Test - Scioly.org
... Based on this data, you deduce a planet’s distance and mass. However, more precise measurements reveal that the fraction of light coming out in the optical band is the same but that instead the star peaks at 80 microns in the infrared band instead of 60 microns. How will this new data change the ...
... Based on this data, you deduce a planet’s distance and mass. However, more precise measurements reveal that the fraction of light coming out in the optical band is the same but that instead the star peaks at 80 microns in the infrared band instead of 60 microns. How will this new data change the ...
July 2014 Newsletter - Chesterfield Astronomical Society
... than 0.01) to generate surface fractures like we are seeing on Europa." "Since it's so easy to get fractures, if we get to Charon and there are none, it puts a very strong constraint on how high the eccentricity could have been and how warm the interior ever could have been," adds Rhoden. "This rese ...
... than 0.01) to generate surface fractures like we are seeing on Europa." "Since it's so easy to get fractures, if we get to Charon and there are none, it puts a very strong constraint on how high the eccentricity could have been and how warm the interior ever could have been," adds Rhoden. "This rese ...
Name
... A comet is a ball of ice, rock, and frozen gases that orbits the sun. A comet may pass close by the sun or go as far as the edges of the solar system. Each time a comet approaches the sun it changes. As some of the ice melts a cloud of dust from the comet is released, that forms a tail always pointi ...
... A comet is a ball of ice, rock, and frozen gases that orbits the sun. A comet may pass close by the sun or go as far as the edges of the solar system. Each time a comet approaches the sun it changes. As some of the ice melts a cloud of dust from the comet is released, that forms a tail always pointi ...
Pluto, the dwarf planet
... together in the informally named al-Idrisi mountains. Photo: Photo: NASA. ...
... together in the informally named al-Idrisi mountains. Photo: Photo: NASA. ...
Types of Planets and Stars
... vary in size, mass, and brightness, but they all convert hydrogen into helium, also known as nuclear fusion. While our sun will spend 10 billion on its main sequence, a star ten times as massive will stick around for only 20 million years. Red Dwarf -- most common stars in the universe. These star ...
... vary in size, mass, and brightness, but they all convert hydrogen into helium, also known as nuclear fusion. While our sun will spend 10 billion on its main sequence, a star ten times as massive will stick around for only 20 million years. Red Dwarf -- most common stars in the universe. These star ...
planets
... - The future looks bright (solar system + extra-solar planets) Much of astronomy is phenomenological (descriptive) but, ultimately, the goal is to conceive and verify universal theoretical constructs that explain the observed behavior of astronomical objects across the vast scales of the Universe. A ...
... - The future looks bright (solar system + extra-solar planets) Much of astronomy is phenomenological (descriptive) but, ultimately, the goal is to conceive and verify universal theoretical constructs that explain the observed behavior of astronomical objects across the vast scales of the Universe. A ...
Physics 20 Lesson 23 Orbits and Satellites
... At low speeds, a horizontal projectile will fall toward and hit the ground in a short time. As the speed of the horizontal projectile is increased, it will land further and further away from the starting point. For a flat Earth the projectile would always hit the ground; no matter how fast the proje ...
... At low speeds, a horizontal projectile will fall toward and hit the ground in a short time. As the speed of the horizontal projectile is increased, it will land further and further away from the starting point. For a flat Earth the projectile would always hit the ground; no matter how fast the proje ...
Fig. 16-7, p.363
... from a disk around the Sun as it formed; such protoplanetary disks are seen around many young stars • Planets like Earth are believed therefore to form as normal byproducts of stars forming • There are two types of planets in our solar system, Earth-like and Jupiter-like, results of a process we thi ...
... from a disk around the Sun as it formed; such protoplanetary disks are seen around many young stars • Planets like Earth are believed therefore to form as normal byproducts of stars forming • There are two types of planets in our solar system, Earth-like and Jupiter-like, results of a process we thi ...
Solar System
... Asteroids and Comets • Composition and size – Asteroids are rocky or metallic bodies ranging in size from a few meters to 1000 km across (about 1/10 the Earth’s diameter) – Comets are icy bodies about 10 km or less across that can grow very long tails of gas and dust as they near the Sun and are va ...
... Asteroids and Comets • Composition and size – Asteroids are rocky or metallic bodies ranging in size from a few meters to 1000 km across (about 1/10 the Earth’s diameter) – Comets are icy bodies about 10 km or less across that can grow very long tails of gas and dust as they near the Sun and are va ...
