Exoplanet Survey Satellite‚ TESS‚ wich will be sent to orbit on 2017 with the mission of finding exoplanets. Exoplanets are planets that orbit a star that is not our sun‚ and until now scientists have discovered over 800 of them‚ mainly thanks to the Kepler telescope wich began working in 2009. TESS goal is to identify planets within the habitable zones of nearby stars. This mainly means planets with a solid crust and with temperatures that allow the existence of liquid water. These are planets that could
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found outside the visible spectrum. The familiar red H-alpha line of hydrogen which is the transition from the shell n=3 to the Balmer series shell n=2 is one of the conspicuous colors of the universe contributing a bright red line to the spectra of star forming regions. Later‚ it was discovered that when the spectral lines of the hydrogen spectrum are examined at very high resolution‚ they are found to be closely-spaced doublets. This splitting is called fine structure. It was also found that excited
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as many stars. Main Body This galaxy is set among the stars of the constellation of Andromeda‚ the tiny misty blur that astronomers know by the catalog number M 31 is easy to miss. Yet despite its unassuming appearance‚ M 31 is immensely greater than the stars that surround it. For centuries‚ astronomers thought that the Andromeda galaxy
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The planet’s first transit in front of its host star was observed on Kepler’s third day of scientific operations in mid-2009‚[9]. The third transit was detected in late 2010. Additional confirmation data was provided by the Spitzer Space Telescope and ground-based observations. On December 5‚ 2011‚ the confirmation of the existence of Kepler-22b was announced.[8] [edit]Composition and structure [pic] [pic] A diagram of the Kepler-22b System‚ compared to our Inner Solar System. Kepler-22b’s
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to see if it’s a habitable planet. This planet should orbit a star that remains stable in output for billions of years. The star shoud provide brightness and warmth to the planet‚ be the energy source that lets plants make food to feed organisms. It is also important in that it will create seasons‚ weather patterns‚ oceanic currents and even sleep patterns for most living organisms. However‚ the planet should be a distance from the star that results in it achieving a suitable temperature so its
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physical and chemical changes occur in stars as they grow old and soon explode. Newly born stars are blue and are the hottest ones. They are born as soon as a red star which is also an old star explodes. Stars aren’t the only ones visible during the night. Some nearby planets can also be seen but the difference is that they are steady unlike the stars which are twinkling. It was also told that the Sun isn’t the largest star‚ but instead‚ it is just the nearest star to our planet. We also traveled to
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this lab was to introduce us to star charts and how to use them to find stars‚ constellations and other bodies in the sky. Procedure: The instructor gave a brief but thorough lecture and demonstration on how to go about finding the answers on the worksheet. We then filled out the worksheet that cover finding stars and constellations using right ascension and declination in general and on specific dates‚ where constellations are in the sky in relation to the star Polaris‚ and what time the sun
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These “scruffs” lead the way to a more in-depth understanding in how Astronomers come to understand the twinkle behind a star. Through the discovery made by Bell‚ science has been used to explain a fascinating spectacle gazed upon by awe-inspired star watchers. Next time someone looks up in the dark night sky and passes upon the tiny emittance of a twinkly light the validation of Jocelyn Bell’s hard work and discovery will be appreciated
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Ionized gas of positive & free electrons Photosphere chromosphere corona interior: convection zone‚ radiation zone‚ core Corona- 1mil k photo- 6000k Core -15million k Rotation prove sun not solid 300000k Interstellar med. - Made Of Gas and dust Stars made in cold molecular clouds (coldest darkest part or inter. Med) Low mass disk - planets Main seq 5 stages: main seq. red giant horizontal branch‚ .assent giant .... Platinum nebula- Sidreal versus solar days Galileo Granulation? Differential
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Anil by Ridjal Noor Themes Dreams of the future Relationships/ Family – the role of each member of the family Culture Childhood Violence Guilt Repression Fear Love Shame Superstitions: Lack of Education? Morality – what is right/wrong Treatment of women Justice Plot A boy‚ Anil‚ lives in Malaysia with his mother & father‚ who is a bully to his family‚ but timid & respectful to his employer‚ the Headman. It is night-time and he is asleep in a hut with his parents. He needs the toilet but doesn’t
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