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8 results for Hongjun Pan.

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New Formulas and Mechanism for the Spiral Arm Formation of Galaxies
by Hongjun Pan
International Journal of Physics. 2019, 7(3), 73-85. DOI: 10.12691/ijp-7-3-2
Pub. Date: October 23, 2019Views: 25053Downloads: 29061
spiral galaxies simulation evolution black holes hydrogen production matter conversion
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How Long Can the Spiral Arms of Disc Galaxies Be Optically Observed?
by Hongjun Pan
International Journal of Physics. 2024, 12(5), 212-224. DOI: 10.12691/ijp-12-5-4
Pub. Date: September 16, 2024Views: 6470Downloads: 12300
Spiral arms spiral pattern evolution rigid spiral arms soft spiral arms spiral galaxies
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The Serious Consequence of Curiosity
by Hongjun Pan
World Journal of Social Sciences and Humanities. 2025, 11(2), 23-24. DOI: 10.12691/wjssh-11-2-1
Pub. Date: July 04, 2025Views: 1931Downloads: 6377
Curiosity inspirations consequence life-altering
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Spiral Arm Formation of Galaxies Through ROTASE Mechanism is Perfectly Demonstrated by Falling Rockets Venting Fuel
by Hongjun Pan
International Journal of Physics. 2023, 11(4), 166-173. DOI: 10.12691/ijp-11-4-1
Pub. Date: September 16, 2023Views: 8091Downloads: 9321
spiral arms spiral galaxies x-matter black holes galaxy evolution spirals by rockets
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Spirals and Rings in Barred Galaxies by the ROTASE Model
by Hongjun Pan
International Journal of Physics. 2021, 9(6), 286-307. DOI: 10.12691/ijp-9-6-5
Pub. Date: December 01, 2021Views: 15869Downloads: 17254
ROTASE model formation of spiral arms X-matter black hole chain-link ring crossing
Abstract Full Text PDF (1807 KB) Full Text HTML Full Text ePUB (8961 KB)
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Pitch Angle Calculation of Spiral Galaxies Based on the ROTASE Model
by Hongjun Pan
International Journal of Physics. 2021, 9(2), 71-82. DOI: 10.12691/ijp-9-2-2
Pub. Date: January 27, 2021Views: 11685Downloads: 14598
X-matter ROTASE model spiral arms pitch angle spiral galaxies simulation
Abstract Full Text PDF (587 KB) Full Text HTML Full Text ePUB (3399 KB)
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The Evolution of the Earth-Moon System Based on the Dark Matter Field Fluid Model
by Hongjun Pan
International Journal of Physics. 2020, 8(1), 14-20. DOI: 10.12691/ijp-8-1-3
Pub. Date: February 19, 2020Views: 9258Downloads: 10072
dark matter fluid evolution Earth Moon Mars
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The Flat Rotation Curve of the Spiral Galaxies may be the Result of the Perfect Combination of the Fluid Mechanics and the Gravitational Mechanics
by Hongjun Pan
International Journal of Physics. 2019, 7(2), 44-49. DOI: 10.12691/ijp-7-2-2
Pub. Date: July 17, 2019Views: 20192Downloads: 20126
rotation curve spiral galaxies fluid mechanics gravitational mechanics
Abstract Full Text PDF (483 KB) Full Text HTML Full Text ePUB (2769 KB)
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