Dust in Space - Max-Planck
... dust detectors for space probes for a long time. These include Giotto (Halley’s comet), Galileo (Jupiter) and Cassini (Saturn). When dust is heated by stars in its vicinity, it emits infrared radiation. The total mass of the dust can be calculated from the intensity of the radiation. The further awa ...
... dust detectors for space probes for a long time. These include Giotto (Halley’s comet), Galileo (Jupiter) and Cassini (Saturn). When dust is heated by stars in its vicinity, it emits infrared radiation. The total mass of the dust can be calculated from the intensity of the radiation. The further awa ...
Document
... From gas to dust to planets: Formation of our Solar System: The chemical elements formed in the interiors of stars. Dying stars ejected material into interstellar space, and presolar grains and amorphous material condensed in stellar atmospheres of stars such as Red Giants, AGB stars, and supernova ...
... From gas to dust to planets: Formation of our Solar System: The chemical elements formed in the interiors of stars. Dying stars ejected material into interstellar space, and presolar grains and amorphous material condensed in stellar atmospheres of stars such as Red Giants, AGB stars, and supernova ...
Student Worksheet - Indiana University Astronomy
... Dust is an important component of the Universe. Dust is found in interstellar space in the clouds of the diffuse interstellar medium, as well as in denser molecular clouds and around young stellar objects and planetary systems. Dust is formed in the stellar winds blowing from old, evolved stars, and ...
... Dust is an important component of the Universe. Dust is found in interstellar space in the clouds of the diffuse interstellar medium, as well as in denser molecular clouds and around young stellar objects and planetary systems. Dust is formed in the stellar winds blowing from old, evolved stars, and ...
Chapter 1: Solar System
... b. What are the different parts of a comet? A comet has two parts: the head and the tail. The head consists of the nucleus and coma. The nucleus is a solid inner core, while the coma is the fuzzy outer layer of the head which is essentially a cloud of dust and gas. The tail contains dust and gas tha ...
... b. What are the different parts of a comet? A comet has two parts: the head and the tail. The head consists of the nucleus and coma. The nucleus is a solid inner core, while the coma is the fuzzy outer layer of the head which is essentially a cloud of dust and gas. The tail contains dust and gas tha ...
Lecture11
... • Stars are born from this gas and dust, collectively known as the interstellar medium. • During their lifetime, stars may return some material to the ISM through surface winds or explosive events • In supernova explosions, most of the star is dispersed throughout the ISM. ...
... • Stars are born from this gas and dust, collectively known as the interstellar medium. • During their lifetime, stars may return some material to the ISM through surface winds or explosive events • In supernova explosions, most of the star is dispersed throughout the ISM. ...
Ch 18
... Light from distant stars may pass through more than one nebula; it is often possible to sort out the spectra of the star and the nebulae: ...
... Light from distant stars may pass through more than one nebula; it is often possible to sort out the spectra of the star and the nebulae: ...
Diapositiva 1
... enormous but extremely faint halo of gaseous material, over three lightyears across, which surrounds the brighter, familiar planetary nebula. Made with data from the Nordic Optical Telescope in the Canary Islands, the composite picture shows extended emission from the nebula. Planetary nebulae have ...
... enormous but extremely faint halo of gaseous material, over three lightyears across, which surrounds the brighter, familiar planetary nebula. Made with data from the Nordic Optical Telescope in the Canary Islands, the composite picture shows extended emission from the nebula. Planetary nebulae have ...
Starbirth and Interstellar Matter
... B. the extinction of starlight by dust in the way. C. ionized hydrogen (If II) glowing around hot young stars. D. the blue light being diffused by the dust around the stars. 26. In a condensing star, the leftover gas might make ______ planets while the dust might condense into __________ planets. A. ...
... B. the extinction of starlight by dust in the way. C. ionized hydrogen (If II) glowing around hot young stars. D. the blue light being diffused by the dust around the stars. 26. In a condensing star, the leftover gas might make ______ planets while the dust might condense into __________ planets. A. ...
Part 2: Solar System Formation
... • Within the disk, material is constantly colliding with one another. If the collisions are not too violent material may stick together. • In the outer parts of the Solar Nebula the planets become large enough to have a significant gravitational pull and collect gas around them. • Planets in the inn ...
... • Within the disk, material is constantly colliding with one another. If the collisions are not too violent material may stick together. • In the outer parts of the Solar Nebula the planets become large enough to have a significant gravitational pull and collect gas around them. • Planets in the inn ...
cocoon - Adams State University
... It is made up of 70% hydrogen, 28% helium, and 2% heavier atoms and molecules. ...
... It is made up of 70% hydrogen, 28% helium, and 2% heavier atoms and molecules. ...
Replenishing the ISM - Stockton University
... • In 1930, R.J. Trumpler plotted the angular diameter of clusters vs. distance to cluster. – Distance found from inverse square law of brightness. – He found a systematic increase of the linear size of the clusters with distance. – Unreasonable! It would mean that nature had put the Sun at a special ...
... • In 1930, R.J. Trumpler plotted the angular diameter of clusters vs. distance to cluster. – Distance found from inverse square law of brightness. – He found a systematic increase of the linear size of the clusters with distance. – Unreasonable! It would mean that nature had put the Sun at a special ...
isml1
... Not penetrated by optical and UV photons. Little ionisation. Material is mostly molecular, dominant species is H2. Over 60 molecules detected, mostly via radio astronomy. Masses 1 – 500 solar masses, size ~ 1-5 pc Typically can form 1 or a couple of low-mass (solar mass) stars. ...
... Not penetrated by optical and UV photons. Little ionisation. Material is mostly molecular, dominant species is H2. Over 60 molecules detected, mostly via radio astronomy. Masses 1 – 500 solar masses, size ~ 1-5 pc Typically can form 1 or a couple of low-mass (solar mass) stars. ...
