molecular clouds
... • Once sufficient temperature (>= 10 million degrees K) and pressure is reached in the core of the protostar, nuclear fusion begins and the protostar has now officially become a star ...
... • Once sufficient temperature (>= 10 million degrees K) and pressure is reached in the core of the protostar, nuclear fusion begins and the protostar has now officially become a star ...
Chapter 17 and 18 Vocabulary Quist
... 41. The hottest stars are this color _____________________ 42. Dark cooler areas of the Sun’s surface are called __________________ 43. A very high energy object in space that is very far away is called a _____________________ 44. Our Sun is considered to be a star of this color ___________________ ...
... 41. The hottest stars are this color _____________________ 42. Dark cooler areas of the Sun’s surface are called __________________ 43. A very high energy object in space that is very far away is called a _____________________ 44. Our Sun is considered to be a star of this color ___________________ ...
The movements of planets and other nearby objects are visible from
... in the sky from night to night. The apparent movement of the sky led early astronomers to believe that Earth was at the center of the universe. Later astronomers discovered that Earth and the other planets orbit the Sun. The timeline on pages 446–449 introduces some of the astronomers who helped dis ...
... in the sky from night to night. The apparent movement of the sky led early astronomers to believe that Earth was at the center of the universe. Later astronomers discovered that Earth and the other planets orbit the Sun. The timeline on pages 446–449 introduces some of the astronomers who helped dis ...
Ch. 4 review
... oxygen, neon, calcium, magnesium, silicon, and iron These were then expelled into space by - stellar winds (happening with our sun now) - planetary nebulae (not planets, but similar appearance to early astronomers) - see slides - nova and supernova explosions (which also create the heavier elements, ...
... oxygen, neon, calcium, magnesium, silicon, and iron These were then expelled into space by - stellar winds (happening with our sun now) - planetary nebulae (not planets, but similar appearance to early astronomers) - see slides - nova and supernova explosions (which also create the heavier elements, ...
100 X size of Sun - East Penn School District
... • 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 fixed distance of ten parsecs (about 32.6 light years) • How is brightness ...
... • 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 fixed distance of ten parsecs (about 32.6 light years) • How is brightness ...
Space 8.1 notes
... amounts of energy and is held together by its own gravity, keeping it intact Stars are considered luminous because they produce and give off their own light. SUN The sun is an average sized star, as most stars are significantly larger than our sun The sun looks large to our eyes because it is ...
... amounts of energy and is held together by its own gravity, keeping it intact Stars are considered luminous because they produce and give off their own light. SUN The sun is an average sized star, as most stars are significantly larger than our sun The sun looks large to our eyes because it is ...
Star Life Cycles
... A white dwarf is a star that has exhausted most or all of its nuclear fuel and has collapsed to a very small size; such a star is near its final stage of life. White dwarfs eventually become black dwarfs, which is a white dwarf that has cooled down enough that it no longer emits light. Interes ...
... A white dwarf is a star that has exhausted most or all of its nuclear fuel and has collapsed to a very small size; such a star is near its final stage of life. White dwarfs eventually become black dwarfs, which is a white dwarf that has cooled down enough that it no longer emits light. Interes ...
07 September: The Solar System in a Stellar Context
... Distance to Sun in terms of light travel time d=vt (like driving to Des Moines) t=d/v The fastest anything can travel is speed of light = c = 2.9979E+08 meters/sec Distance to Sun = 1 au = 1.496E+11 meters (see Appendix 1), so light travel time from Sun is t=d/c =1.496E+11/2.9979E+08 = t=499.02 sec ...
... Distance to Sun in terms of light travel time d=vt (like driving to Des Moines) t=d/v The fastest anything can travel is speed of light = c = 2.9979E+08 meters/sec Distance to Sun = 1 au = 1.496E+11 meters (see Appendix 1), so light travel time from Sun is t=d/c =1.496E+11/2.9979E+08 = t=499.02 sec ...
STARS
... • The nearest star to Earth is the Sun, which is the source of most of the energy on Earth. • Stars are big exploding balls of gas, that are mostly hydrogen and helium. • A star begins as a collapsing cloud of material composed primarily of hydrogen, along with helium and trace amounts of heavier el ...
