Exoplanet Discovery
... planets (astroseismology) and atmospheric composition – what will we find? ...
... planets (astroseismology) and atmospheric composition – what will we find? ...
Searching For Planets Beyond Our Solar System - Cosmos
... locations in our Galaxy which may be capable of supporting life, but to a large extent because the subject is expected to throw further light on a key problem in astrophysics: the details of the origin of our own Solar System. Numerous questions related to this problem remain unanswered: how was our ...
... locations in our Galaxy which may be capable of supporting life, but to a large extent because the subject is expected to throw further light on a key problem in astrophysics: the details of the origin of our own Solar System. Numerous questions related to this problem remain unanswered: how was our ...
ppt
... planet's size, distance from star, and orbital period. With velocity measurements, could then get planet's mass and hence density (rocky, gas giant?) *Massive planet like Jupiter that is very close to the star ...
... planet's size, distance from star, and orbital period. With velocity measurements, could then get planet's mass and hence density (rocky, gas giant?) *Massive planet like Jupiter that is very close to the star ...
Life in the Universe
... In addition, secondary particle cascades created in the planet's atmosphere would be produced by high-energy particles. This would, in turn, increase radiation levels at the surface of the planet Life as we know it could not exists ...
... In addition, secondary particle cascades created in the planet's atmosphere would be produced by high-energy particles. This would, in turn, increase radiation levels at the surface of the planet Life as we know it could not exists ...
Chapter 15
... More than 900 extrasolar planets have been discovered so far, with about 2700 more candidates waiting to be confirmed: • Most are in the “cold Jupiter” or “cold Neptune” category due to size and distance from parent star • Orbits are generally somewhat smaller than the orbit of Jupiter ...
... More than 900 extrasolar planets have been discovered so far, with about 2700 more candidates waiting to be confirmed: • Most are in the “cold Jupiter” or “cold Neptune” category due to size and distance from parent star • Orbits are generally somewhat smaller than the orbit of Jupiter ...
Planetary Taxonomy
... Roundness is almost never directly observable and is therefore inherently problematic as a basis for classification. Can we use size or mass as a proxy to establish roundness? The critical diameter D above which a self-gravitating body of density ρ overcomes material strength S is of order: D~ ...
... Roundness is almost never directly observable and is therefore inherently problematic as a basis for classification. Can we use size or mass as a proxy to establish roundness? The critical diameter D above which a self-gravitating body of density ρ overcomes material strength S is of order: D~ ...
Comets - Earth & Planetary Sciences
... • The model is that of a very dirty snowball or dirty iceberg. However, the outer portion of Halley’s comet (visited by Giotto and Vega 1 & 2 s/c in 1986) was found to be very, very dark, a shell of “sludge” left behind as the vapors baked out. • The coma is a cloud of gas which has evaporated from ...
... • The model is that of a very dirty snowball or dirty iceberg. However, the outer portion of Halley’s comet (visited by Giotto and Vega 1 & 2 s/c in 1986) was found to be very, very dark, a shell of “sludge” left behind as the vapors baked out. • The coma is a cloud of gas which has evaporated from ...
Asteroids powerpoint - hrsbstaff.ednet.ns.ca
... • (a) orbits the Sun inside the orbit of Jupiter • (b) does not have sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium shape (it is not round shaped), • (c) has not cleared the neighborhood around its orbit, and • (d) is not a satellite. ...
... • (a) orbits the Sun inside the orbit of Jupiter • (b) does not have sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium shape (it is not round shaped), • (c) has not cleared the neighborhood around its orbit, and • (d) is not a satellite. ...
4. Massive Stars and HII Regions
... very close to their birthplaces. Observations of forming massive stars are usually very difficult. They are deeply embedded within dust clouds, they are usually very distant, they exclusively form in multiple systems. Furthermore: their Kelvin-Helmholtz timescale (maximum time a star can produce its ...
