Day-26
... It is very difficult to directly see a faint planet in the bright glow of its star. A few dozen planets have been identified this way so far. ...
... It is very difficult to directly see a faint planet in the bright glow of its star. A few dozen planets have been identified this way so far. ...
Document
... of life on Mars. Inside the meteor, along tiny cracks, scientists found evidence of what many believe to be ancient bacteria.“ ...
... of life on Mars. Inside the meteor, along tiny cracks, scientists found evidence of what many believe to be ancient bacteria.“ ...
Document
... for extra-solar planetary systems, one of the most challenging astronomical activities. While spectroscopic, astrometric and photometric studies may only provide indirect evidence for planets around other stars, coronographic images like this one in principle enable astronomers to detect dusty disks ...
... for extra-solar planetary systems, one of the most challenging astronomical activities. While spectroscopic, astrometric and photometric studies may only provide indirect evidence for planets around other stars, coronographic images like this one in principle enable astronomers to detect dusty disks ...
notes
... • In 2001, sodium was detected in the atmosphere of HD 209458 b. • In 2008, water, carbon monoxide, carbon dioxide and methane were detected in the atmosphere of HD 189733 b. • In 2013, water was detected in the atmospheres of HD 209458 b, XO-1b, WASP-12b, WASP-17b, and WASP-19b. • In July 2014, NAS ...
... • In 2001, sodium was detected in the atmosphere of HD 209458 b. • In 2008, water, carbon monoxide, carbon dioxide and methane were detected in the atmosphere of HD 189733 b. • In 2013, water was detected in the atmospheres of HD 209458 b, XO-1b, WASP-12b, WASP-17b, and WASP-19b. • In July 2014, NAS ...
Blinn College Department of Physics
... 1) Old enough to allow time for evolution (rules out high-mass stars - 1%) 2) Need to have stable orbits (might rule out binary/multiple star systems - 50%) 3) Size of “habitable zone”: region in which a planet of the right size could have liquid water on its surface ...
... 1) Old enough to allow time for evolution (rules out high-mass stars - 1%) 2) Need to have stable orbits (might rule out binary/multiple star systems - 50%) 3) Size of “habitable zone”: region in which a planet of the right size could have liquid water on its surface ...
Protostars and planets
... rather than atomic (Hi) or ionized (Hii) hydrogen. Typical masses, diameters, and densities of GMCs are M ∼ 3 × 105 M⊙ , D ∼ 50 pc, and nH ∼ 100 cm−3 . Compare the latter to the number density of hydrogen atoms in the rest of the interstellar medium, nH . 1 cm−3 . The gas temperature is low, TGMC . ...
... rather than atomic (Hi) or ionized (Hii) hydrogen. Typical masses, diameters, and densities of GMCs are M ∼ 3 × 105 M⊙ , D ∼ 50 pc, and nH ∼ 100 cm−3 . Compare the latter to the number density of hydrogen atoms in the rest of the interstellar medium, nH . 1 cm−3 . The gas temperature is low, TGMC . ...
Interstellar Medium (ISM) Star Formation Formation of Planetary Systems
... Protoplanetary disks contain dust - micron sized solid particles formed for example in the stellar winds of some stars. Initially the dust is uniformly mixed with the gas in the disk, but over time it will settle under gravity toward the midplane of the gas disk. Collisions between particles lead to ...
... Protoplanetary disks contain dust - micron sized solid particles formed for example in the stellar winds of some stars. Initially the dust is uniformly mixed with the gas in the disk, but over time it will settle under gravity toward the midplane of the gas disk. Collisions between particles lead to ...
Lecture11 - UCSB Physics
... The young Sun was hotter than it is today. In the inner part of the solar system, only the heavier elements could remain solid – lighter stuff could not condense, and got blown farther out, until it found a spot cool enough to condense. Since there are fewer heavy elements, the terrestrial planets ...
... The young Sun was hotter than it is today. In the inner part of the solar system, only the heavier elements could remain solid – lighter stuff could not condense, and got blown farther out, until it found a spot cool enough to condense. Since there are fewer heavy elements, the terrestrial planets ...
Lecture11 - UCSB Physics
... The young Sun was hotter than it is today. In the inner part of the solar system, only the heavier elements could remain solid – lighter stuff could not condense, and got blown farther out, until it found a spot cool enough to condense. Since there are fewer heavy elements, the terrestrial planets ...
... The young Sun was hotter than it is today. In the inner part of the solar system, only the heavier elements could remain solid – lighter stuff could not condense, and got blown farther out, until it found a spot cool enough to condense. Since there are fewer heavy elements, the terrestrial planets ...
history of life
... Many researchers now favor the hypothesis that the first hereditary material was not DNA, but RNA, which may also have functioned as the first enzymes. (This helps resolve the "chicken and egg" paradox of which came first, genes or enzymes.) According to this hypothesis, the molecular biology of tod ...
... Many researchers now favor the hypothesis that the first hereditary material was not DNA, but RNA, which may also have functioned as the first enzymes. (This helps resolve the "chicken and egg" paradox of which came first, genes or enzymes.) According to this hypothesis, the molecular biology of tod ...
Attachment
... Astronomical objects or celestial objects are naturally occurring physical entities, associations or structures that current science has demonstrated to exist in the observable universe. The term astronomical object is sometimes used interchangeably with astronomical body. Typically an astronomical ...
... Astronomical objects or celestial objects are naturally occurring physical entities, associations or structures that current science has demonstrated to exist in the observable universe. The term astronomical object is sometimes used interchangeably with astronomical body. Typically an astronomical ...
Name________________________________________
... releasing __________ and _______________. Clouds of gas and dust form a fuzzy outer layer called a _______________. A comet’s coma has a solid inner core called a ____________________. The nucleus and coma (the comet’s head) is the _________________________ part of a comet. The comet’s tail… As a co ...
