notes
... Wide Field and Planetary Camera 2 (WFPC2) for ten consecutive days between December 18 and 28, 1995. 1,500 galaxies at various stages of evolution. Most of the galaxies are so faint (nearly 30th magnitude or about four-billion times fainter than can be seen by the human eye) they have never before b ...
... Wide Field and Planetary Camera 2 (WFPC2) for ten consecutive days between December 18 and 28, 1995. 1,500 galaxies at various stages of evolution. Most of the galaxies are so faint (nearly 30th magnitude or about four-billion times fainter than can be seen by the human eye) they have never before b ...
Tools of Astronomy
... 6. All the information we receive beyond the Earth comes through the ______________ spectrum (light) radiating from other stars and galaxies. Recall that light travels as a ________. The electromagnetic spectrum is full of waves, long and________. Most of it we cannot see with our eyes, but we can b ...
... 6. All the information we receive beyond the Earth comes through the ______________ spectrum (light) radiating from other stars and galaxies. Recall that light travels as a ________. The electromagnetic spectrum is full of waves, long and________. Most of it we cannot see with our eyes, but we can b ...
Stellar Evolution – Life of a Star
... • This is the state of our Sun…a MAIN SEQUENCE STAR. It has been burning for about 4.5 billion years…and will continue to burn as such for another 4.5 billion years. • Most stars are Main Sequence Stars (recall the Hertizsprung-Russell Diagram) ...
... • This is the state of our Sun…a MAIN SEQUENCE STAR. It has been burning for about 4.5 billion years…and will continue to burn as such for another 4.5 billion years. • Most stars are Main Sequence Stars (recall the Hertizsprung-Russell Diagram) ...
Formation of the Solar System Chapter 8
... The idea that the solar system was born from the collapse of a cloud of dust and gas for proposed by Immanuel Kant (1755) and by Pierre Simon Laplace 40 years later. During the first part of the 20th century, some proposed that the solar system was the result of a near collision of the Sun with anot ...
... The idea that the solar system was born from the collapse of a cloud of dust and gas for proposed by Immanuel Kant (1755) and by Pierre Simon Laplace 40 years later. During the first part of the 20th century, some proposed that the solar system was the result of a near collision of the Sun with anot ...
Which Objects Represent the Eight Planets in Our
... new, scientifically accepted definition of the word, “planet”. According to these scientists, a planet must have three characteristics: a) It must orbit a Star (Sun) b) It must have enough mass for its self-gravity to form it into a spherical shape c) It must have “cleared” nearby objects away from ...
... new, scientifically accepted definition of the word, “planet”. According to these scientists, a planet must have three characteristics: a) It must orbit a Star (Sun) b) It must have enough mass for its self-gravity to form it into a spherical shape c) It must have “cleared” nearby objects away from ...
Chapter 12 Stellar Evolution
... Which of the following are old stars with no current nuclear reactions? A. red giants B. main sequence stars C. white dwarfs D. proto stars ...
... Which of the following are old stars with no current nuclear reactions? A. red giants B. main sequence stars C. white dwarfs D. proto stars ...
Neutron Stars
... A. Yes, because due to conservation of angular momentum the neutron star will always be spinning. B. Yes, neutron stars always give off pulses of light which we can detect with sensitive enough telescopes. C. No, some neutron stars don’t spin. D. No, it depends on the orientation of the neutron ...
... A. Yes, because due to conservation of angular momentum the neutron star will always be spinning. B. Yes, neutron stars always give off pulses of light which we can detect with sensitive enough telescopes. C. No, some neutron stars don’t spin. D. No, it depends on the orientation of the neutron ...
What Makes a Planet Habitable?
... mentioned before already; this magnetic wind carries away angular momentum from the star and so lets it spin down. The star’s progressively slower rotation weakens the internal dynamo in turn, producing less magnetic activity, and so the ultraviolet and X-ray emissions decline with time in a rather ...
... mentioned before already; this magnetic wind carries away angular momentum from the star and so lets it spin down. The star’s progressively slower rotation weakens the internal dynamo in turn, producing less magnetic activity, and so the ultraviolet and X-ray emissions decline with time in a rather ...
Stars and Galaxies - Lunar and Planetary Institute
... from all directions at once radiation left over from the Big Bang In June 1995, scientists detected helium in the far reaches of the universe - consistent with an important aspect of the Big Bang theory that a mixture of hydrogen (75%) and helium (25%) was created at the beginning of the universe ...
... from all directions at once radiation left over from the Big Bang In June 1995, scientists detected helium in the far reaches of the universe - consistent with an important aspect of the Big Bang theory that a mixture of hydrogen (75%) and helium (25%) was created at the beginning of the universe ...
