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National Science Standards: Grades 5-8
... But the resolutions of the 26th General Assembly of the International Astronomical Union (IAU) of 2006 changed the definition of a planet and added the definition of dwarf planets. Since 1992, numerous celestial bodies orbiting around the Sun beyond Neptune’s orbit have been discovered. . Our solar ...
... But the resolutions of the 26th General Assembly of the International Astronomical Union (IAU) of 2006 changed the definition of a planet and added the definition of dwarf planets. Since 1992, numerous celestial bodies orbiting around the Sun beyond Neptune’s orbit have been discovered. . Our solar ...
Seeing another Earth: Detecting and Characterizing Rocky Planets
... Microlensing, radial velocity, and transit surveys have yielded more than 300 planets with masses ranging from a few Earth masses (ME) to 20-30 Jupiter masses (MJ). Observations in the thermal infrared with the IRAS and Spitzer satellites have revealed more than 500 debris disks with dusty material ...
... Microlensing, radial velocity, and transit surveys have yielded more than 300 planets with masses ranging from a few Earth masses (ME) to 20-30 Jupiter masses (MJ). Observations in the thermal infrared with the IRAS and Spitzer satellites have revealed more than 500 debris disks with dusty material ...
Lecture 3 - UIC Home
... The Romans named the planet after the Roman god Jupiter (the god of sky and thunder). When viewed from Earth, Jupiter is the third brightest object in the night sky after the Moon and Venus. (At certain points in its orbit, Mars can briefly exceed Jupiter's brightness.) ...
... The Romans named the planet after the Roman god Jupiter (the god of sky and thunder). When viewed from Earth, Jupiter is the third brightest object in the night sky after the Moon and Venus. (At certain points in its orbit, Mars can briefly exceed Jupiter's brightness.) ...
they aren`t just made of ice. They are made from
... Raise your hands if you know something that is solid. (Take some answers). That’s right! Your desk is solid. Your chair is solid. Your pencil is solid. Your books are solid. Anything that you can hold, sit on or stand on is solid. Now I’m going to show you something else that is solid. (Take out an ...
... Raise your hands if you know something that is solid. (Take some answers). That’s right! Your desk is solid. Your chair is solid. Your pencil is solid. Your books are solid. Anything that you can hold, sit on or stand on is solid. Now I’m going to show you something else that is solid. (Take out an ...
Document
... But, the ESP’s mass and period distribution are insensitive to [Fe/H]! Is there a correlation between [Fe/H] & hot Jupiters ? ...
... But, the ESP’s mass and period distribution are insensitive to [Fe/H]! Is there a correlation between [Fe/H] & hot Jupiters ? ...
Cataclysmic Variable Stars
... (~700000km) and the orbital period is typically a few hours. The orbital periods of CVs typically range from approximately 0.6 day (14 hr) to 0.06 day (90 min). These binaries are quite small by astronomical standards: the binary separation is 1.1 (Porb/3 hr)2/3 (M1+M2)1/3 times the Sun's radius of ...
... (~700000km) and the orbital period is typically a few hours. The orbital periods of CVs typically range from approximately 0.6 day (14 hr) to 0.06 day (90 min). These binaries are quite small by astronomical standards: the binary separation is 1.1 (Porb/3 hr)2/3 (M1+M2)1/3 times the Sun's radius of ...
Reconnaissance of the TRAPPIST-1 exoplanet system in the Lyman
... around the two inner planets. The measured variations are too large to be caused by the planetary disks (Llama & Shkolnik 2016) and would correspond to opaque exospheric disks extending up to approximately seven times the planets’ radii. We note that the putative exosphere of TRAPPIST-1c would absor ...
... around the two inner planets. The measured variations are too large to be caused by the planetary disks (Llama & Shkolnik 2016) and would correspond to opaque exospheric disks extending up to approximately seven times the planets’ radii. We note that the putative exosphere of TRAPPIST-1c would absor ...
solar system - Math/Science Nucleus
... Mars is named for the Roman god of war. It is easily distinguished in the night sky by its reddish appearance. Its density indicates that it is made of rocky materials like the Earth, with less iron and more lightweight elements than the Earth. It is only about half as large of the Earth. Mars has t ...
... Mars is named for the Roman god of war. It is easily distinguished in the night sky by its reddish appearance. Its density indicates that it is made of rocky materials like the Earth, with less iron and more lightweight elements than the Earth. It is only about half as large of the Earth. Mars has t ...
A Walk through the Universe
... Greek myths Uranus was Saturn’s father just as Saturn was Jupiter’s father. [When someone gets Neptune:] Yes, that’s Neptune. It’s easy to remember which is Uranus and which is Neptune, because Neptune was the Greek god of the sea, and Neptune the planet is blue like the sea. But that was just luck, ...
... Greek myths Uranus was Saturn’s father just as Saturn was Jupiter’s father. [When someone gets Neptune:] Yes, that’s Neptune. It’s easy to remember which is Uranus and which is Neptune, because Neptune was the Greek god of the sea, and Neptune the planet is blue like the sea. But that was just luck, ...