... • The nearest star to Earth is the Sun, which is the source of most of the energy on Earth. • Stars are big exploding balls of gas, that are mostly hydrogen and helium. • A star begins as a collapsing cloud of material composed primarily of hydrogen, along with helium and trace amounts of heavier el ...
Big Bang
... objects together, the dust and gas from the explosion started to come back together and form the ____galaxies, stars and planets________. Scientists believe that the Earth formed about _____4.5________ billion years ago. (That means it took almost 10 billion years after the Big Bang for the Earth to ...
... objects together, the dust and gas from the explosion started to come back together and form the ____galaxies, stars and planets________. Scientists believe that the Earth formed about _____4.5________ billion years ago. (That means it took almost 10 billion years after the Big Bang for the Earth to ...
Document
... • Visible Light: light we see coming from the sun or the stars. But there is still radiation, and other waves we can not see from space. Special telescopes have been developed to detect the different types of invisible radiation. • Keck I and Keck II largest telescopes in the world. • Hubble Telesco ...
... • Visible Light: light we see coming from the sun or the stars. But there is still radiation, and other waves we can not see from space. Special telescopes have been developed to detect the different types of invisible radiation. • Keck I and Keck II largest telescopes in the world. • Hubble Telesco ...
Astronomy Galaxies & The Universe
... uses data from lots of stars, so there are lots of dots. The position of each dot on the diagram corresponds to the star's luminosity and its temperature The vertical position represents the star's luminosity (absolute magnitude). The horizontal position represents the star's surface temperature ...
... uses data from lots of stars, so there are lots of dots. The position of each dot on the diagram corresponds to the star's luminosity and its temperature The vertical position represents the star's luminosity (absolute magnitude). The horizontal position represents the star's surface temperature ...
Physical Attributes of Stars
... d. Identify how technology is used to observe distant objects in the sky. S4E2. Students will model the position and motion of the earth in the solar system and will explain the role of relative position and motion in determining sequence of the phases of the moon. a. Explain the day/night cycle of ...
... d. Identify how technology is used to observe distant objects in the sky. S4E2. Students will model the position and motion of the earth in the solar system and will explain the role of relative position and motion in determining sequence of the phases of the moon. a. Explain the day/night cycle of ...
iaf2001_paper (doc - 1.8 MB)
... detection domain to cases where the observation window is not long enough to show a periodicity. ...
... detection domain to cases where the observation window is not long enough to show a periodicity. ...
Solar_System_Vocab_1
... Inner planet – any of the four planets closest to the Sun (Mercury, Venus, Earth, and Mars). o The distinction between “inner” and “outer” is due to the very large gap between Mars’ orbit and Jupiter’s orbit. o There is a large asteroid belt between the inner planets and the outer planets. ...
... Inner planet – any of the four planets closest to the Sun (Mercury, Venus, Earth, and Mars). o The distinction between “inner” and “outer” is due to the very large gap between Mars’ orbit and Jupiter’s orbit. o There is a large asteroid belt between the inner planets and the outer planets. ...
Document
... Even if the multiple images are too close together to be resolved separately, they will still make the background source appear (temporarily) brighter. We call this case gravitational microlensing. We can plot a light curve showing how the brightness of the background source changes with time. If t ...
... Even if the multiple images are too close together to be resolved separately, they will still make the background source appear (temporarily) brighter. We call this case gravitational microlensing. We can plot a light curve showing how the brightness of the background source changes with time. If t ...
4 x What Powers the Sun? • Need to provide
... Stellar Evolution Here: Evolution through nuclear burning. Minitial > 2M Minitial < 2M ...
... Stellar Evolution Here: Evolution through nuclear burning. Minitial > 2M Minitial < 2M ...
Introduction to the EarthESci 100Dr. Albanese, Tuesdays and
... 12. Galileo built the first known telescope. 13. Although current technology will allow the construction of much larger optical telescopes, astronomers see no advantage in building these larger instruments. 14. The large size of some of the volcanoes on Mars is due to an earlier period of plate tect ...
... 12. Galileo built the first known telescope. 13. Although current technology will allow the construction of much larger optical telescopes, astronomers see no advantage in building these larger instruments. 14. The large size of some of the volcanoes on Mars is due to an earlier period of plate tect ...
Ch. 27.3 Star Groups
... One complete rotation in 200 million years. Our sun is about 30,000 light-years from the center. ...
... One complete rotation in 200 million years. Our sun is about 30,000 light-years from the center. ...