... very close to their birthplaces. Observations of forming massive stars are usually very difficult. They are deeply embedded within dust clouds, they are usually very distant, they exclusively form in multiple systems. Furthermore: their Kelvin-Helmholtz timescale (maximum time a star can produce its ...
"Earth" among 7 distant planets
... by planets crossing between the star and Earth. This was how they realized the planets were there. Last May, the scientists published that they had discovered three rocky bodies moving around the star. They studied the system for 20 days and found out that the star actually had seven planets. Six of ...
... by planets crossing between the star and Earth. This was how they realized the planets were there. Last May, the scientists published that they had discovered three rocky bodies moving around the star. They studied the system for 20 days and found out that the star actually had seven planets. Six of ...
Radio Detection of Extrasolar Planets:
... n Indirect detection via optical signature from host star Detecting fi characterizing: n What are their properties? n Can we detect planets at other wavelengths? n Implications for habitability of planets to be discovered? Joint theoretical and observational program focussed on magnetic fields and r ...
... n Indirect detection via optical signature from host star Detecting fi characterizing: n What are their properties? n Can we detect planets at other wavelengths? n Implications for habitability of planets to be discovered? Joint theoretical and observational program focussed on magnetic fields and r ...
Stars and Nebula
... C. There is no nearby source of ultraviolet light. D. They do emit light but it is immediately absorbed by nearby gas and dust. ...
... C. There is no nearby source of ultraviolet light. D. They do emit light but it is immediately absorbed by nearby gas and dust. ...
The Association of Dust Disks and Planets Lynne Hillenbrand (Caltech) P.I.
... Kuiper belt in our own Solar System, have suggested a close relationship between disks and planetary systems. The FEPS Spitzer/Legacy program (Meyer et al., 2002) will carry out sensitive observations from 3.5-70 µm of nearby solar-type stars. We target the 3 Myr—3 Gyr age range and will measure the ...
... Kuiper belt in our own Solar System, have suggested a close relationship between disks and planetary systems. The FEPS Spitzer/Legacy program (Meyer et al., 2002) will carry out sensitive observations from 3.5-70 µm of nearby solar-type stars. We target the 3 Myr—3 Gyr age range and will measure the ...
Star and Planet Formation - Homepages of UvA/FNWI staff
... 1. If the Earth rotates around the Sun, birds should actually stay behind because of the movement of the Earth on its orbit. 2. If the Earth rotates around its axis (as required to explain day and night), things should fly off the spinning planet. 3. If the Earth rotates around the Sun, we should ob ...
... 1. If the Earth rotates around the Sun, birds should actually stay behind because of the movement of the Earth on its orbit. 2. If the Earth rotates around its axis (as required to explain day and night), things should fly off the spinning planet. 3. If the Earth rotates around the Sun, we should ob ...
GEARS Workshop Monday - Georgia Southern University
... • What types of questions might your students come up with? • Is this suitable for a science fair? • What constitutes a testable hypothesis? • Where does this activity this fall on the Rigor ...
... • What types of questions might your students come up with? • Is this suitable for a science fair? • What constitutes a testable hypothesis? • Where does this activity this fall on the Rigor ...
lec01_26sep2011
... This general law being once discovered, the effects of it would be easily explained, if the action of those bodies which produce them were not too complicated. A slight view of the solar system will convince us of the difficulties which attend this subject. The principal planets are attracted by the ...
... This general law being once discovered, the effects of it would be easily explained, if the action of those bodies which produce them were not too complicated. A slight view of the solar system will convince us of the difficulties which attend this subject. The principal planets are attracted by the ...
Circumstellar Disks: the Formation and Evolution of
... • Our Solar System possesses second generation dust generated by sublimation of comets and collisions between asteroids and KBOs • There are exoplanetary systems that possess similar dust • In these systems, collisions between asteroids and comets is believed to generate dust • Whenever disks are ob ...
