Goal: To learn about the Kepler Mission in addition to the Transit Method Launched NGC 6791 Field of View
Tabback, Tom, On-Air Personality;General Manager has reference to this Academic Journal, PHwiki organized this Journal Goal: To learn about the Kepler Mission in addition to the Transit Method Objectives: To learn about the basics of the spacecraft To underst in addition to Mission goal To learn the reasoning about some of its quirks To explore what we have found so far from Kepler To underst in addition to the transit/eclipse method Launched 2009 March 6, 10:49 pm EST. https://www.youtube.com/watchv=A1pKRoUk-A4
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NGC 6791 Since in space can measure brightness very accurately Field of View 100,000 stars as long as Kepler to constantly monitor as long as 3.5 years
Actual images Black = star Quirks Spacecraft slowly trails earth in orbit Spacecraft rolls every 3 months Looks at a large field of view (about 15 degrees) all at once
Transit When a planet passes in front of a star it partially eclipses the star. A solar eclipse as long as example occurs when the moon blocks the sun Since planets are small they only block a small portion of the star We can tell: Just like be as long as e with the wobble method we can determine: Orbital period Orbital distance Mass Difficulties Sunspots can again pose a problem Binary stars Stellar Flares Other r in addition to om activity Planet has to have orbital plane that makes it pass in front of the star (very limiting) First one detected Nov, 1999 (discovered using wobble). 2nd was 2002 (first discovered using transit – OGLE-TR-56 b)
Initial findings Much more accurate! C in addition to idate vs confirmed Since NASA wants to see 3 transits per planet. Found hot Jupiters in months. Objects in Mercury orbits in about a year Planets in Earth like orbits in 3 years.
Expectations: 100,000 stars If 10% have planets then 10,000 star systems However, since Kepler uses transits to find planets only 0.5% of the systems will be detectable. That gives 500 expected systems to observe. Actual: C in addition to idate exoplanets: 4,706 Confirmed exoplanets: 1,039 Confirmed exoplanets less than twice Earth-size in the habitable zone: 12 So this implies that the % of stars with planets is somewhere between 20% in addition to 80%
What Kepler will not be able to do Observe the atmosphere. We are still finding the planets indirectly. The parent stars are too far away in addition to too dim to do detailed analysis from the ground. Kepler does not take spectrums Conclusion We have learned about how to use gravitational lensing as a tool. We have examined the complications with this style of observation.
Tabback, Tom On-Air Personality;General Manager
Tabback, Tom is from United States and they belong to Legal Briefs – KAZM-AM and they are from Sedona, United States got related to this Particular Journal. and Tabback, Tom deal with the subjects like Attorneys; Courts; Law
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