Habitable worlds with JWST: transit spectroscopy of the TRAPPIST
... used to model both exoplanets and solar system worlds (e.g. Lee et al. 2012; Tsang et al. 2010; Fletcher 2011). Each planet is treated as though the atmosphere at the terminator, the region probed in transmission spectroscopy, has identical chemistry to Earth’s present day atmosphere. The likelihood ...
... used to model both exoplanets and solar system worlds (e.g. Lee et al. 2012; Tsang et al. 2010; Fletcher 2011). Each planet is treated as though the atmosphere at the terminator, the region probed in transmission spectroscopy, has identical chemistry to Earth’s present day atmosphere. The likelihood ...
Astronomy Club of Asheville October 2016 Sky Events
... Dwarf Planet/Asteroid Ceres is nearest Earth this Month Ceres, the largest and first asteroid to be discovered (in 1801), reaches opposition on October 21st. At opposition, it is opposite the Earth from the Sun and closest for the year to Earth in its orbit. Located in the asteroid belt between ...
... Dwarf Planet/Asteroid Ceres is nearest Earth this Month Ceres, the largest and first asteroid to be discovered (in 1801), reaches opposition on October 21st. At opposition, it is opposite the Earth from the Sun and closest for the year to Earth in its orbit. Located in the asteroid belt between ...
In the beginning… Astronomical Observations of Star Formation
... place before these elements could condense. Final assembly of the terrestrial planets took longer and was not complete until gas had cleared from inner solar system. ...
... place before these elements could condense. Final assembly of the terrestrial planets took longer and was not complete until gas had cleared from inner solar system. ...
Model of Solar System
... Student response shows the Sun, and the four inner planets, labeled and in correct order. The response shows no orbits. 1 In the space below, draw a rough sketch (not necessarily to scale) illustrating the simplified model of the Solar System by showing the Sun and the four inner planets with their ...
... Student response shows the Sun, and the four inner planets, labeled and in correct order. The response shows no orbits. 1 In the space below, draw a rough sketch (not necessarily to scale) illustrating the simplified model of the Solar System by showing the Sun and the four inner planets with their ...
Question 6 [11]
... There is an interesting relationship between the arrangements of the planets around the sun. The differences in the distances from the sun between subsequent planets show an interesting pattern. This was calculated before Uranus, Neptune and Pluto were discovered and astronomers actually found Uranu ...
... There is an interesting relationship between the arrangements of the planets around the sun. The differences in the distances from the sun between subsequent planets show an interesting pattern. This was calculated before Uranus, Neptune and Pluto were discovered and astronomers actually found Uranu ...
Chapter10- Other Planetary Systems -pptx
... • Close gravitational encounters between two massive planets can eject one planet while flinging the other into a highly elliptical orbit. • Multiple close encounters with smaller planetesimals can also cause inward migration. • Resonances may also contribute. ...
... • Close gravitational encounters between two massive planets can eject one planet while flinging the other into a highly elliptical orbit. • Multiple close encounters with smaller planetesimals can also cause inward migration. • Resonances may also contribute. ...
Our Solar System 6.1 Planets 6.2 Dwarf planets and other solar
... asteroids are still pretty small. The rest of the asteroids range in diameter all the way down to less than 5 miles across. Asteroids with diameters of 30 miles or less no longer have enough gravity to pull themselves into a spherical shape. Most asteroids orbit the Sun between Mars and Jupiter. Alt ...
... asteroids are still pretty small. The rest of the asteroids range in diameter all the way down to less than 5 miles across. Asteroids with diameters of 30 miles or less no longer have enough gravity to pull themselves into a spherical shape. Most asteroids orbit the Sun between Mars and Jupiter. Alt ...
SOLAR SYSTEM - Heart of the Valley Astronomers
... It is about 11 times the radius and 330 times the mass of the earth. ...
... It is about 11 times the radius and 330 times the mass of the earth. ...
Meet Our Solar System
... Perhaps the most commonly used mnemonic device for recalling the names and order of the planets is My Very Easy Method: Just Stand Under North Pole. You may want to teach this device to students. (Caution them not to add “the” before “North Pole.”) Explain that the y in “My” and in “Mercury” will he ...
... Perhaps the most commonly used mnemonic device for recalling the names and order of the planets is My Very Easy Method: Just Stand Under North Pole. You may want to teach this device to students. (Caution them not to add “the” before “North Pole.”) Explain that the y in “My” and in “Mercury” will he ...
The gorilla connection
... masses between 50 and 300 times that of Earth. These objects are likely to be ‘gas giants’ similar to Jupiter and Saturn, consisting of a massive hydrogen–helium-rich envelope surrounding a small solid core. Theorists have long predicted3 that gas giants form in the cool, outer regions of a young st ...
... masses between 50 and 300 times that of Earth. These objects are likely to be ‘gas giants’ similar to Jupiter and Saturn, consisting of a massive hydrogen–helium-rich envelope surrounding a small solid core. Theorists have long predicted3 that gas giants form in the cool, outer regions of a young st ...
