Characteristics of Stars Stars Analyzing Starlight Star Characteristics
... · each star produces a unique spectrum (series of colors and lines) · a star's spectrum tells us elements present (composition) surface temperature how fast the star is moving toward or away from Earth ...
... · each star produces a unique spectrum (series of colors and lines) · a star's spectrum tells us elements present (composition) surface temperature how fast the star is moving toward or away from Earth ...
IN THE CENTRE OF THE SUN IT ABOUT 15 MILLION DEGREES
... • Data from Magellan's imaging radar shows that much of the surface of Venus is covered by lava flows. There are several large shield volcanoes (similar to Hawaii or Olympus Mons). • Recently announced findings indicate that Venus is still volcanically active, but only in a few hot spots; for the mo ...
... • Data from Magellan's imaging radar shows that much of the surface of Venus is covered by lava flows. There are several large shield volcanoes (similar to Hawaii or Olympus Mons). • Recently announced findings indicate that Venus is still volcanically active, but only in a few hot spots; for the mo ...
Astro history notes 1
... relative to the stars. But as we pass them by in our orbit, they move west relative to the stars for a few weeks or months. Noticeable over many nights; on a single night, a planet rises in east and sets in west… ...
... relative to the stars. But as we pass them by in our orbit, they move west relative to the stars for a few weeks or months. Noticeable over many nights; on a single night, a planet rises in east and sets in west… ...
ASTR101 Unit 14 Assessment Answer Key 1. It is believed that the
... factors and multiplying them is the number of communicating civilizations in the galaxy at the present time. 3. The principle argument for the nonexistence of extraterrestrial life is the Fermi paradox. If other technological civilizations exist, they would tend to spread out and colonize the galaxy ...
... factors and multiplying them is the number of communicating civilizations in the galaxy at the present time. 3. The principle argument for the nonexistence of extraterrestrial life is the Fermi paradox. If other technological civilizations exist, they would tend to spread out and colonize the galaxy ...
Course Expectations
... 8. The Hubble Tuning Fork is the tool used to classify galaxies 9. The difference between active and inactive galaxies 10. Hubble’s Law is used to calculate the distance to other galaxies 11. The farther away the galaxy is the faster it is moving 12. The Big Bang Theory is currently the most widely ...
... 8. The Hubble Tuning Fork is the tool used to classify galaxies 9. The difference between active and inactive galaxies 10. Hubble’s Law is used to calculate the distance to other galaxies 11. The farther away the galaxy is the faster it is moving 12. The Big Bang Theory is currently the most widely ...
KOI-54 Claude Plymate There is a star system about 45 light years
... There is a star system about 45 light years away in the constellation Cygnus. The system we know as HD 187091 (also known as KOI-54 for Kepler Object of Interest 54) is an undistinguished 8th magnitude A star or was before the Kepler telescope took a close look. As it turns out, the system is anythi ...
... There is a star system about 45 light years away in the constellation Cygnus. The system we know as HD 187091 (also known as KOI-54 for Kepler Object of Interest 54) is an undistinguished 8th magnitude A star or was before the Kepler telescope took a close look. As it turns out, the system is anythi ...
Fundamental Motions (PowerPoint)
... Northern horizon – tells you your latitude. If strong ocean currents carry your ship North, Polaris will gradually get higher from night to night, and you can correct your course accordingly; if Polaris gradually gets lower, you are drifting South. This sort of simple consideration allowed Columbus ...
... Northern horizon – tells you your latitude. If strong ocean currents carry your ship North, Polaris will gradually get higher from night to night, and you can correct your course accordingly; if Polaris gradually gets lower, you are drifting South. This sort of simple consideration allowed Columbus ...
Scientific Results Summary
... Subaru showed that the size distribution of objects in the asteroid belt match the size distribution of craters on the Moon. Additional studies found twelve new moons around Saturn, bringing the total to 46, and also discovered crystalline water ice in a distant Kuiper Belt object, Quaoar. The searc ...
... Subaru showed that the size distribution of objects in the asteroid belt match the size distribution of craters on the Moon. Additional studies found twelve new moons around Saturn, bringing the total to 46, and also discovered crystalline water ice in a distant Kuiper Belt object, Quaoar. The searc ...
The Solar System
... galaxy. The Sun is a yellow dwarf star, which means it is a medium size star. It is believed to be over 4 billion years old. The Sun spins slowly on its axis as it moves around the galaxy. Because the Sun is so massive, it exerts a powerful gravitational pull on everything in our solar system. It is ...
... galaxy. The Sun is a yellow dwarf star, which means it is a medium size star. It is believed to be over 4 billion years old. The Sun spins slowly on its axis as it moves around the galaxy. Because the Sun is so massive, it exerts a powerful gravitational pull on everything in our solar system. It is ...
Sample exam 2
... sentence/paragraph format or a drawing, depending on what is asked. 11. The Sun started off its trajectory on the Hertzsprung-Russell diagram by initially moving down and to the left as it organized into a protostar. Explain this behavior in terms of temperature and luminosity, and give a reason for ...
