Chapter 12 (in pdf)
... Types of Asteroids (based on composition) • C-type: large fraction of carbon - dark (low reflectivity), 75% of all asteroids - remnants of solar system formation? • S-type: large fraction of silicates - standard rocky material, 15% of asteroids • M-type: large fraction of iron, nickel - standard ...
... Types of Asteroids (based on composition) • C-type: large fraction of carbon - dark (low reflectivity), 75% of all asteroids - remnants of solar system formation? • S-type: large fraction of silicates - standard rocky material, 15% of asteroids • M-type: large fraction of iron, nickel - standard ...
Announcements
... What produced the organized motions? • Planets formed as part of the formation of the Sun. • Begin with region of higher density composed of H & He + traces of heavier elements in the space between the stars (called “interstellar cloud”) • Gravity makes the “cloud” collapse – Triggered possibly by e ...
... What produced the organized motions? • Planets formed as part of the formation of the Sun. • Begin with region of higher density composed of H & He + traces of heavier elements in the space between the stars (called “interstellar cloud”) • Gravity makes the “cloud” collapse – Triggered possibly by e ...
Tick Bait`s Universe Scavenger Hunt – “Going UP”
... 7. Scientisst use ___________________________________ to measure distance between stars. 8. We live in the __________________________________ spiral arm of the Milky Way Galaxy. 9. True or False: A solar system can have two suns. True ...
... 7. Scientisst use ___________________________________ to measure distance between stars. 8. We live in the __________________________________ spiral arm of the Milky Way Galaxy. 9. True or False: A solar system can have two suns. True ...
Astronomy 1010
... Processed meteorites can be removed from the surface of a planet by an impact. There are meteorites from Moon and Mars found on Earth. ...
... Processed meteorites can be removed from the surface of a planet by an impact. There are meteorites from Moon and Mars found on Earth. ...
Why does the cloud spin? The Coriolis effect
... Oort cloud. • Those beyond Neptune’s orbit remained in the ecliptic The nebular theory predicted the existence plane in what we call of the Kuiper belt 40 years before it was the Kuiper belt. discovered! ...
... Oort cloud. • Those beyond Neptune’s orbit remained in the ecliptic The nebular theory predicted the existence plane in what we call of the Kuiper belt 40 years before it was the Kuiper belt. discovered! ...
Formation of the Solar System
... All Jovians thought to have formed within 20 AU, in order to have enough accreting material. Generally migrated outward due to gravitational interactions with planetesimals over few 108 yrs. Possible that Neptune initially closer to Sun than Uranus, and they switched via an interaction. Deflection o ...
... All Jovians thought to have formed within 20 AU, in order to have enough accreting material. Generally migrated outward due to gravitational interactions with planetesimals over few 108 yrs. Possible that Neptune initially closer to Sun than Uranus, and they switched via an interaction. Deflection o ...
Guided Notes
... The Sun, our star A massive sphere of gas held together by ________________________ ...
... The Sun, our star A massive sphere of gas held together by ________________________ ...
Solar System from Web
... • The sun is a magnetically active star. • Its magnetic field is strong, and changes continually year-to-year and reverses its polarity about every eleven years, this cycle is called they Schwabe Cycle. • The sun’s magnetic field causes solar activity, including sunspots on its surface, solar flares ...
... • The sun is a magnetically active star. • Its magnetic field is strong, and changes continually year-to-year and reverses its polarity about every eleven years, this cycle is called they Schwabe Cycle. • The sun’s magnetic field causes solar activity, including sunspots on its surface, solar flares ...
Solar System Dynamics Part I: Solar System Dynamics
... Part I: Solar System Dynamics • Orbital elements & useful parameters • Orbital perturbations and their importance • Discovery of Oort Cloud and Kuiper Belt and basic facts for these ...
... Part I: Solar System Dynamics • Orbital elements & useful parameters • Orbital perturbations and their importance • Discovery of Oort Cloud and Kuiper Belt and basic facts for these ...
Kepler`s Law - New Mexico Tech
... • The sun is a magnetically active star. • Its magnetic field is strong, and changes continually year-to-year and reverses its polarity about every eleven years, this cycle is called they Schwabe Cycle. • The sun’s magnetic field causes solar activity, including sunspots on its surface, solar flares ...
... • The sun is a magnetically active star. • Its magnetic field is strong, and changes continually year-to-year and reverses its polarity about every eleven years, this cycle is called they Schwabe Cycle. • The sun’s magnetic field causes solar activity, including sunspots on its surface, solar flares ...
Now - National Geographic Magazine, UK
... several other features of the solar system. By the early 2000s they had long since realized that the birth pangs of the solar system had been violent. The planets had not condensed gently from the solar nebula; instead they had grown to full size by absorbing planetesimals—rocky asteroids, icy comet ...
... several other features of the solar system. By the early 2000s they had long since realized that the birth pangs of the solar system had been violent. The planets had not condensed gently from the solar nebula; instead they had grown to full size by absorbing planetesimals—rocky asteroids, icy comet ...
Solar System Origins
... stars in our galaxy and this suggests that most stars may have planets around them ...
