Astronomy Chapter 11 – Meteors, Comets and Asteroids A. Main
... radioactive material, which can be used to determine the age of the meteorite. Most have been dated to be around 4.5 billion years old. ⇒ In some meteorites the chondrules are embedded in a black, carbon-rich, coal-like substance. These meteorites contain organic compounds including amino acids, whi ...
... radioactive material, which can be used to determine the age of the meteorite. Most have been dated to be around 4.5 billion years old. ⇒ In some meteorites the chondrules are embedded in a black, carbon-rich, coal-like substance. These meteorites contain organic compounds including amino acids, whi ...
UV Radiation in Different Stellar Systems
... assume that the most likely places to find evidence of life beyond Earth are those that have similar physical parameters to our home planet. Therefore, the main target for these kind of studies are the solar-type stars, which are similar to the Sun in mass and evolutionary state. In practical terms, ...
... assume that the most likely places to find evidence of life beyond Earth are those that have similar physical parameters to our home planet. Therefore, the main target for these kind of studies are the solar-type stars, which are similar to the Sun in mass and evolutionary state. In practical terms, ...
It would take more than 150 years driving in a
... space could cut an astronaut? That’s one of the reasons astronauts wear space suits. The suits also help the astronauts breathe and keep them from freezing to death (at 250 degrees below zero) or boiling to death (at 250 degrees above zero). ...
... space could cut an astronaut? That’s one of the reasons astronauts wear space suits. The suits also help the astronauts breathe and keep them from freezing to death (at 250 degrees below zero) or boiling to death (at 250 degrees above zero). ...
Lecture (Powerpoint)
... Enzymes can march along the strand, separating it in two Each strand can then be matched up with the corresponding nucleotides, and rebuild its second half ...
... Enzymes can march along the strand, separating it in two Each strand can then be matched up with the corresponding nucleotides, and rebuild its second half ...
Comets, Asteroids, and Meteors- Oh My!
... • Definition: objects that are too small and numerous to be considered planets • Rocky – 75% of all asteroids • Iron (metals) – 7% of all asteroids • Mixed (rock and iron blended) – 18% of all asteroids ...
... • Definition: objects that are too small and numerous to be considered planets • Rocky – 75% of all asteroids • Iron (metals) – 7% of all asteroids • Mixed (rock and iron blended) – 18% of all asteroids ...
Cosmic Samples & Origin of Solar System
... from their interior and the impacts of volatilerich debris from the outer solar system It is likely that all the terrestrial planets originally had similar atmospheres Mercury and the Moon were apparently too small to retain their atmospheres Venus seemed to have experienced a runaway greenhouse eff ...
... from their interior and the impacts of volatilerich debris from the outer solar system It is likely that all the terrestrial planets originally had similar atmospheres Mercury and the Moon were apparently too small to retain their atmospheres Venus seemed to have experienced a runaway greenhouse eff ...
Big Bang
... • Asteroids - small, solid objects in the Solar System • Comets - small bodies in the Solar System that (at least occasionally) exhibit a coma (or atmosphere) and/or a tail • Meteorites - small extraterrestrial body that reaches the Earth's surface ...
... • Asteroids - small, solid objects in the Solar System • Comets - small bodies in the Solar System that (at least occasionally) exhibit a coma (or atmosphere) and/or a tail • Meteorites - small extraterrestrial body that reaches the Earth's surface ...
Space - WG Murdoch School
... Without protection in space: you would face extreme changes in temperature: 120 o C - -100 o C you would be exposed to various types of radiation, such as cosmic rays, and charged particles emitted from the sun (solar wind). you could be hit by small particles of dust or rock that move at high speed ...
... Without protection in space: you would face extreme changes in temperature: 120 o C - -100 o C you would be exposed to various types of radiation, such as cosmic rays, and charged particles emitted from the sun (solar wind). you could be hit by small particles of dust or rock that move at high speed ...
Comets, Meteors and Asteroids - 6th Grade Science with Mrs. Voris
... Most asteroids are small—less than a kilometer in diameter. Only Ceres, Pallas, and Vesta are more than 300 kilometers across. At one time, scientists thought that asteroids were the remains of a shattered planet. However, the combined mass of all the asteroids is too small to support this idea. Sci ...
... Most asteroids are small—less than a kilometer in diameter. Only Ceres, Pallas, and Vesta are more than 300 kilometers across. At one time, scientists thought that asteroids were the remains of a shattered planet. However, the combined mass of all the asteroids is too small to support this idea. Sci ...
