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... To the ancient Greeks, the stars traveled daily around the Earth on a transparent, hollow sphere called the celestial sphere. It was Aristarchus (312-230 BC) who first proposed the heliocentric model, that placed the Sun in the middle of everything. This was centuries BEFORE the accepted Ptolemaic ...
... To the ancient Greeks, the stars traveled daily around the Earth on a transparent, hollow sphere called the celestial sphere. It was Aristarchus (312-230 BC) who first proposed the heliocentric model, that placed the Sun in the middle of everything. This was centuries BEFORE the accepted Ptolemaic ...
Pluto and Kuiper Belt Object Notes
... 1) Nearly every decade, bright comet appears in our sky. From the small bright area called the head, a tail may extend over one-sixth (30o) or more of the sky. 2) The tail of a comet is always directed roughly away from the Sun, even when the comet is moving outward through the Solar System 3) Altho ...
... 1) Nearly every decade, bright comet appears in our sky. From the small bright area called the head, a tail may extend over one-sixth (30o) or more of the sky. 2) The tail of a comet is always directed roughly away from the Sun, even when the comet is moving outward through the Solar System 3) Altho ...
Slide 1
... Jupiter jostled Saturn into an unstable orbit; Saturn’s close encounters threw Uranus and Neptune into their larger orbits. Jupiter then crept to 1.5 a.u., plowing through the asteroids and throwing them to the outer solar system. In the process, Jupiter gravitationally shepherded a mini-disk near t ...
... Jupiter jostled Saturn into an unstable orbit; Saturn’s close encounters threw Uranus and Neptune into their larger orbits. Jupiter then crept to 1.5 a.u., plowing through the asteroids and throwing them to the outer solar system. In the process, Jupiter gravitationally shepherded a mini-disk near t ...
pdf file with complementary illustrations / animations
... the discovery of a newborn hot Jupiter, orbiting an infant sun — only 2 million years old, the stellar equivalent of a week-old human baby. The discovery that hot Jupiters can already be present at such an early stage of star-planet formation represents a major step forward in our understanding of h ...
... the discovery of a newborn hot Jupiter, orbiting an infant sun — only 2 million years old, the stellar equivalent of a week-old human baby. The discovery that hot Jupiters can already be present at such an early stage of star-planet formation represents a major step forward in our understanding of h ...
Santos: On the relation between stars and their planets
... Results from the analysis of the HARPS sample Recent statistical analysis: both solutions have equal significance! ...
... Results from the analysis of the HARPS sample Recent statistical analysis: both solutions have equal significance! ...
Glossary Annual Motion – the Earth`s orbital motion around the sun
... Meteors are what enter Earth’s atmosphere and burn up – aka ‘shooting star’ Meteorites are larger meteors that make it to the surface Meteroids are rocks which are in space as small as sand but smaller than asteroids and sometimes enter Earth’s atmosphere ...
... Meteors are what enter Earth’s atmosphere and burn up – aka ‘shooting star’ Meteorites are larger meteors that make it to the surface Meteroids are rocks which are in space as small as sand but smaller than asteroids and sometimes enter Earth’s atmosphere ...
1. How can we detect extra-solar planets?
... orbit about centre of mass, to line of sight Can see star ‘wobble’, even when planet is unseen. But how large is the wobble?… ...
... orbit about centre of mass, to line of sight Can see star ‘wobble’, even when planet is unseen. But how large is the wobble?… ...
The GAIA astrometric survey of extra
... In order to quantify the scientific impact of GAIA global astrometry measurements in the field of extra-solar planets extensive simulations have been used during the last few years [13,16,20]. Future work will concentrate on: a) refinements of the models of observations and observables. In particula ...
... In order to quantify the scientific impact of GAIA global astrometry measurements in the field of extra-solar planets extensive simulations have been used during the last few years [13,16,20]. Future work will concentrate on: a) refinements of the models of observations and observables. In particula ...
Space Exploration Review Key
... Rotates on axis tilted 90 degrees of plane Pluto retrograde motion Moon Charon, almost as large as planet May be result of large debris left from formation ...
... Rotates on axis tilted 90 degrees of plane Pluto retrograde motion Moon Charon, almost as large as planet May be result of large debris left from formation ...