... stars in our galaxy and this suggests that most stars may have planets around them ...
Triggered Star Formation by Massive Stars in Star
... BATC Workshop 2005.08.11 Weihai NGC6823 by BATC ...
... BATC Workshop 2005.08.11 Weihai NGC6823 by BATC ...
friction Pluto
... Our solar system is extremely complex. There are more objects out there than the sun and nine planets. There are many questions scientists research about our solar system, in the past, present and future. One question that has been researched is how were planets and space objects formed? One thing i ...
... Our solar system is extremely complex. There are more objects out there than the sun and nine planets. There are many questions scientists research about our solar system, in the past, present and future. One question that has been researched is how were planets and space objects formed? One thing i ...
Solar System Origins
... 6.4 The Formation of Planets Our Goals for Learning • Why are there two types of planets? • Where did asteroids and comets come from? • How do we explain the existence of our Moon and other “exceptions to the rules”? • When did the planets form? ...
... 6.4 The Formation of Planets Our Goals for Learning • Why are there two types of planets? • Where did asteroids and comets come from? • How do we explain the existence of our Moon and other “exceptions to the rules”? • When did the planets form? ...
Is Pluto a planet or a Kuiper Belt comet?
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
Great Migrations & other natural history tales
... way M_Jeans changes w.r.t. the fragment mass, Hoyle (1953) arrived at a concept of opacity-limited fragmentation. When heat gets trapped by opacity, Jeans mass ...
... way M_Jeans changes w.r.t. the fragment mass, Hoyle (1953) arrived at a concept of opacity-limited fragmentation. When heat gets trapped by opacity, Jeans mass ...
ASTR100 Class 01
... Comets eject small particles that follow the comet around in its orbit and cause meteor showers when Earth crosses the comet’s orbit. ...
... Comets eject small particles that follow the comet around in its orbit and cause meteor showers when Earth crosses the comet’s orbit. ...
Week 4
... Most extra-solar planets are discovered through the “wobble” they create in their parent star’s ...
... Most extra-solar planets are discovered through the “wobble” they create in their parent star’s ...
Solar System Survey
... Comets are icy bodies about 10 km or less across Comets can grow very long tails of gas and dust as they near the Sun and are vaporized by its heat ...
... Comets are icy bodies about 10 km or less across Comets can grow very long tails of gas and dust as they near the Sun and are vaporized by its heat ...
Comets vs. Asteroids
... a. Deep Space 1 - Comet Borrelly b. Stardust - Comet Wild 2 and returned the sample to Earth. c. Deep Impact sent a small impactor to collide with Comet Temple 1. d. EPOXI took pictures of Comet Hartley 2. e. Stardust-NExT - Comet Tempel 1. 4. From where do comets come? a. Kuiper Belt b. Oort Cloud ...
... a. Deep Space 1 - Comet Borrelly b. Stardust - Comet Wild 2 and returned the sample to Earth. c. Deep Impact sent a small impactor to collide with Comet Temple 1. d. EPOXI took pictures of Comet Hartley 2. e. Stardust-NExT - Comet Tempel 1. 4. From where do comets come? a. Kuiper Belt b. Oort Cloud ...
Asteroids,Comets, Meteor ppt.
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
Asteroids,Comets, Meteor ppt.
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
... • Why is there an asteroid belt? • Orbital resonances with Jupiter disrupted the orbits of planetesimals, preventing them from accreting into a planet. Those that were not ejected from this region make up the • How are meteorites related to asteroid belt today. Most asteroids? asteroids in other reg ...
Oort cloud
The Oort cloud (/ˈɔrt/ or /ˈʊərt/) or Öpik–Oort cloud, named after Dutch astronomer Jan Oort and Estonian astronomer Ernst Öpik, is a theoretical spherical cloud of predominantly icy planetesimals believed to surround the Sun at a distance of up to around 100,000 AU (2 ly). This places it at almost half of the distance to Proxima Centauri, the nearest star to the Sun, and in interstellar space. The Kuiper belt and the scattered disc, the other two reservoirs of trans-Neptunian objects, are less than one thousandth as far from the Sun as the Oort cloud. The outer limit of the Oort cloud defines the cosmographical boundary of the Solar System and the region of the Sun's gravitational dominance.The Oort cloud is thought to comprise two regions: a spherical outer Oort cloud and a disc-shaped inner Oort cloud, or Hills cloud. Objects in the Oort cloud are largely composed of ices, such as water, ammonia, and methane.Astronomers conjecture that the matter composing the Oort cloud formed closer to the Sun and was scattered far into space by the gravitational effects of the giant planets early in the Solar System's evolution. Although no confirmed direct observations of the Oort cloud have been made, it may be the source of all long-period and Halley-type comets entering the inner Solar System, and many of the centaurs and Jupiter-family comets as well. The outer Oort cloud is only loosely bound to the Solar System, and thus is easily affected by the gravitational pull both of passing stars and of the Milky Way itself. These forces occasionally dislodge comets from their orbits within the cloud and send them towards the inner Solar System. Based on their orbits, most of the short-period comets may come from the scattered disc, but some may still have originated from the Oort cloud.