Stellar Evolution – Life of a Star
... have a temperature of about 5800oK and a luminosity of 1.0 (This number is used to compare a star’s brightness to our Sun. Thus, we are 1.0) • Below this information is the radius (size) of the star. This number is also compared to our Sun. Again, we are 1.0. • Note that you can click and drag the r ...
... have a temperature of about 5800oK and a luminosity of 1.0 (This number is used to compare a star’s brightness to our Sun. Thus, we are 1.0) • Below this information is the radius (size) of the star. This number is also compared to our Sun. Again, we are 1.0. • Note that you can click and drag the r ...
Perimeter Dark Matter Online Game Worksheet #2 1. Match the
... a. Physicists know exactly what dark matter is. b. Physicists have no idea what dark matter is. c. Only some physicists know what dark matter is made of. d. Physicists have some ideas about dark matter, which they are currently testing by experiments. 6. What can you add to a galaxy that increases m ...
... a. Physicists know exactly what dark matter is. b. Physicists have no idea what dark matter is. c. Only some physicists know what dark matter is made of. d. Physicists have some ideas about dark matter, which they are currently testing by experiments. 6. What can you add to a galaxy that increases m ...
File
... •Stars twinkle because the light is distorted by Earth’s atmosphere. •All stars have one thing in common, the way they produce energy. •The energy comes from nuclear reactions that change hydrogen into helium. It is as if millions of atomic bombs were going off every second inside the star. •Unlike ...
... •Stars twinkle because the light is distorted by Earth’s atmosphere. •All stars have one thing in common, the way they produce energy. •The energy comes from nuclear reactions that change hydrogen into helium. It is as if millions of atomic bombs were going off every second inside the star. •Unlike ...
Stellar Evolution Chapter 12
... a. Giant molecular clouds do not contain enough material. b. General relativity does not allow such massive objects to exist. c. The rotation rate is so high that such an object splits into a pair of stars. d. Objects above this mass fuse hydrogen too rapidly and cannot stay together. e. Objects abo ...
... a. Giant molecular clouds do not contain enough material. b. General relativity does not allow such massive objects to exist. c. The rotation rate is so high that such an object splits into a pair of stars. d. Objects above this mass fuse hydrogen too rapidly and cannot stay together. e. Objects abo ...
Stellar Remnants
... • an odd radio signal with a rapid pulse rate of one burst per 1.33 seconds • more pulsating radio sources were discovered and eventually were named pulsars • No clue what they were! ...
... • an odd radio signal with a rapid pulse rate of one burst per 1.33 seconds • more pulsating radio sources were discovered and eventually were named pulsars • No clue what they were! ...
Telescope Lab - Harvard-Smithsonian Center for Astrophysics
... Taking an image. Explain to students that they will control the robotic telescope remotely. They will select the target star and several observing times. At night, the telescope will automatically point to ...
... Taking an image. Explain to students that they will control the robotic telescope remotely. They will select the target star and several observing times. At night, the telescope will automatically point to ...
Milky Way - Wayne Hu`s Tutorials
... • Example: Stars in a moving cluster share a single total velocity whose direction can be inferred from apparent convergent motion (see Fig 24.30) ...
... • Example: Stars in a moving cluster share a single total velocity whose direction can be inferred from apparent convergent motion (see Fig 24.30) ...
Study Guide for 1ST Astronomy Exam
... 4. Final stage of planet growth is a late-stage heavy bombardment. o When the Sun “turned on” t-Tauri winds cleaned out the solar system of loose gas and dust terminating the planet formation process. Unit 49: The Sun, Our Star Describe the Sun in terms of a 2-layer model (49.2 and Hot Tips presen ...
... 4. Final stage of planet growth is a late-stage heavy bombardment. o When the Sun “turned on” t-Tauri winds cleaned out the solar system of loose gas and dust terminating the planet formation process. Unit 49: The Sun, Our Star Describe the Sun in terms of a 2-layer model (49.2 and Hot Tips presen ...
PHYS3380_102615_bw
... We have observed disks around other stars. These could be new planetary systems in formation. ...
... We have observed disks around other stars. These could be new planetary systems in formation. ...
The H-R Diagram
... our atmosphere. This C14 has a half-life of 5,730 years and is incorporated like other carbon into living tissue and is a very useful “clock” for age-dating recent fossils. Use the ratio of C14/C12 ratio in air as a starting point in your plant sample, and measure the ratio incorporated in your samp ...
... our atmosphere. This C14 has a half-life of 5,730 years and is incorporated like other carbon into living tissue and is a very useful “clock” for age-dating recent fossils. Use the ratio of C14/C12 ratio in air as a starting point in your plant sample, and measure the ratio incorporated in your samp ...