Semester #1 – GeoScience Review Guide – Final Exam Scale
... 4. What is 1,430,500,000 km expressed as in scientific notation? 5. The distance from the Earth to the Sun is approximately _______________________. 6. Rank the following in order from smallest to largest: megameter, nanomter, kilometer 7. One millimeter equals how many meters? 8. Stellar distances ...
... 4. What is 1,430,500,000 km expressed as in scientific notation? 5. The distance from the Earth to the Sun is approximately _______________________. 6. Rank the following in order from smallest to largest: megameter, nanomter, kilometer 7. One millimeter equals how many meters? 8. Stellar distances ...
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
... 11. Describe the Equatorial coordinate system to fix the position of body in the celestial sphere. 12. Find the condition that twilight may last through out night. 13. Derive cassini’s formula for refraction, indicating the assumptions made. 14. If the moon’s horizontal parallax is 57’ and her angul ...
... 11. Describe the Equatorial coordinate system to fix the position of body in the celestial sphere. 12. Find the condition that twilight may last through out night. 13. Derive cassini’s formula for refraction, indicating the assumptions made. 14. If the moon’s horizontal parallax is 57’ and her angul ...
Number of planets - Associazione Astrofili "Crab Nebula"
... opposed to the ‘fixed stars’. The list included the Sun, the Moon, Mercury, Venus, Mars, Jupiter and Saturn – the only ‘planets’ visible to the naked eye. On 24 August, 2005, the International Astronomical Union (IAU) defined ‘planet’ every celestial body which: - orbits around the Sun; - is massive ...
... opposed to the ‘fixed stars’. The list included the Sun, the Moon, Mercury, Venus, Mars, Jupiter and Saturn – the only ‘planets’ visible to the naked eye. On 24 August, 2005, the International Astronomical Union (IAU) defined ‘planet’ every celestial body which: - orbits around the Sun; - is massive ...
Exploring the Solar System - Rourke Publishing eBook Delivery
... images and information sent from telescopes, spectrometers, and spacecraft. They also use computers to write software programs to control spacecraft and telescopes. In 1998, the first piece of the International Space Station was launched. In 2000, the first international crew took up residence at th ...
... images and information sent from telescopes, spectrometers, and spacecraft. They also use computers to write software programs to control spacecraft and telescopes. In 1998, the first piece of the International Space Station was launched. In 2000, the first international crew took up residence at th ...
6.4 What can you see?
... • In observing the Universe, scientists have discovered other galaxies so more models have been constructed to explain these observation ...
... • In observing the Universe, scientists have discovered other galaxies so more models have been constructed to explain these observation ...
A cyclical nature - angielski-teksty - talerz7
... image taken each evening animated to show an entire year. While doing so think about why this would present a problem with the geocentric model... Wandering stars Early astronomers observed that a few of the brighter stars seemed to wander in the sky over the course of many months. Attributing this ...
... image taken each evening animated to show an entire year. While doing so think about why this would present a problem with the geocentric model... Wandering stars Early astronomers observed that a few of the brighter stars seemed to wander in the sky over the course of many months. Attributing this ...
ExoplanetWorksheet
... *All of the rocky planets in our Solar System are at least 3 times more dense than Jupiter. Does it look like we’ve found very many or very few rocky exoplanets? __________________________________ * White dwarf stars have a mass that is comparable to the Sun, but are about 100 times smaller. Have we ...
... *All of the rocky planets in our Solar System are at least 3 times more dense than Jupiter. Does it look like we’ve found very many or very few rocky exoplanets? __________________________________ * White dwarf stars have a mass that is comparable to the Sun, but are about 100 times smaller. Have we ...
Chapter 19
... ● Percival Lowell used fluctuation in neptune’s orbit to predict another planet ● In 1930 Clyde Tombaugh found a planet close to his prediction called pluto. ● Pluto’ s satellite, Charon-- not like other planets ● Some scientists believed that Pluto was captured by gravity of the sun. ● It takes 248 ...
... ● Percival Lowell used fluctuation in neptune’s orbit to predict another planet ● In 1930 Clyde Tombaugh found a planet close to his prediction called pluto. ● Pluto’ s satellite, Charon-- not like other planets ● Some scientists believed that Pluto was captured by gravity of the sun. ● It takes 248 ...
