Donald E. Brownlee, born on December 21, 1943, is an astronomy professor at the University of Washington in Seattle and the principal investigator of NASA's Stardust mission. In 2000, he co-developed the term 'rare Earth' with Peter Ward, referring to the potential rarity of life in other parts of the universe. His key research interests include astrobiology, comets, and cosmic dust. He was born in Las Vegas, Nevada.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 359 days away.
Place of Birth
Time Zone - America/Los_Angeles (7:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
December 21, 1943 Facts
Generation Group
دونالد يوجين براونلي belongs to the Silent Generation group.
Place of Birth: Las Vegas
Educated At: University of Washington | University of California, Berkeley
Occupation: university teacher | astronomer
Employers: Lunar and Planetary Institute | University of Washington
Awards Received: NASA Exceptional Scientific Achievement Medal | J. Lawrence Smith Medal | Leonard Medal
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.
Ephemeris for December 21, 1943
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 21, 2025 | Secondary Progressions for December 21, 2025 |
|---|---|---|---|
| Sun | 29 Sagittarius 3 | 0 Capricorn 10 | 22 Pisces 5 |
| Moon | 20 Libra 59 | 19 Capricorn 23 | 22 Libra 45 |
| Mercury | 18 Capricorn 56 | 13 Sagittarius 25 | 17 Pisces 21 |
| Venus | 15 Scorpio 25 | 26 Sagittarius 22 | 24 Aquarius 41 |
| Mars | 7 Gemini 23 | 4 Capricorn 54 | 22 Gemini 30 |
| Jupiter | 26 Leo 45 | 22 Cancer 38 | 18 Leo 19 |
| Saturn | 23 Gemini 1 | 25 Pisces 34 | 20 Gemini 26 |
| Uranus | 5 Gemini 56 | 28 Taurus 16 | 5 Gemini 12 |
| Neptune | 4 Libra 11 | 29 Pisces 24 | 3 Libra 11 |
| Pluto | 8 Leo 22 | 2 Aquarius 25 | 6 Leo 41 |
| Rahu | 8 Leo 43 | 12 Pisces 42 | 4 Leo 23 |
| Ketu | 8 Aquarius 43 | 12 Virgo 42 | 4 Aquarius 23 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.دونالد يوجين براونلي's 2025 Transits to Natal Planets
- Mars opposition Mercury
Exact: 31 January, 2025 - Mars opposition Mercury
Exact: 12 March, 2025 - Mars square Moon
Exact: 22 March, 2025 - Jupiter trine Moon
Exact: 01 May, 2025 - Jupiter conjunction Saturn
Exact: 11 May, 2025 - Mars square Venus
Exact: 21 May, 2025 - Saturn square Sun
Exact: 21 May, 2025 - Mars conjunction Jupiter
Exact: 10 June, 2025 - Jupiter opposition Sun
Exact: 10 June, 2025 - Jupiter trine Venus
Exact: 19 August, 2025 - Saturn square Sun
Exact: 29 August, 2025 - Mars conjunction Moon
Exact: 08 September, 2025 - Jupiter opposition Mercury
Exact: 08 September, 2025