... sentence/paragraph format or a drawing, depending on what is asked. 11. The Sun started off its trajectory on the Hertzsprung-Russell diagram by initially moving down and to the left as it organized into a protostar. Explain this behavior in terms of temperature and luminosity, and give a reason for ...
January 2013 Night Sky - Explore More - At
... Well, this is mostly true. Objects in the sky seem to twinkle because we’re seeing them though the Earth’s atmosphere. All those layers of air are moving, which distorts their light and gives the twinkling effect. The distant stars are very large but are so far away that to us they look like pin-pri ...
... Well, this is mostly true. Objects in the sky seem to twinkle because we’re seeing them though the Earth’s atmosphere. All those layers of air are moving, which distorts their light and gives the twinkling effect. The distant stars are very large but are so far away that to us they look like pin-pri ...
THE BIG BANG - Dublin City Schools
... • They use radioactive dating of uranium isotopes! • we know that the oldest isotopes were created (through nuclear reactions in supernovae) about 10 billion years ago. ...
... • They use radioactive dating of uranium isotopes! • we know that the oldest isotopes were created (through nuclear reactions in supernovae) about 10 billion years ago. ...
Standard Set 2 - Atascadero High School
... Way galaxy is a disc-shaped spiral galaxy with a bulging spherical center of stars is obtained from the location of stars in the galaxy. If viewed under a low-powered telescope from a planet in another galaxy, the Milky Way would look like a fuzzy patch of light. If viewed with more powerful telesco ...
... Way galaxy is a disc-shaped spiral galaxy with a bulging spherical center of stars is obtained from the location of stars in the galaxy. If viewed under a low-powered telescope from a planet in another galaxy, the Milky Way would look like a fuzzy patch of light. If viewed with more powerful telesco ...
AST 301—Review for Exam 3 Consult “Guide to Reading and Study
... one has been so far successful (with a few recent detections using another technique). Can you explain why that is? (We also went over this in class.) Of the numerous extrasolar planets that have been discovered, what are some of the surprising results? They are all massive (e.g. like Jupiter or lar ...
... one has been so far successful (with a few recent detections using another technique). Can you explain why that is? (We also went over this in class.) Of the numerous extrasolar planets that have been discovered, what are some of the surprising results? They are all massive (e.g. like Jupiter or lar ...
Mercury is the first planet from the sun. Named by
... Uranus is the seventh planet from the sun. It was discovered on March 13, 1781. Uranus is the third largest planet in the solar system by diameter. Uranus is named after the Greek god Ouranos, god of the sky. It takes Uranus approximately 30,707 days to complete its orbit around the sun. Uranus has ...
... Uranus is the seventh planet from the sun. It was discovered on March 13, 1781. Uranus is the third largest planet in the solar system by diameter. Uranus is named after the Greek god Ouranos, god of the sky. It takes Uranus approximately 30,707 days to complete its orbit around the sun. Uranus has ...
Homework problems for Quiz 2: AY5 Spring 2015
... More massive stars have lower temperatures in their cores The reason main-sequence stars do not collapse due to gravity is the thermal pressure of the gases they are composed of The fuel that provides the energy source for main-sequence stars is mass A star that is not in hydrostatic equilibrium wit ...
... More massive stars have lower temperatures in their cores The reason main-sequence stars do not collapse due to gravity is the thermal pressure of the gases they are composed of The fuel that provides the energy source for main-sequence stars is mass A star that is not in hydrostatic equilibrium wit ...
HABITABLE PLANETS For every star with planets, how many of
... oceans (if that’s how they formed), block UV, … Too large → outgasses massive CO2 atmosphere, greenhouse effect prevents liquid water (it all stays in the atmosphere and eventually leaks away as UV photons break up the H2O). Some rough estimates suggest that habitable planets would have to be within ...
... oceans (if that’s how they formed), block UV, … Too large → outgasses massive CO2 atmosphere, greenhouse effect prevents liquid water (it all stays in the atmosphere and eventually leaks away as UV photons break up the H2O). Some rough estimates suggest that habitable planets would have to be within ...
Chapter 28 – Stars and Galaxies
... If a Cepheid is located in another galaxy, astronomers can find the distance to these galaxies by comparing absolute and apparent ...
... If a Cepheid is located in another galaxy, astronomers can find the distance to these galaxies by comparing absolute and apparent ...
Star Formation
... Outer disk: ices and gases (Jovian Planets) Habitable Zone: region around a star where H2O can exist as liquid ...
... Outer disk: ices and gases (Jovian Planets) Habitable Zone: region around a star where H2O can exist as liquid ...
Quiz Maker - Geneva 304
... 1. What was the universe like for ancient/medieval astronomers? 2. How did Astronomy relate to religious beliefs? 3. Why has the understandings and discoveries in the field of Astronomy increased so much over the last 30 years? Our Modern Perspective of the Universe 4. Since the Copernican revolutio ...
... 1. What was the universe like for ancient/medieval astronomers? 2. How did Astronomy relate to religious beliefs? 3. Why has the understandings and discoveries in the field of Astronomy increased so much over the last 30 years? Our Modern Perspective of the Universe 4. Since the Copernican revolutio ...