வால்வெள்ளி (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "வால்வெள்ளி" in Tamil language version.

refsWebsite

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10harvard.edu

18^th place

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9doi.org

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6esa.int

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6nasa.gov

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5web.archive.org

1^st place

4books.google.com

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4nih.gov

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2archive.org

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1johnstonsarchive.net

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1oed.com

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1etymonline.com

287^th place

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1starryskies.com

low place

1timeshighereducation.co.uk

5,003^rd place

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1hawaii.edu

1,308^th place

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1ucla.edu

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1usra.edu

2,838^th place

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1astrosociety.org

low place

1worldcat.org

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1planetary.org

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1spacetelescope.org

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1hubblesite.org

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archive.org

Randall, Lisa (2015). Dark Matter and the Dinosaurs: The Astounding Interconnectedness of the Universe. New York: Ecco/HarperCollins Publishers. pp. 104–105. பன்னாட்டுத் தரப்புத்தக எண் 978-0-06-232847-2.
The Encyclopedia Americana: a library of universal knowledge, Volume 26. Encyclopedia Americana Corp. 1920. pp. 162–163.

astrosociety.org

"What Have We Learned About Halley's Comet?". Astronomical Society of the Pacific. 1986. பார்க்கப்பட்ட நாள் 4 October 2013.

books.google.com

Erickson, Jon (2003). Asteroids, Comets, and Meteorites: Cosmic Invaders of the Earth. The Living Earth. New York: Infobase. p. 123. பன்னாட்டுத் தரப்புத்தக எண் 978-0-8160-4873-1.
Couper, Heather; Dinwiddie, Robert; Farndon, John; Henbest, Nigel; Hughes, David W.; Sparrow, Giles; Stott, Carole; Stuart, Colin (2014). The Planets: The Definitive Guide to Our Solar System. London: Dorling Kindersley. p. 222. பன்னாட்டுத் தரப்புத்தக எண் 978-1-4654-3573-6.
Hanslmeier, Arnold (2008). Habitability and Cosmic Catastrophes. p. 91. பன்னாட்டுத் தரப்புத்தக எண் 978-3-540-76945-3.
Sagan & Druyan 1997, ப. 137 Sagan, Carl; Druyan, Ann (1997). Comet. London: Headline. பன்னாட்டுத் தரப்புத்தக எண் 978-0-7472-7664-7. {{cite book}}: Invalid |ref=harv (help)

doi.org

dx.doi.org

Ishii, H. A.; Bradley, J. P.; Dai, Z. R.; Chi, M.; Kearsley, A. T.; Burchell, M. J.; Browning, N. D.; Molster, F. (2008). "Comparison of Comet 81P/Wild 2 Dust with Interplanetary Dust from Comets". Science 319 (5862): 447–50. doi:10.1126/science.1150683. பப்மெட்:18218892. Bibcode: 2008Sci...319..447I.
Licht, A (1999). "The Rate of Naked-Eye Comets from 101 BC to 1970 AD". Icarus 137 (2): 355. doi:10.1006/icar.1998.6048. Bibcode: 1999Icar..137..355L.
Elsila, Jamie E.; Glavin, Daniel P.; Dworkin, Jason P. (2009). "Cometary glycine detected in samples returned by Stardust". Meteoritics & Planetary Science 44 (9): 1323. doi:10.1111/j.1945-5100.2009.tb01224.x. Bibcode: 2009M&PS...44.1323E.
Callahan, M. P.; Smith, K. E.; Cleaves, H. J.; Ruzicka, J.; Stern, J. C.; Glavin, D. P.; House, C. H.; Dworkin, J. P. (2011). "Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases". Proceedings of the National Academy of Sciences 108 (34): 13995–8. doi:10.1073/pnas.1106493108. பப்மெட்:21836052. Bibcode: 2011PNAS..10813995C.
Weaver, H. A.; Feldman, PD; a'Hearn, MF; Arpigny, C; Brandt, JC; Festou, MC; Haken, M; McPhate, JB et al. (1997). "The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 O1)". Science 275 (5308): 1900–4. doi:10.1126/science.275.5308.1900. பப்மெட்:9072959. Bibcode: 1997Sci...275.1900W.
Fernández, Yanga R. (2000). "The Nucleus of Comet Hale-Bopp (C/1995 O1): Size and Activity". Earth, Moon, and Planets 89: 3. doi:10.1023/A:1021545031431. Bibcode: 2000EM&P...89....3F.
Whitman, K; Morbidelli, A; Jedicke, R (2006). "The size–frequency distribution of dormant Jupiter family comets". Icarus 183: 101. doi:10.1016/j.icarus.2006.02.016. Bibcode: 2006Icar..183..101W.
Schiermeier, Quirin (14 April 2015). "Rosetta's comet has no magnetic field". Nature. doi:10.1038/nature.2015.17327.
Sagdeev, R. Z.; Elyasberg, P. E.; Moroz, V. I. (1988). "Is the nucleus of Comet Halley a low density body?". Nature 331 (6153): 240. doi:10.1038/331240a0. பன்னாட்டுத் தர தொடர் எண்:0028-0836. Bibcode: 1988Natur.331..240S.