Solar System
... Asteroids and Comets • Composition and size – Asteroids are rocky or metallic bodies ranging in size from a few meters to 1000 km across (about 1/10 the Earth’s diameter) – Comets are icy bodies about 10 km or less across that can grow very long tails of gas and dust as they near the Sun and are va ...
... Asteroids and Comets • Composition and size – Asteroids are rocky or metallic bodies ranging in size from a few meters to 1000 km across (about 1/10 the Earth’s diameter) – Comets are icy bodies about 10 km or less across that can grow very long tails of gas and dust as they near the Sun and are va ...
PowerPoint Presentation - A Tour of the Solar System
... Asteroids are either rocky or metallic objects that orbit the Sun. They are too small to considered planets but are sometimes called planetoids. ...
... Asteroids are either rocky or metallic objects that orbit the Sun. They are too small to considered planets but are sometimes called planetoids. ...
Name: Period: ___ Mass, Weight, and Gravity
... 7) True/False: The Earth is pulled toward you even as you are pulled toward the Earth. 8) Who is more attracted to the Earth: a person at sea level or a person in a plane several thousand feet up? Explain. ...
... 7) True/False: The Earth is pulled toward you even as you are pulled toward the Earth. 8) Who is more attracted to the Earth: a person at sea level or a person in a plane several thousand feet up? Explain. ...
plutinos
... The graph plots a (the semi-major axis distance) of various asteroids versus the number of asteroids found at that distance. Note that the distribution is not uniform; there are some distances that have many asteroids and some distances (called gaps) that have comparatively few or none. It is the p ...
... The graph plots a (the semi-major axis distance) of various asteroids versus the number of asteroids found at that distance. Note that the distribution is not uniform; there are some distances that have many asteroids and some distances (called gaps) that have comparatively few or none. It is the p ...
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 ...
The Origin of the Solar System and Other Planetary Systems
... Planets orbiting within 0.1 A.U. of their stars are called “hot Jupiters”; they are not included in the previous figure but are numerous. Stars with composition like our Sun are much more likely to have planets, showing that the “dusty disk” theory of solar system formation is plausible. Some of the ...
... Planets orbiting within 0.1 A.U. of their stars are called “hot Jupiters”; they are not included in the previous figure but are numerous. Stars with composition like our Sun are much more likely to have planets, showing that the “dusty disk” theory of solar system formation is plausible. Some of the ...
Planet Information Cards
... Medium-sized star One of more than 100 billion stars in our galaxy Diameter: 1,390,000 km Temperature: 5800 °K (surface) 15,600,000 °K (core) Contains more than 99.8% of the total mass of the Solar System Contains 75% hydrogen and 25% helium Rotation rate = 25.4 days (equator), 36 days (poles) Has 9 ...
... Medium-sized star One of more than 100 billion stars in our galaxy Diameter: 1,390,000 km Temperature: 5800 °K (surface) 15,600,000 °K (core) Contains more than 99.8% of the total mass of the Solar System Contains 75% hydrogen and 25% helium Rotation rate = 25.4 days (equator), 36 days (poles) Has 9 ...
Astro 10: Introductory Astronomy
... • Clever astronomers have used a new clue; measure the hydrogen isotope deuterium, whose abundance is directly proportional to ordinary hydrogen. They’ve done this for a young star TW Hydrae, which is only 310M yrs old, and find the disk is much more massive than they had guessed. • Maybe at least m ...
... • Clever astronomers have used a new clue; measure the hydrogen isotope deuterium, whose abundance is directly proportional to ordinary hydrogen. They’ve done this for a young star TW Hydrae, which is only 310M yrs old, and find the disk is much more massive than they had guessed. • Maybe at least m ...
slides - quantware mips center
... and secular resonances. In the first case, the commensurabilities between mean orbital frequencies (of two or even a greater number of orbiting bodies) are implied; in the second case, those between orbital precession frequencies. The captures of planetary systems into orbital resonances are believe ...
... and secular resonances. In the first case, the commensurabilities between mean orbital frequencies (of two or even a greater number of orbiting bodies) are implied; in the second case, those between orbital precession frequencies. The captures of planetary systems into orbital resonances are believe ...
Neptune - Super Teacher Worksheets
... made up mainly of frozen methane gas. Like the other “gas giant” planets, winds that blow Neptune’s clouds around are very strong. Scientists say winds reach speeds of up to 700 miles an hour (about 1,120 kilometers per hour). Neptune isn’t quite as cold as Uranus, but its largest moon, Triton, is e ...
