller than the Earth. The Moon is about ________________________ km in diameter. How does long does it take for the Moon Earth to orbit around the Earth? The Moon is a natural satellite and travels ...
The Reason for the Seasons
... Earth _____________ around Sun ______________________________ Earth’s orbit is almost circular rather than oval shaped but is still referred to as an _________________________ orbit ________days to revolve once around the Sun (~ a year) ...
... Earth _____________ around Sun ______________________________ Earth’s orbit is almost circular rather than oval shaped but is still referred to as an _________________________ orbit ________days to revolve once around the Sun (~ a year) ...
The Solar System Worksheet - Laureate International College
... < to see how large the Sun is compared to this planet < boundary between the inside & outside of the Sun < yellow part we see from Earth (coolest layer ~ 5500°C) < large, often curved, bright stream of particles < extends outward from the photosphere into the corona < layer outside the core (plasma ...
... < to see how large the Sun is compared to this planet < boundary between the inside & outside of the Sun < yellow part we see from Earth (coolest layer ~ 5500°C) < large, often curved, bright stream of particles < extends outward from the photosphere into the corona < layer outside the core (plasma ...
chapter3 - Empyrean Quest Publishers
... 1. Earth could not be moving because objects in air would be left behind. He said air moves with earth. 1. Non-circular orbits are not “perfect” as heavens should be. He found ...
... 1. Earth could not be moving because objects in air would be left behind. He said air moves with earth. 1. Non-circular orbits are not “perfect” as heavens should be. He found ...
The Night Sky
... Cigar Galaxy- A galaxy shaped like a cigar also known as Messier 82. t is said to be 100 times brighter than the milky way. Comet: A celestial object that orbits the Sun along an elongated path. A comet that is not near the Sun consists only of a nucleus—a solid core of frozen water, frozen gases, a ...
... Cigar Galaxy- A galaxy shaped like a cigar also known as Messier 82. t is said to be 100 times brighter than the milky way. Comet: A celestial object that orbits the Sun along an elongated path. A comet that is not near the Sun consists only of a nucleus—a solid core of frozen water, frozen gases, a ...
Threat of Sunshine
... A pair of satellites, the Solar Terrestrial Relations Observatory, will generate the first 3-D views of solar flares and coronal mass ejections and will predict which events threaten Earth. What Where When ...
... A pair of satellites, the Solar Terrestrial Relations Observatory, will generate the first 3-D views of solar flares and coronal mass ejections and will predict which events threaten Earth. What Where When ...
Quiz # 1
... 9. When the Moon is in its gibbous phase, the positions of the Moon, the Earth, and the Sun are such that the A) relative distances of the Earth and the Moon from the Sun are irrelevant because this phase can occur at any time. B) Moon is farther from the Sun than the Earth is. C) Moon is closer to ...
... 9. When the Moon is in its gibbous phase, the positions of the Moon, the Earth, and the Sun are such that the A) relative distances of the Earth and the Moon from the Sun are irrelevant because this phase can occur at any time. B) Moon is farther from the Sun than the Earth is. C) Moon is closer to ...
Test 1 - History of Astronomy and Planetary Motion - ppt
... noticed that Jupiter had moons orbiting around it -more evidence of heliocentric theory ...
... noticed that Jupiter had moons orbiting around it -more evidence of heliocentric theory ...
Metallic meteorites
... *Many scientists think they come from a spherical region called the Oort cloud that surrounds the solar system. The gravity of a passing planet or star disturbs part of this cloud and comets are pulled in toward the sun. ...
... *Many scientists think they come from a spherical region called the Oort cloud that surrounds the solar system. The gravity of a passing planet or star disturbs part of this cloud and comets are pulled in toward the sun. ...
Celestial Sphere, Celestial equator, N
... The stars and location of the Sun we see depends on the time of the year and on our position on Earth. The Sun appears to circle the Celestial sphere once a year on a path called the ecliptic. Ancient civilizations imagined stars grouped together according to legends and folklore – such groups are c ...
... The stars and location of the Sun we see depends on the time of the year and on our position on Earth. The Sun appears to circle the Celestial sphere once a year on a path called the ecliptic. Ancient civilizations imagined stars grouped together according to legends and folklore – such groups are c ...
Document
... • Stars could be millions of millions of miles away and you could still see them. • Stars are not just two feet away they're thousands of miles away . • There is a star that is bigger than the sun and ...