Nebular Theory worksheet 2017
... Using the infrared Astronomical Satellite (IRAS), the National Aeronautics and Space Administration (NASA) recently discovered two “new” or “young” stars which were orbited by large clouds of tiny particles, mostly gas and dust. It is proposed that the dust clouds, pulled together by gravity will ev ...
... Using the infrared Astronomical Satellite (IRAS), the National Aeronautics and Space Administration (NASA) recently discovered two “new” or “young” stars which were orbited by large clouds of tiny particles, mostly gas and dust. It is proposed that the dust clouds, pulled together by gravity will ev ...
Interstellar Medium (ISM) Star Formation Formation of Planetary Systems
... a gas; and the baryonic dark matter probably still is • Stars are formed out of the ISM, and return enriched gas to it via stellar winds, planetary nebulae, Supernovae - a cosmic ecology • A complex physical system with many components and structures ...
... a gas; and the baryonic dark matter probably still is • Stars are formed out of the ISM, and return enriched gas to it via stellar winds, planetary nebulae, Supernovae - a cosmic ecology • A complex physical system with many components and structures ...
Stars and Nebula
... – Temp ~0-300 K (Ave. 100 K) – Low density ~106 atoms/m3 – gas • individual atoms • 90% H, 9% He, + trace elements ...
... – Temp ~0-300 K (Ave. 100 K) – Low density ~106 atoms/m3 – gas • individual atoms • 90% H, 9% He, + trace elements ...
ASTR 1020 – Spring 2017 – Prof. Magnani Answer Key – Homework 5
... A B8 main sequence star puts most of its electromagnetic radiation in the UV (just plug in its surface temperature, 12,300 K, in the equation we used in problem 7). It is UV radiation that ionized hydrogen. A K0 giant may have the same luminosity, but most of its light is coming out in the orange pa ...
... A B8 main sequence star puts most of its electromagnetic radiation in the UV (just plug in its surface temperature, 12,300 K, in the equation we used in problem 7). It is UV radiation that ionized hydrogen. A K0 giant may have the same luminosity, but most of its light is coming out in the orange pa ...
Busemann_final - University of Hertfordshire
... An international team of scientists has found some of the most primitive matter containing abundant interstellar material analysed to date amongst dust particles collected from the upper atmosphere by NASA aircraft. The samples were gathered in April 2003 during the Earth's passage through the dust ...
... An international team of scientists has found some of the most primitive matter containing abundant interstellar material analysed to date amongst dust particles collected from the upper atmosphere by NASA aircraft. The samples were gathered in April 2003 during the Earth's passage through the dust ...
15 Billion
... of Moon. Oldest fossils are about 3.8 by old. f. Mathematical models predict that stars the size of the Sun will undergo nuclear fusion in their core. g. All galaxies are red-shifting, i.e., the universe is expanding. Cosmic background radiation, a remnant of the big bang, is observed. h. Hubble spa ...
... of Moon. Oldest fossils are about 3.8 by old. f. Mathematical models predict that stars the size of the Sun will undergo nuclear fusion in their core. g. All galaxies are red-shifting, i.e., the universe is expanding. Cosmic background radiation, a remnant of the big bang, is observed. h. Hubble spa ...
ASTR2050 Spring 2005 •
... Cold Atomic Hydrogen Gas Key to detection:Very low energy “spin flip” transition Wavelength (Frequency) of radiation is 21cm (1.4GHz) ...
... Cold Atomic Hydrogen Gas Key to detection:Very low energy “spin flip” transition Wavelength (Frequency) of radiation is 21cm (1.4GHz) ...
Clues to the Origin of the Solar System
... clumps are a few hundred kilometers across. At this time the objects are referred to as planetesimals. ! outer gas cooler than the inner gas !metal stuff can condense (freeze) at high temperatures while volatile stuff condenses at lower temps !at Jupiter temperature cool enough to freeze water furth ...
... clumps are a few hundred kilometers across. At this time the objects are referred to as planetesimals. ! outer gas cooler than the inner gas !metal stuff can condense (freeze) at high temperatures while volatile stuff condenses at lower temps !at Jupiter temperature cool enough to freeze water furth ...
Document
... All the interstellar gas and dust in a volume the size of the Earth only yields enough matter to make a pair of dice. ...
... All the interstellar gas and dust in a volume the size of the Earth only yields enough matter to make a pair of dice. ...
Cosmic dust
Cosmic dust is dust which exists in space. It is for the most part a type of small dust particles which are a few molecules to 0.1 µm in size. A smaller fraction of all dust in space consists of larger refractory minerals that condensed as matter left the stars. It is called ""stardust"" and is included in a separate section below. The dust density in the local interstellar medium of the Local Bubble is approximately 10−6 × dust grain/m3 with each grain having a mass of approximately 10−17 kg.Cosmic dust can be further distinguished by its astronomical location: intergalactic dust, interstellar dust, interplanetary dust (such as in the zodiacal cloud) and circumplanetary dust (such as in a planetary ring). In the Solar System, interplanetary dust causes the zodiacal light. Sources of Solar System dust include comet dust, asteroidal dust, dust from the Kuiper belt, and interstellar dust passing through the Solar System. The terminology has no specific application for describing materials found on the planet Earth except for dust that has demonstrably fallen to Earth. By one estimate, as much as 40,000 tons of cosmic dust reaches the Earth's surface every year. In October 2011, scientists reported that cosmic dust contains complex organic matter (""amorphous organic solids with a mixed aromatic–aliphatic structure"") that could be created naturally, and rapidly, by stars.On August 14, 2014, scientists announced the collection of possible interstellar dust particles from the Stardust spacecraft since returning to Earth in 2006.