... made up mainly of frozen methane gas. Like the other “gas giant” planets, winds that blow Neptune’s clouds around are very strong. Scientists say winds reach speeds of up to 700 miles an hour (about 1,120 kilometers per hour). Neptune isn’t quite as cold as Uranus, but its largest moon, Triton, is e ...
Dynamical simulations of the HR8799 planetary
... Abstract : HR8799 is a young (20–160 Myr) A-dwarf main sequence star with a debris disc detected by IRAS (InfraRed Astronomical Satellite). In 2008, it was one of two stars around which exoplanets were directly imaged for the first time. The presence of three Jupiter-mass planets around HR8799 provok ...
... Abstract : HR8799 is a young (20–160 Myr) A-dwarf main sequence star with a debris disc detected by IRAS (InfraRed Astronomical Satellite). In 2008, it was one of two stars around which exoplanets were directly imaged for the first time. The presence of three Jupiter-mass planets around HR8799 provok ...
2-The Earth in space
... The outer planets are giant balls of gases with very small, solid cores. The outer planets rotate quickly, which makes for a short day; however, these planets take a long time to revolve once around the sun. Therefore, they have short days but long years. ...
... The outer planets are giant balls of gases with very small, solid cores. The outer planets rotate quickly, which makes for a short day; however, these planets take a long time to revolve once around the sun. Therefore, they have short days but long years. ...
Universe Test - The Power of PPTS
... The brightest of all planets, Venus, is also known as the Morning Star and the Evening Star. This planet is about the same size as Earth but is covered with impenetrable clouds of carbon dioxide and sulfur compounds. Radar mapping of the planet shows lots of craters and that 90% of the landforms a ...
... The brightest of all planets, Venus, is also known as the Morning Star and the Evening Star. This planet is about the same size as Earth but is covered with impenetrable clouds of carbon dioxide and sulfur compounds. Radar mapping of the planet shows lots of craters and that 90% of the landforms a ...
Research Information for Space Bodies Project
... 3. Days and years vary by asteroid. A day on asteroid Ida, for example, takes only 4.6 hours (the time it takes to rotate or spin once). Ida makes a complete orbit around the sun (a year in this asteroid's time) in 4.8 Earth years. 4. Asteroids are solid, rocky and irregular bodies. 5. Asteroids do ...
... 3. Days and years vary by asteroid. A day on asteroid Ida, for example, takes only 4.6 hours (the time it takes to rotate or spin once). Ida makes a complete orbit around the sun (a year in this asteroid's time) in 4.8 Earth years. 4. Asteroids are solid, rocky and irregular bodies. 5. Asteroids do ...
Planets beyond Neptune
Following the discovery of the planet Neptune in 1846, there was considerable speculation that another planet might exist beyond its orbit. The search began in the mid-19th century and culminated at the start of the 20th with Percival Lowell's quest for Planet X. Lowell proposed the Planet X hypothesis to explain apparent discrepancies in the orbits of the giant planets, particularly Uranus and Neptune, speculating that the gravity of a large unseen ninth planet could have perturbed Uranus enough to account for the irregularities.Clyde Tombaugh's discovery of Pluto in 1930 appeared to validate Lowell's hypothesis, and Pluto was officially named the ninth planet. In 1978, Pluto was conclusively determined to be too small for its gravity to affect the giant planets, resulting in a brief search for a tenth planet. The search was largely abandoned in the early 1990s, when a study of measurements made by the Voyager 2 spacecraft found that the irregularities observed in Uranus's orbit were due to a slight overestimation of Neptune's mass. After 1992, the discovery of numerous small icy objects with similar or even wider orbits than Pluto led to a debate over whether Pluto should remain a planet, or whether it and its neighbours should, like the asteroids, be given their own separate classification. Although a number of the larger members of this group were initially described as planets, in 2006 the International Astronomical Union reclassified Pluto and its largest neighbours as dwarf planets, leaving Neptune the farthest known planet in the Solar System.Today, the astronomical community widely agrees that Planet X, as originally envisioned, does not exist, but the concept of Planet X has been revived by a number of astronomers to explain other anomalies observed in the outer Solar System. In popular culture, and even among some astronomers, Planet X has become a stand-in term for any undiscovered planet in the outer Solar System, regardless of its relationship to Lowell's hypothesis. Other trans-Neptunian planets have also been suggested, based on different evidence. As of March 2014, observations with the WISE telescope have ruled out the possibility of a Saturn-sized object out to 10,000 AU, and a Jupiter-sized or larger object out to 26,000 AU.