Where Is Everybody? - Center for Peripheral Studies
... the orbiting telescope that bears Hubble’s name. On many of those billions of planets, conditions are probably favorable to the emergence of carbon-and-water based life forms. In the half-century since Fermi posed his question, biologists and paleontologists have been as active as cosmologists in po ...
... the orbiting telescope that bears Hubble’s name. On many of those billions of planets, conditions are probably favorable to the emergence of carbon-and-water based life forms. In the half-century since Fermi posed his question, biologists and paleontologists have been as active as cosmologists in po ...
The Solar System Sections 16.1-16.8
... Formation of the Solar System • Began with a large, swirling volume of cold gases and dust – a rotating solar nebula • Contracted under the influence of its own gravity – into a flattened, rotating disk • Further contraction produced the protosun and eventually accreted the planets • As particles m ...
... Formation of the Solar System • Began with a large, swirling volume of cold gases and dust – a rotating solar nebula • Contracted under the influence of its own gravity – into a flattened, rotating disk • Further contraction produced the protosun and eventually accreted the planets • As particles m ...
The Origin of Our Solar System
... • When our cloud of spinning matter was spinning as “fast as it could,” the disk began to shed layers – leaving behind rings of matter. This is a painting of the early solar system, according to Laplace, from NASA’s website. ...
... • When our cloud of spinning matter was spinning as “fast as it could,” the disk began to shed layers – leaving behind rings of matter. This is a painting of the early solar system, according to Laplace, from NASA’s website. ...
Unit XII Study Guide
... ____ 23. Galaxies are classified into four groups based on their a. shapes. c. number of stars. b. sizes. d. brightness. ____ 24. When the absorption lines of a galaxy shift toward the blue end of the spectrum, it means that the galaxy is a. Moving away from Earth. c. moving closer to Earth. b. smal ...
... ____ 23. Galaxies are classified into four groups based on their a. shapes. c. number of stars. b. sizes. d. brightness. ____ 24. When the absorption lines of a galaxy shift toward the blue end of the spectrum, it means that the galaxy is a. Moving away from Earth. c. moving closer to Earth. b. smal ...
Benchmark One Study Guide: Science Benchmark Wed
... 1. What is the force that governs motion in the solar system? Gravity 2. What two factors affect the gravitational force between two objects? Mass and Distance 3. Why do the planets revolve around the Sun? Because the Sun is the largest object in our solar system, it has the most mass, so it has the ...
... 1. What is the force that governs motion in the solar system? Gravity 2. What two factors affect the gravitational force between two objects? Mass and Distance 3. Why do the planets revolve around the Sun? Because the Sun is the largest object in our solar system, it has the most mass, so it has the ...
The difference between asteroids and meteorites
... Earth. In addition to the asteroid belt, however, there have been recent discussions among astronomers about the potential existence of large number asteroids in the Kuiper Belt and Oort Cloud. Asteroids are sometimes referred to as minor planets or planetoids, but in general, they are rocky bodies ...
... Earth. In addition to the asteroid belt, however, there have been recent discussions among astronomers about the potential existence of large number asteroids in the Kuiper Belt and Oort Cloud. Asteroids are sometimes referred to as minor planets or planetoids, but in general, they are rocky bodies ...
Worksheet 1
... disk of gas and dust G. A planet orbiting in the inner part of the Solar System H. A planet not orbiting our Sun I. The Sun, planets, their moons, and other bodies that orbit the Sun J. A cloud of gas and dust in between the stars K. One of the giant, gaseous planets: Jupiter, Saturn, Uranus, Neptun ...
... disk of gas and dust G. A planet orbiting in the inner part of the Solar System H. A planet not orbiting our Sun I. The Sun, planets, their moons, and other bodies that orbit the Sun J. A cloud of gas and dust in between the stars K. One of the giant, gaseous planets: Jupiter, Saturn, Uranus, Neptun ...
Facilitator Information - Lunar and Planetary Institute
... Astrobiology is a branch of biology concerned with the search for life outside the Earth and with the effects of extraterrestrial environments on living organisms. ...
... Astrobiology is a branch of biology concerned with the search for life outside the Earth and with the effects of extraterrestrial environments on living organisms. ...
Date - Penn Physics
... The tutorials in boldface should be completed and submitted prior to class. The movies are strongly recommend. The other online materials and materials from the SkyGazer CD Rom are optional. (The recommended SkyGazer items are listed in the expanded syllabus available on the Blackboard course websit ...
