Lecture 2a
... • Plus “debris”: comets, asteroids, meteors, etc • Outer debris: Ort cloud, Kuiper belt, scattered disc… • We’ll go over historical understanding of motion (which is “complicated” when viewed from the Earth) and later look at Solar System formation, planetary atmospheres, and planets discovered i ...
... • Plus “debris”: comets, asteroids, meteors, etc • Outer debris: Ort cloud, Kuiper belt, scattered disc… • We’ll go over historical understanding of motion (which is “complicated” when viewed from the Earth) and later look at Solar System formation, planetary atmospheres, and planets discovered i ...
Introduction to cosmology I
... What were the nature of the forces which drive the planets around? What would a body do if left alone? 1st step “identified Keplerian orbit of moon with Galilean orbit of projectile” Interaction of gravity with centrifugal force: cause of elliptical orbits Law of Gravity (1666) Force of attraction p ...
... What were the nature of the forces which drive the planets around? What would a body do if left alone? 1st step “identified Keplerian orbit of moon with Galilean orbit of projectile” Interaction of gravity with centrifugal force: cause of elliptical orbits Law of Gravity (1666) Force of attraction p ...
LESSON 10 – Earth`s History: Estimating Geologic Time
... • Geologists use rocks to tell time in two ways – In the field, they can look at a landscape and decipher the order of events that produced it – To actually know “when” an event occurred, or to know when a rock formed, requires laboratory analysis ...
... • Geologists use rocks to tell time in two ways – In the field, they can look at a landscape and decipher the order of events that produced it – To actually know “when” an event occurred, or to know when a rock formed, requires laboratory analysis ...
Facts and figures on the sun and planets
... form diamonds (according to a new hypothesis by a team at the University of California at Berkeley and experiments conducted by Robin Benedetti). Hence, a rain of diamonds may be falling toward Neptune's core, which release heat through friction with its heavy atmosphere (Curtis Rist, Discover, Sept ...
... form diamonds (according to a new hypothesis by a team at the University of California at Berkeley and experiments conducted by Robin Benedetti). Hence, a rain of diamonds may be falling toward Neptune's core, which release heat through friction with its heavy atmosphere (Curtis Rist, Discover, Sept ...
Name______________________ due date ______ period
... (1) The extinction of many life-forms occurred at the end of the Permian Period. (2) Only rocks of igneous origin formed in New York State during the Permian Period. (3) Permian-age rocks have been metamorphosed and cannot be identified. (4) Permian-age rocks were either eroded away or never formed ...
... (1) The extinction of many life-forms occurred at the end of the Permian Period. (2) Only rocks of igneous origin formed in New York State during the Permian Period. (3) Permian-age rocks have been metamorphosed and cannot be identified. (4) Permian-age rocks were either eroded away or never formed ...
Your Place in Space and Time
... This image shows the largest galaxies in our Local Group. Most galaxies are members of small groups of up to a few dozen galaxies, such as our own Local Group, or larger clusters containing up to a few thousand galaxies. ...
... This image shows the largest galaxies in our Local Group. Most galaxies are members of small groups of up to a few dozen galaxies, such as our own Local Group, or larger clusters containing up to a few thousand galaxies. ...
Venus is a rocky planet very similar in size and surface gravity to
... Venus spins even more slowly than Mercury, but it spins backwards as compared to its orbit around the Sun. The slow, backwards spin makes the Venusian day 177 Earth days long. Astronomers don't know for sure why Venus spins the way it does. The leading theory is that when Venus was a newly formed “p ...
... Venus spins even more slowly than Mercury, but it spins backwards as compared to its orbit around the Sun. The slow, backwards spin makes the Venusian day 177 Earth days long. Astronomers don't know for sure why Venus spins the way it does. The leading theory is that when Venus was a newly formed “p ...
The Early Evolution of the Atmospheres of Earth, Venus, and Mars
... Fig. 1 shows an example simulation for an Earth-like planet for either a stagnant lid case or a case where plate tectonics initiates after about 400 Myr. Secondary atmospheres with high concentrations of hydrogen have much smaller redox ratios. Atmospheres with small redox ratios are perfect environ ...