... releasing __________ and _______________. Clouds of gas and dust form a fuzzy outer layer called a _______________. A comet’s coma has a solid inner core called a ____________________. The nucleus and coma (the comet’s head) is the _________________________ part of a comet. The comet’s tail… As a co ...
meteor
... 9, 2013, when the comet was inside Mars’ orbit and about 177 million miles from Earth. The nucleus of ISON appears to be intact. ...
... 9, 2013, when the comet was inside Mars’ orbit and about 177 million miles from Earth. The nucleus of ISON appears to be intact. ...
Habitibility of Earth, in our Solar System, and Beyond
... a star or far from them all. A multiple star system is as bad for life as its worst star. And … multiple stars have more restricted habitable zones, and more variable planetary environments. Imagine our solar system with a small star in place of Jupiter! ...
... a star or far from them all. A multiple star system is as bad for life as its worst star. And … multiple stars have more restricted habitable zones, and more variable planetary environments. Imagine our solar system with a small star in place of Jupiter! ...
Searching for planets around evolved stars with COROT
... giant stars HD 47536 (ref b) and HD 122430 (ref c). These results were consequences of our precise radial velocity (RV) measurements of G and K giants (ref a). A number of stars from our list of 80 targets have been observed for 14 months, using the fibre-fed echelle spectrograph FEROS at the 1.52 m ...
... giant stars HD 47536 (ref b) and HD 122430 (ref c). These results were consequences of our precise radial velocity (RV) measurements of G and K giants (ref a). A number of stars from our list of 80 targets have been observed for 14 months, using the fibre-fed echelle spectrograph FEROS at the 1.52 m ...
b 03 Other Obj in Sol System combo ppt
... • rich in minerals (like planetary moons) • largest asteroid is only about 100 km in diameter • about 91 Apollo asteroids have been identified – potential for colliding with Earth (theory for extinction of the dinosaurs) • called minor planets or planetoids • rocky leftover mass of the inner planets ...
... • rich in minerals (like planetary moons) • largest asteroid is only about 100 km in diameter • about 91 Apollo asteroids have been identified – potential for colliding with Earth (theory for extinction of the dinosaurs) • called minor planets or planetoids • rocky leftover mass of the inner planets ...
PowerPoint
... • ~ a million rocks or rock/ice boulders, up to a few hundred miles across • The large majority orbit between Mars and Jupiter • Probably formed from the collisional breakup of several small planets which had unstable orbits due to Jupiter’s strong gravity nearby (evidence: distinct asteroid types w ...
... • ~ a million rocks or rock/ice boulders, up to a few hundred miles across • The large majority orbit between Mars and Jupiter • Probably formed from the collisional breakup of several small planets which had unstable orbits due to Jupiter’s strong gravity nearby (evidence: distinct asteroid types w ...
File
... material (mostly H and He) within a spiral arm of the milky way galaxy began to contract and flatten into a rotating disk Disk rotated and most of the mass concentrated in the center Surrounding the central disk, the turbulent rotating nebula of interstellar gases began to cool and condense, forming ...
... material (mostly H and He) within a spiral arm of the milky way galaxy began to contract and flatten into a rotating disk Disk rotated and most of the mass concentrated in the center Surrounding the central disk, the turbulent rotating nebula of interstellar gases began to cool and condense, forming ...
What is a Solar System?
... All planets orbit the sun in almost-circular elliptical orbits on approximately the same plane (the ecliptic). Dwarf Planets, comets, asteroids, and meteoroids also orbit the sun Most Satellites/Moons orbit planets (some orbit dwarf planets or even asteroids) Almost all planets, dwarf planets, and m ...
... All planets orbit the sun in almost-circular elliptical orbits on approximately the same plane (the ecliptic). Dwarf Planets, comets, asteroids, and meteoroids also orbit the sun Most Satellites/Moons orbit planets (some orbit dwarf planets or even asteroids) Almost all planets, dwarf planets, and m ...
document
... rings, asteroids, comets, KBOs, meteoroids, dust. Evidence of collisions: - cratered surfaces on objects of all sizes - high mass density of Mercury - extremely volatile-poor composition of the Moon - heavy bombardment until 700 My after the Moon was formed - the huge Herschel crater on Mimas - retr ...
... rings, asteroids, comets, KBOs, meteoroids, dust. Evidence of collisions: - cratered surfaces on objects of all sizes - high mass density of Mercury - extremely volatile-poor composition of the Moon - heavy bombardment until 700 My after the Moon was formed - the huge Herschel crater on Mimas - retr ...
Planetary system
... It might seem natural that the rotation nebula would collapse into an ever smaller ball under it’s self gravity, but…… The cloud’s own angular momentum causes it to flatten out, like pizza dough being spun through the air. ...
... It might seem natural that the rotation nebula would collapse into an ever smaller ball under it’s self gravity, but…… The cloud’s own angular momentum causes it to flatten out, like pizza dough being spun through the air. ...
File
... Definition of Life • The following are, in general, the characteristics of living organisms: 1.They can react to their environment. 2.They can grow by taking in nourishment and processing it into energy. 3.They can reproduce, passing along their characteristics to their offspring. 4.They have the c ...
... Definition of Life • The following are, in general, the characteristics of living organisms: 1.They can react to their environment. 2.They can grow by taking in nourishment and processing it into energy. 3.They can reproduce, passing along their characteristics to their offspring. 4.They have the c ...
Questions to answer - high school teachers at CERN
... absorption lines in the spectrum so the spectrum indentifies the element like the fingerprint indentifies the human. ...
... absorption lines in the spectrum so the spectrum indentifies the element like the fingerprint indentifies the human. ...