... The tutorials in boldface should be completed and submitted prior to class. The movies are strongly recommend. The other online materials and materials from the SkyGazer CD Rom are optional. (The recommended SkyGazer items are listed in the expanded syllabus available on the Blackboard course websit ...
Sorting the Solar System - California Academy of Sciences
... 5a. Students know the Sun, an average star, is the central and largest body in the solar system and is composed primarily of hydrogen and helium. 5b. Students know the solar system includes the planet Earth, the Moon, the Sun, eight other planets and their satellites, and smaller objects, such as as ...
... 5a. Students know the Sun, an average star, is the central and largest body in the solar system and is composed primarily of hydrogen and helium. 5b. Students know the solar system includes the planet Earth, the Moon, the Sun, eight other planets and their satellites, and smaller objects, such as as ...
Passport to the Universe Educator`s Guide Text
... the Earth and the other planets in the larger scheme of things. From out here, the sizes of and distances between the Earth, Sun, and other planets appear relatively small. On our trip, we pass three of the eight planets—Mars, Jupiter (and its moons, Io and Europa), and Saturn. We now head out for ...
... the Earth and the other planets in the larger scheme of things. From out here, the sizes of and distances between the Earth, Sun, and other planets appear relatively small. On our trip, we pass three of the eight planets—Mars, Jupiter (and its moons, Io and Europa), and Saturn. We now head out for ...
NAEP Space Worksheet
... equipment etc. They have to travel in a vehicle which will protect them from the heat of take-off and reentry. The same vehicle also has to protect them from the environment of space (more on this later). All of these needs mean that space ships get to be quite big and very heavy. ...
... equipment etc. They have to travel in a vehicle which will protect them from the heat of take-off and reentry. The same vehicle also has to protect them from the environment of space (more on this later). All of these needs mean that space ships get to be quite big and very heavy. ...
Contributions of astronomy to all of science
... Over very long time scales, this movement refreshes the surface of the earth and its atmosphere, and is responsible for volcanic activity, earthquakes, and the formation of mountains. The rate at which the plates move across the surface of the earth is now being measured accurately by radio astr ...
... Over very long time scales, this movement refreshes the surface of the earth and its atmosphere, and is responsible for volcanic activity, earthquakes, and the formation of mountains. The rate at which the plates move across the surface of the earth is now being measured accurately by radio astr ...
Space I - Aboriginal Access to Engineering
... equipment etc. They have to travel in a vehicle which will protect them from the heat of take-off and reentry. The same vehicle also has to protect them from the environment of space (more on this later). All of these needs mean that space ships get to be quite big and very heavy. ...
... equipment etc. They have to travel in a vehicle which will protect them from the heat of take-off and reentry. The same vehicle also has to protect them from the environment of space (more on this later). All of these needs mean that space ships get to be quite big and very heavy. ...
Panspermia
Panspermia (from Greek πᾶν (pan), meaning ""all"", and σπέρμα (sperma), meaning ""seed"") is the hypothesis that life exists throughout the Universe, distributed by meteoroids, asteroids, comets, planetoids and, also, by spacecraft in the form of unintended contamination by microorganisms.Panspermia is a hypothesis proposing that microscopic life forms that can survive the effects of space, such as extremophiles, become trapped in debris that is ejected into space after collisions between planets and small Solar System bodies that harbor life. Some organisms may travel dormant for an extended amount of time before colliding randomly with other planets or intermingling with protoplanetary disks. If met with ideal conditions on a new planet's surfaces, the organisms become active and the process of evolution begins. Panspermia is not meant to address how life began, just the method that may cause its distribution in the Universe.Pseudo-panspermia (sometimes called ""soft panspermia"" or ""molecular panspermia"") argues that the pre-biotic organic building blocks of life originated in space and were incorporated in the solar nebula from which the planets condensed and were further —and continuously— distributed to planetary surfaces where life then emerged (abiogenesis). From the early 1970s it was becoming evident that interstellar dust consisted of a large component of organic molecules. Interstellar molecules are formed by chemical reactions within very sparse interstellar or circumstellar clouds of dust and gas. The dust plays a critical role of shielding the molecules from the ionizing effect of ultraviolet radiation emitted by stars.Several simulations in laboratories and in low Earth orbit suggest that ejection, entry and impact is survivable for some simple organisms.