esa.int

"What is the difference between asteroids and comets". Rosetta's Frequently Asked Questions. European Space Agency. பார்க்கப்பட்ட நாள் 30 July 2013.
European Space Agency, Rosetta's Philae probe lands on comet.
"SOHO's new catch: its first officially periodic comet". European Space Agency. பார்க்கப்பட்ட நாள் 16 August 2013.
Bauer, Markus (14 April 2015). "Rosetta and Philae Find Comet Not Magnetised". European Space Agency. http://www.esa.int/Our_Activities/Space_Science/Rosetta/Rosetta_and_Philae_find_comet_not_magnetised. பார்த்த நாள்: 14 April 2015.
"Comet vital statistics". European Space Agency. 22 January 2015. பார்க்கப்பட்ட நாள் 24 January 2015.

blogs.esa.int

Baldwin, Emily (21 August 2014). "Determining the mass of comet 67P/C-G". European Space Agency. பார்க்கப்பட்ட நாள் 21 August 2014.

etymonline.com

Harper, Douglas. "Comet (n.)". Online Etymology Dictionary. பார்க்கப்பட்ட நாள் 30 July 2013.

harvard.edu

adsabs.harvard.edu

Ishii, H. A.; Bradley, J. P.; Dai, Z. R.; Chi, M.; Kearsley, A. T.; Burchell, M. J.; Browning, N. D.; Molster, F. (2008). "Comparison of Comet 81P/Wild 2 Dust with Interplanetary Dust from Comets". Science 319 (5862): 447–50. doi:10.1126/science.1150683. பப்மெட்:18218892. Bibcode: 2008Sci...319..447I.
Licht, A (1999). "The Rate of Naked-Eye Comets from 101 BC to 1970 AD". Icarus 137 (2): 355. doi:10.1006/icar.1998.6048. Bibcode: 1999Icar..137..355L.
Greenberg, J. Mayo (1998). "Making a comet nucleus". Astronomy and Astrophysics 330: 375. Bibcode: 1998A&A...330..375G.
Elsila, Jamie E.; Glavin, Daniel P.; Dworkin, Jason P. (2009). "Cometary glycine detected in samples returned by Stardust". Meteoritics & Planetary Science 44 (9): 1323. doi:10.1111/j.1945-5100.2009.tb01224.x. Bibcode: 2009M&PS...44.1323E.
Callahan, M. P.; Smith, K. E.; Cleaves, H. J.; Ruzicka, J.; Stern, J. C.; Glavin, D. P.; House, C. H.; Dworkin, J. P. (2011). "Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases". Proceedings of the National Academy of Sciences 108 (34): 13995–8. doi:10.1073/pnas.1106493108. பப்மெட்:21836052. Bibcode: 2011PNAS..10813995C.
Weaver, H. A.; Feldman, PD; a'Hearn, MF; Arpigny, C; Brandt, JC; Festou, MC; Haken, M; McPhate, JB et al. (1997). "The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 O1)". Science 275 (5308): 1900–4. doi:10.1126/science.275.5308.1900. பப்மெட்:9072959. Bibcode: 1997Sci...275.1900W.
Fernández, Yanga R. (2000). "The Nucleus of Comet Hale-Bopp (C/1995 O1): Size and Activity". Earth, Moon, and Planets 89: 3. doi:10.1023/A:1021545031431. Bibcode: 2000EM&P...89....3F.
Britt, D. T.; Consolmagno, G. J.; Merline, W. J. (2006). "Small Body Density and Porosity: New Data, New Insights". 37th Annual Lunar and Planetary Science Conference 37: 2214. Bibcode: 2006LPI....37.2214B. http://www.lpi.usra.edu/meetings/lpsc2006/pdf/2214.pdf.
Whitman, K; Morbidelli, A; Jedicke, R (2006). "The size–frequency distribution of dormant Jupiter family comets". Icarus 183: 101. doi:10.1016/j.icarus.2006.02.016. Bibcode: 2006Icar..183..101W.
Sagdeev, R. Z.; Elyasberg, P. E.; Moroz, V. I. (1988). "Is the nucleus of Comet Halley a low density body?". Nature 331 (6153): 240. doi:10.1038/331240a0. பன்னாட்டுத் தர தொடர் எண்:0028-0836. Bibcode: 1988Natur.331..240S.