... • Our Solar System possesses second generation dust generated by sublimation of comets and collisions between asteroids and KBOs • There are exoplanetary systems that possess similar dust • In these systems, collisions between asteroids and comets is believed to generate dust • Whenever disks are ob ...
The Solar System and its Place in the Galaxy
... stars. Using the foregoing value for the density of stars in the solar neighborhood, one can predict that about 12 star systems (single or multiple stars) will pass within 1 pc of the Sun per million years. The total number of stellar encounters scales as the square of the encounter distance. This r ...
... stars. Using the foregoing value for the density of stars in the solar neighborhood, one can predict that about 12 star systems (single or multiple stars) will pass within 1 pc of the Sun per million years. The total number of stellar encounters scales as the square of the encounter distance. This r ...
The Milky Way
... Quiz Questions 18. How does the solar nebula theory explain the formation of an asteroid belt between Mars and Jupiter, rather than a planet at this location? a. A single planet formed here and was disrupted by an impact with a large comet from the outer Solar System. b. Jupiter swept up so much ma ...
... Quiz Questions 18. How does the solar nebula theory explain the formation of an asteroid belt between Mars and Jupiter, rather than a planet at this location? a. A single planet formed here and was disrupted by an impact with a large comet from the outer Solar System. b. Jupiter swept up so much ma ...
Chapter 19
... Quiz Questions 18. How does the solar nebula theory explain the formation of an asteroid belt between Mars and Jupiter, rather than a planet at this location? a. A single planet formed here and was disrupted by an impact with a large comet from the outer Solar System. b. Jupiter swept up so much ma ...
... Quiz Questions 18. How does the solar nebula theory explain the formation of an asteroid belt between Mars and Jupiter, rather than a planet at this location? a. A single planet formed here and was disrupted by an impact with a large comet from the outer Solar System. b. Jupiter swept up so much ma ...
(the largest solar system planet) represents at
... Pluto does not orbit along the elliptical plane like the other seven planets. In fact, Pluto’s orbital plane is tilted approximately 18 degrees above the elliptical plane and is roughly the size of our earth’s moon. Given the orbital characteristic and size of Pluto, the science community recently r ...
... Pluto does not orbit along the elliptical plane like the other seven planets. In fact, Pluto’s orbital plane is tilted approximately 18 degrees above the elliptical plane and is roughly the size of our earth’s moon. Given the orbital characteristic and size of Pluto, the science community recently r ...
Formation of Solar System
... For outer planets T is lower and masses higher so they retain the light gases. The angular momentum leads to a flattened disc which explains why all the planets are in the same plane. T rose in centre and stayed at say 50K in the outer reaches. Rocky material stayed solid near the protosun and gases ...
... For outer planets T is lower and masses higher so they retain the light gases. The angular momentum leads to a flattened disc which explains why all the planets are in the same plane. T rose in centre and stayed at say 50K in the outer reaches. Rocky material stayed solid near the protosun and gases ...
Earth - Harding University
... The sun is also unusually stable for a main sequence star, whose luminosity (brightness) has increased only a few % over the last 2 billion years, providing a very long term stable environment for life to flourish and develop ...
... The sun is also unusually stable for a main sequence star, whose luminosity (brightness) has increased only a few % over the last 2 billion years, providing a very long term stable environment for life to flourish and develop ...
Where do Stars Form ?
... Formation of Stars Gas clouds have low temperatures, T~10-300 K with densities ranging from n ~ 5 x 108 m-3 to >1010 m-3. Stars form from the gravitational collapse of these clouds. What is the condition for collapse ? When does gravity overcome the gas pressure ? The Jeans Criterion Worked out by ...
... Formation of Stars Gas clouds have low temperatures, T~10-300 K with densities ranging from n ~ 5 x 108 m-3 to >1010 m-3. Stars form from the gravitational collapse of these clouds. What is the condition for collapse ? When does gravity overcome the gas pressure ? The Jeans Criterion Worked out by ...