... Fig. 1 shows an example simulation for an Earth-like planet for either a stagnant lid case or a case where plate tectonics initiates after about 400 Myr. Secondary atmospheres with high concentrations of hydrogen have much smaller redox ratios. Atmospheres with small redox ratios are perfect environ ...
solar system - Math/Science Nucleus
... similar to the Moon's maria are also present. Some of the observed craters are giant impact basins like those found on the Moon. The largest is 1,300 km in diameter is called the Carloris Basin. There are also large, long scarps or one-sided ridges that cross the surface of the cratered highland. Th ...
... similar to the Moon's maria are also present. Some of the observed craters are giant impact basins like those found on the Moon. The largest is 1,300 km in diameter is called the Carloris Basin. There are also large, long scarps or one-sided ridges that cross the surface of the cratered highland. Th ...
Day_39
... Most of the extrasolar planets discovered to date are quite massive and have orbits that are very different from planets in our solar system ...
... Most of the extrasolar planets discovered to date are quite massive and have orbits that are very different from planets in our solar system ...
Comets vs. Asteroids
... Asteroids are small, rocky objects, left over from the formation of our Solar System. They range from the size of small rocks to the size of asteroid Ceres, which is more than 600 miles across. Ceres is so large, it is a dwarf planet, rather than an asteroid. ...
... Asteroids are small, rocky objects, left over from the formation of our Solar System. They range from the size of small rocks to the size of asteroid Ceres, which is more than 600 miles across. Ceres is so large, it is a dwarf planet, rather than an asteroid. ...
Physics-Y11-LP2 - All Saints` Catholic High School
... explain why different stars are seen in the night sky at different times of the year, in terms of the movement of the Earth round the Sun H: explain why a sidereal day, a rotation of 360° of the Earth, is different from a solar day due to the orbital movement of the Earth and that a sidereal day is ...
... explain why different stars are seen in the night sky at different times of the year, in terms of the movement of the Earth round the Sun H: explain why a sidereal day, a rotation of 360° of the Earth, is different from a solar day due to the orbital movement of the Earth and that a sidereal day is ...
Igneous Rocks
... GEOLOGISTS RECOGNIZE THREE TYPES OF ROCKS 1) Igneous – rocks that cool from a molten state. 2) Sedimentary – rocks that form from the eroded and weathered particles of pre-existing rocks, a “re-cycled rock”. 3) Metamorphic – rocks that form by the alteration of pre-existing rocks through heat and pr ...
... GEOLOGISTS RECOGNIZE THREE TYPES OF ROCKS 1) Igneous – rocks that cool from a molten state. 2) Sedimentary – rocks that form from the eroded and weathered particles of pre-existing rocks, a “re-cycled rock”. 3) Metamorphic – rocks that form by the alteration of pre-existing rocks through heat and pr ...
AST1001.ch3
... Overcoming the third objection (parallax): • Tycho thought he had measured stellar distances, so lack of parallax seemed to rule out an orbiting Earth. • Galileo showed stars must be much farther than Tycho thought—in part by using his telescope to see that the Milky Way is countless individual sta ...
... Overcoming the third objection (parallax): • Tycho thought he had measured stellar distances, so lack of parallax seemed to rule out an orbiting Earth. • Galileo showed stars must be much farther than Tycho thought—in part by using his telescope to see that the Milky Way is countless individual sta ...
Inferior planets.
... • He fit the five regular solids of Euclid between the orbits of the planets, which he thought was demonstration of the harmony of the universe. ...
... • He fit the five regular solids of Euclid between the orbits of the planets, which he thought was demonstration of the harmony of the universe. ...
Earth Science Vocabulary No. Word Definition Sentence Picture 1
... the earth's atmosphere between the stratosphere and the exosphere. The layer of the upper atmosphere where most atmospheric ozone is concentrated. Invisible rays that are part of the energy that comes from the sun. Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and flu ...
... the earth's atmosphere between the stratosphere and the exosphere. The layer of the upper atmosphere where most atmospheric ozone is concentrated. Invisible rays that are part of the energy that comes from the sun. Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and flu ...