... • Stars could be millions of millions of miles away and you could still see them. • Stars are not just two feet away they're thousands of miles away . • There is a star that is bigger than the sun and ...
The Assembly of M31`s Halo from Dwarf Galaxy Building Blocks
... Most of the matter in the Universe is in a non-luminous form but makes its presence felt through its gravity ...
... Most of the matter in the Universe is in a non-luminous form but makes its presence felt through its gravity ...
Solar Eclipse Box - Hooked on Science
... The sun and the moon form a system with Earth. Patterns of the motion of the sun, moon, and stars in the sky can be observed, described, and predicted. The sun is a star that appears larger and brighter than other stars because it is closer. Earth revolves or moves around the sun, and at the same ti ...
... The sun and the moon form a system with Earth. Patterns of the motion of the sun, moon, and stars in the sky can be observed, described, and predicted. The sun is a star that appears larger and brighter than other stars because it is closer. Earth revolves or moves around the sun, and at the same ti ...
Basic Observations of the Night Sky
... • The Earth 'wobbles' like a top; this is known as precession. • It takes 26,000 years for the Earth to make one complete cycle – This means that Polaris was not always, nor will it remain, the North Star ...
... • The Earth 'wobbles' like a top; this is known as precession. • It takes 26,000 years for the Earth to make one complete cycle – This means that Polaris was not always, nor will it remain, the North Star ...
File
... Solar System- The sun (which is a star) and the objects that orbit around the sun (planets, moons, asteroids, and comets). Our solar system is located in the Milky Way Galaxy. The sun, moon and stars all have patterns of movement. The sun is the center of the solar system, is the biggest object in o ...
... Solar System- The sun (which is a star) and the objects that orbit around the sun (planets, moons, asteroids, and comets). Our solar system is located in the Milky Way Galaxy. The sun, moon and stars all have patterns of movement. The sun is the center of the solar system, is the biggest object in o ...
Announcements
... Astronomers are all over the world and measure coordinates at all sorts of times. In order to talk to each other, astronomers measure coordinates with respect to defined reference points on the celestial sphere, not the local sky. • Declination: angle from the celestial equator up to the star (analo ...
... Astronomers are all over the world and measure coordinates at all sorts of times. In order to talk to each other, astronomers measure coordinates with respect to defined reference points on the celestial sphere, not the local sky. • Declination: angle from the celestial equator up to the star (analo ...
solar-wind-magnetosphere-answers
... 2. the radiative zone, through which energy is transported by photons 3. the convective zone, where energy is transported by convection. 2. Describe the main event that occurs in each of the three parts. As above 3. List the parts of the atmosphere of the Sun and describe the main features of each. ...
... 2. the radiative zone, through which energy is transported by photons 3. the convective zone, where energy is transported by convection. 2. Describe the main event that occurs in each of the three parts. As above 3. List the parts of the atmosphere of the Sun and describe the main features of each. ...
SOLAR ORBITER All the space you need
... with NASA and primed by Astrium UK, has the objective of sending a spacecraft to monitor and observe the sun, using a suite of advanced scientific instruments and at a proximity never before achieved. The Solar Orbiter mission will take the next step in observation of the Sun from space. The selecte ...
... with NASA and primed by Astrium UK, has the objective of sending a spacecraft to monitor and observe the sun, using a suite of advanced scientific instruments and at a proximity never before achieved. The Solar Orbiter mission will take the next step in observation of the Sun from space. The selecte ...
Summing up the solar system
... quickly, shrank, & compressed creating the sun and a planetary disc. As time passed, the disc condensed into small planets. 4.6 billion years ago, most planets had formed, ...
... quickly, shrank, & compressed creating the sun and a planetary disc. As time passed, the disc condensed into small planets. 4.6 billion years ago, most planets had formed, ...
No Slide Title
... Consider the case of a small black sphere of radius a and albedo A orbiting the Sun at a distance of r A.U. from it. Albedo = fraction of incident light reflected. The radiance at the Sun’s surface is σT4 where T = 5779 K. The surface area of the Sun is 4πR2, so the total emergent radiant flux fr ...
... Consider the case of a small black sphere of radius a and albedo A orbiting the Sun at a distance of r A.U. from it. Albedo = fraction of incident light reflected. The radiance at the Sun’s surface is σT4 where T = 5779 K. The surface area of the Sun is 4πR2, so the total emergent radiant flux fr ...