hawaii.edu

psrd.hawaii.edu

Meech, M. (24 March 1997). "1997 Apparition of Comet Hale–Bopp: What We Can Learn from Bright Comets". Planetary Science Research Discoveries. பார்க்கப்பட்ட நாள் 30 April 2013.

hubblesite.org

"Active Asteroid P/2013 P5". Archived from the original on 2015-05-22. பார்க்கப்பட்ட நாள் 2015-07-25.

johnstonsarchive.net

Johnston, Robert (2 August 2014). "Known populations of solar system objects". Archived from the original on 9 ஜூன் 2019. பார்க்கப்பட்ட நாள் 19 January 2015. {{cite web}}: Check date values in: |archive-date= (help)

nasa.gov

neo.jpl.nasa.gov

"What Are Asteroids And Comets". Near Earth Object Program FAQ. NASA. Archived from the original on 9 செப்டம்பர் 2010. பார்க்கப்பட்ட நாள் 30 July 2013. {{cite web}}: Check date values in: |archive-date= (help)

jpl.nasa.gov

Clavin, Whitney (10 February 2015). "Why Comets Are Like Deep Fried Ice Cream". NASA. பார்க்கப்பட்ட நாள் 10 February 2015.

stardust.jpl.nasa.gov

"Stardust Findings Suggest Comets More Complex Than Thought". NASA. 14 December 2006. பார்க்கப்பட்ட நாள் 31 July 2013.

nasa.gov

Steigerwald, John (8 August 2011). "NASA Researchers: DNA Building Blocks Can Be Made in Space". NASA. பார்க்கப்பட்ட நாள் 31 July 2013.

history.nasa.gov

"The Geology of Small Bodies". NASA. Archived from the original on 11 மே 2020. பார்க்கப்பட்ட நாள் 15 August 2013.

ssd.jpl.nasa.gov

"9P/Tempel 1". JPL. பார்க்கப்பட்ட நாள் 16 August 2013.

nih.gov

ncbi.nlm.nih.gov

Ishii, H. A.; Bradley, J. P.; Dai, Z. R.; Chi, M.; Kearsley, A. T.; Burchell, M. J.; Browning, N. D.; Molster, F. (2008). "Comparison of Comet 81P/Wild 2 Dust with Interplanetary Dust from Comets". Science 319 (5862): 447–50. doi:10.1126/science.1150683. பப்மெட்:18218892. Bibcode: 2008Sci...319..447I.
Callahan, M. P.; Smith, K. E.; Cleaves, H. J.; Ruzicka, J.; Stern, J. C.; Glavin, D. P.; House, C. H.; Dworkin, J. P. (2011). "Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases". Proceedings of the National Academy of Sciences 108 (34): 13995–8. doi:10.1073/pnas.1106493108. பப்மெட்:21836052. Bibcode: 2011PNAS..10813995C.
Weaver, H. A.; Feldman, PD; a'Hearn, MF; Arpigny, C; Brandt, JC; Festou, MC; Haken, M; McPhate, JB et al. (1997). "The Activity and Size of the Nucleus of Comet Hale-Bopp (C/1995 O1)". Science 275 (5308): 1900–4. doi:10.1126/science.275.5308.1900. பப்மெட்:9072959. Bibcode: 1997Sci...275.1900W.