Student 1
... doubling their brightness in minutes. These are the result of the convection currents .Barnard’s star was thought to have no flares, due to its age, but one was observed in 2011. The significance of Red Dwarfs to astronomy. Although intelligent life formed around a “G” star for us astronomers think ...
... doubling their brightness in minutes. These are the result of the convection currents .Barnard’s star was thought to have no flares, due to its age, but one was observed in 2011. The significance of Red Dwarfs to astronomy. Although intelligent life formed around a “G” star for us astronomers think ...
chapter8FormationSS
... 2) The Earth’s Moon does not have a large iron-nickel core even though it is almost as big as Mercury. 3) The Earth’s Moon is depleted in volatiles, things that evaporate easily. What ever made it must have been heated to high temperatures. ...
... 2) The Earth’s Moon does not have a large iron-nickel core even though it is almost as big as Mercury. 3) The Earth’s Moon is depleted in volatiles, things that evaporate easily. What ever made it must have been heated to high temperatures. ...
Moons of the Jovian Planets: Satellites of Ice and Rock
... are slowing down the Earth, but not heating it up by any significant amount). ...
... are slowing down the Earth, but not heating it up by any significant amount). ...
Introduction to Astronomy
... History of Neutron Stars • 1934, Astronomers Walter Baade & Fritz Zwicky – Proposed that gravity could crush the core of a star so much that the electrons are pushed into the nucleus – Positive protons combine with negative electrons to form neutrons – This would occur when core compressed to diame ...
... History of Neutron Stars • 1934, Astronomers Walter Baade & Fritz Zwicky – Proposed that gravity could crush the core of a star so much that the electrons are pushed into the nucleus – Positive protons combine with negative electrons to form neutrons – This would occur when core compressed to diame ...
Planets orbiting stars more massive than the Sun
... Because of the lack of absorption lines, and the rapid rotation of B-, A-, and early F-stars, radial-velocity (RV) surveys for planets of these types of stars are not efficient (Desort 2009a; Desort 2009b; Guenther et al. 2009; Galland et al. 2006; Galland et al. 2010; Borgniet et al. 2014). Transit ...
... Because of the lack of absorption lines, and the rapid rotation of B-, A-, and early F-stars, radial-velocity (RV) surveys for planets of these types of stars are not efficient (Desort 2009a; Desort 2009b; Guenther et al. 2009; Galland et al. 2006; Galland et al. 2010; Borgniet et al. 2014). Transit ...
Dwarf planet
![](https://commons.wikimedia.org/wiki/Special:FilePath/PIA19562-Ceres-DwarfPlanet-Dawn-RC3-image19-20150506.jpg?width=300)
A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite. That is, it is in direct orbit of the Sun, and is massive enough for its shape to be in hydrostatic equilibrium under its own gravity, but has not cleared the neighborhood around its orbit.The term dwarf planet was adopted in 2006 as part of a three-way categorization of bodies orbiting the Sun, brought about by an increase in discoveries of objects farther away from the Sun than Neptune that rivaled Pluto in size, and finally precipitated by the discovery of an even more massive object, Eris. The exclusion of dwarf planets from the roster of planets by the IAU has been both praised and criticized; it was said to be the ""right decision"" by astronomer Mike Brown, who discovered Eris and other new dwarf planets, but has been rejected by Alan Stern, who had coined the term dwarf planet in 1990.The International Astronomical Union (IAU) currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris. Brown criticizes this official recognition: ""A reasonable person might think that this means that there are five known objects in the solar system which fit the IAU definition of dwarf planet, but this reasonable person would be nowhere close to correct.""It is suspected that another hundred or so known objects in the Solar System are dwarf planets. Estimates are that up to 200 dwarf planets may be found when the entire region known as the Kuiper belt is explored, and that the number may exceed 10,000 when objects scattered outside the Kuiper belt are considered. Individual astronomers recognize several of these, and in August 2011 Mike Brown published a list of 390 candidate objects, ranging from ""nearly certain"" to ""possible"" dwarf planets. Brown currently identifies eleven known objects – the five accepted by the IAU plus 2007 OR10, Quaoar, Sedna, Orcus, 2002 MS4 and Salacia – as ""virtually certain"", with another dozen highly likely. Stern states that there are more than a dozen known dwarf planets.However, only two of these bodies, Ceres and Pluto, have been observed in enough detail to demonstrate that they actually fit the IAU's definition. The IAU accepted Eris as a dwarf planet because it is more massive than Pluto. They subsequently decided that unnamed trans-Neptunian objects with an absolute magnitude brighter than +1 (and hence a diameter of ≥838 km assuming a geometric albedo of ≤1) are to be named under the assumption that they are dwarf planets. The only two such objects known at the time, Makemake and Haumea, went through this naming procedure and were declared to be dwarf planets. The question of whether other likely objects are dwarf planets has never been addressed by the IAU. The classification of bodies in other planetary systems with the characteristics of dwarf planets has not been addressed.