Microsoft Word - students_diffe
... Comparing Comets, Meteors, and Asteroids (meteoroids) Add the numbers for the characteristics listed below to the appropriate location on the Venn diagram. ...
... Comparing Comets, Meteors, and Asteroids (meteoroids) Add the numbers for the characteristics listed below to the appropriate location on the Venn diagram. ...
Universal Gravitation
... plants as well as the gas giants, Jupiter and Saturn Then, British astronomer William Herschel used observations of the relative moments of the stars to determine that a presumed “star” was actually an additional planet The new planet was Uranus ...
... plants as well as the gas giants, Jupiter and Saturn Then, British astronomer William Herschel used observations of the relative moments of the stars to determine that a presumed “star” was actually an additional planet The new planet was Uranus ...
3 Habitable Zones in Extrasolar Planetary Systems
... Jovian-type planets do not have a solid or liquid surface, covered by an atmosphere, near which organisms may exist. Therefore, usually they are considered as inhabitable. But there is the possibility that moons of giant planets are within a habitable zone. The best candidate for producing a habitab ...
... Jovian-type planets do not have a solid or liquid surface, covered by an atmosphere, near which organisms may exist. Therefore, usually they are considered as inhabitable. But there is the possibility that moons of giant planets are within a habitable zone. The best candidate for producing a habitab ...
Rex Space
... the Red Spot which is a huge storm that has lasted for hundreds of years. *For example a huge storm has lasted for hundreds of years on Jupiter. Next, smaller than some moons in our solar system Mercury is the planet closest to the sun. It looks very similar to our moon. *For example Mercury is the ...
... the Red Spot which is a huge storm that has lasted for hundreds of years. *For example a huge storm has lasted for hundreds of years on Jupiter. Next, smaller than some moons in our solar system Mercury is the planet closest to the sun. It looks very similar to our moon. *For example Mercury is the ...
Workbook I
... asteroid and half comet. Centaurs have transient orbits that cross or have crossed the orbits of one or more of the giant planets, and have dynamical lifetimes of a few million years. The first centaur-like object to be discovered was 944 Hidalgo in 1920. However, they were not recognized as a disti ...
... asteroid and half comet. Centaurs have transient orbits that cross or have crossed the orbits of one or more of the giant planets, and have dynamical lifetimes of a few million years. The first centaur-like object to be discovered was 944 Hidalgo in 1920. However, they were not recognized as a disti ...
1 - Northwest ISD Moodle
... transparent, hollow sphere called the celestial sphere. It was Aristarchus (312-230 BC) who first proposed the heliocentric model, that placed the Sun in the middle of everything. This was centuries BEFORE the accepted Ptolemaic model, which was geocentric. ...
... transparent, hollow sphere called the celestial sphere. It was Aristarchus (312-230 BC) who first proposed the heliocentric model, that placed the Sun in the middle of everything. This was centuries BEFORE the accepted Ptolemaic model, which was geocentric. ...
IAU definition of planet
The definition of planet set in Prague in 2006 by the International Astronomical Union (IAU) states that, in the Solar System, a planet is a celestial body which: is in orbit around the Sun, has sufficient mass to assume hydrostatic equilibrium (a nearly round shape), and has ""cleared the neighborhood"" around its orbit.A non-satellite body fulfilling only the first two of these criteria is classified as a ""dwarf planet"". According to the IAU, ""planets and dwarf planets are two distinct classes of objects"". A non-satellite body fulfilling only the first criterion is termed a ""small Solar System body"" (SSSB). Initial drafts planned to include dwarf planets as a subcategory of planets, but because this could potentially have led to the addition of several dozens of planets into the Solar System, this draft was eventually dropped. The definition was a controversial one and has drawn both support and criticism from different astronomers, but has remained in use.According to this definition, there are eight planets in the Solar System. The definition distinguishes planets from smaller bodies and is not useful outside the Solar System, where smaller bodies cannot be found yet. Extrasolar planets, or exoplanets, are covered separately under a complementary 2003 draft guideline for the definition of planets, which distinguishes them from dwarf stars, which are larger.