Retrograde Motion pre
... Retrograde Motion As the orbital velocity of the Earth is greater than that of a superior planet, the Earth will overtake and pass a superior planet at some point during their respective orbits. This will occur as the planet's configuration is changing from western quadrature through opposition to e ...
... Retrograde Motion As the orbital velocity of the Earth is greater than that of a superior planet, the Earth will overtake and pass a superior planet at some point during their respective orbits. This will occur as the planet's configuration is changing from western quadrature through opposition to e ...
ES Chapter 29
... The Terrestrial Planets • The nine planets of our solar system can be grouped into two main categories according to their basic properties. – The terrestrial planets are the inner four planets of Mercury, Venus, Earth, and Mars that are close to the size of Earth and have solid, rocky surfaces. – Th ...
... The Terrestrial Planets • The nine planets of our solar system can be grouped into two main categories according to their basic properties. – The terrestrial planets are the inner four planets of Mercury, Venus, Earth, and Mars that are close to the size of Earth and have solid, rocky surfaces. – Th ...
Planet Information
... about the same as it is on Mercury and is 0.38 times the gravity on Earth. It was named after the Roman god of war, probably because of its red color. There are two moons that revolve around Mars. Their names are Deimos and Phobos. Some fun facts about Mars are that the largest canyon on Mars would ...
... about the same as it is on Mercury and is 0.38 times the gravity on Earth. It was named after the Roman god of war, probably because of its red color. There are two moons that revolve around Mars. Their names are Deimos and Phobos. Some fun facts about Mars are that the largest canyon on Mars would ...
Slide 1
... Rather than have the ship orbit the asteroid, it hovers over the asteroid in the direction normal to the asteroid’s orbit. The asteroid’s path was deviated by means of a physical force update, however, the orbit did not change quickly enough or smoothly enough, so direct change of the orbit’s axis ...
... Rather than have the ship orbit the asteroid, it hovers over the asteroid in the direction normal to the asteroid’s orbit. The asteroid’s path was deviated by means of a physical force update, however, the orbit did not change quickly enough or smoothly enough, so direct change of the orbit’s axis ...
13. Remnants of Rock and Ice: Asteroids, Comets, and Pluto
... • Analysis of orbits shows where comets in the inner Solar System have come from. Based on the number of comets seen in the inner Solar System and the relatively short times during which comets can survive in the inner Solar System, we conclude that the Oort cloud and Kuiper belt must contain enormo ...
... • Analysis of orbits shows where comets in the inner Solar System have come from. Based on the number of comets seen in the inner Solar System and the relatively short times during which comets can survive in the inner Solar System, we conclude that the Oort cloud and Kuiper belt must contain enormo ...
Late Heavy Bombardment
The Late Heavy Bombardment (abbreviated LHB and also known as the lunar cataclysm) is a hypothetical event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, corresponding to the Neohadean and Eoarchean eras on Earth. During this interval, a disproportionately large number of asteroids apparently collided with the early terrestrial planets in the inner Solar System, including Mercury, Venus, Earth, and Mars. The LHB happened after the Earth and other rocky planets had formed and accreted most of their mass, but still quite early in Earth's history.Evidence for the LHB derives from lunar samples brought back by the Apollo astronauts. Isotopic dating of Moon rocks implies that most impact melts occurred in a rather narrow interval of time. Several hypotheses are now offered to explain the apparent spike in the flux of impactors (i.e. asteroids and comets) in the inner Solar System, but no consensus yet exists. The Nice model is popular among planetary scientists; it postulates that the gas giant planets underwent orbital migration and scattered objects in the asteroid and/or Kuiper belts into eccentric orbits, and thereby into the path of the terrestrial planets. Other researchers argue that the lunar sample data do not require a cataclysmic cratering event near 3.9 Ga, and that the apparent clustering of impact melt ages near this time is an artifact of sampling materials retrieved from a single large impact basin. They also note that the rate of impact cratering could be significantly different between the outer and inner zones of the Solar System.