pubmedcentral.nih.gov

Callahan, M. P.; Smith, K. E.; Cleaves, H. J.; Ruzicka, J.; Stern, J. C.; Glavin, D. P.; House, C. H.; Dworkin, J. P. (2011). "Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases". Proceedings of the National Academy of Sciences 108 (34): 13995–8. doi:10.1073/pnas.1106493108. பப்மெட்:21836052. Bibcode: 2011PNAS..10813995C.

oed.com

"comet". (Online). ஒக்ஸ்போர்ட் பல்கலைக்கழகப் பதிப்பகம். (Subscription or participating institution membership required.)

planetary.org

"Comet 81P/Wild 2". The Planetary Society. Archived from the original on 6 January 2009. பார்க்கப்பட்ட நாள் 20 November 2007.

spacetelescope.org

"Hubble's Last Look at Comet ISON Before Perihelion". ESA/Hubble Press Release. http://www.spacetelescope.org/images/opo1347a/. பார்த்த நாள்: 20 November 2013.

starryskies.com

"Dirty Snowballs in Space". Starryskies. பார்க்கப்பட்ட நாள் 15 August 2013.

timeshighereducation.co.uk

"Evidence from ESA's Rosetta Spacecraft Suggests that Comets are more "Icy Dirtball" than "Dirty Snowball"". Times Higher Education. 21 October 2005. http://www.timeshighereducation.co.uk/news/evidence-from-esas-rosetta-spacecraft-suggests-that-comets-are-more-icy-dirtball-than-dirty-snowball/199168.article.

ucla.edu

www2.ess.ucla.edu

"The Cometary Nucleus". Department of Earth and Space Sciences, UCLA. April 2003. பார்க்கப்பட்ட நாள் 31 July 2013.

usra.edu

lpi.usra.edu

Britt, D. T.; Consolmagno, G. J.; Merline, W. J. (2006). "Small Body Density and Porosity: New Data, New Insights". 37th Annual Lunar and Planetary Science Conference 37: 2214. Bibcode: 2006LPI....37.2214B. http://www.lpi.usra.edu/meetings/lpsc2006/pdf/2214.pdf.

web.archive.org

"What Are Asteroids And Comets". Near Earth Object Program FAQ. NASA. Archived from the original on 9 செப்டம்பர் 2010. பார்க்கப்பட்ட நாள் 30 July 2013. {{cite web}}: Check date values in: |archive-date= (help)
Johnston, Robert (2 August 2014). "Known populations of solar system objects". Archived from the original on 9 ஜூன் 2019. பார்க்கப்பட்ட நாள் 19 January 2015. {{cite web}}: Check date values in: |archive-date= (help)
"The Geology of Small Bodies". NASA. Archived from the original on 11 மே 2020. பார்க்கப்பட்ட நாள் 15 August 2013.
"Comet 81P/Wild 2". The Planetary Society. Archived from the original on 6 January 2009. பார்க்கப்பட்ட நாள் 20 November 2007.
"Active Asteroid P/2013 P5". Archived from the original on 2015-05-22. பார்க்கப்பட்ட நாள் 2015-07-25.

worldcat.org

Sagdeev, R. Z.; Elyasberg, P. E.; Moroz, V. I. (1988). "Is the nucleus of Comet Halley a low density body?". Nature 331 (6153): 240. doi:10.1038/331240a0. பன்னாட்டுத் தர தொடர் எண்:0028-0836. Bibcode: 1988Natur.331..240S.