John H. Black, born in 1949 in Indianapolis, is an American radio astronomer. He studied at Harvard University, earning his B.A. in 1971, A.M. in 1973, and Ph.D. in astronomy in 1975. He worked at the University of Minnesota from 1975 to 1978, then at Harvard until 1983, and at the Steward Observatory, University of Arizona from 1983 to 1998, becoming a full professor in 1989. He has since worked at Onsala Space Observatory and has been a professor of radio astronomy at Chalmers University since January 1996, focusing on astrochemistry and the interstellar medium.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 315 days away.
Place of Birth
Time Zone - America/Indiana/Indianapolis (5:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - John
God is gracious
Read Full John Name AnalysisMay 7, 1949 Facts
Generation Group
John H. Black belongs to the Baby Boomers group.
Place of Birth: Indianapolis
Educated At: Harvard University
Occupation: researcher | astronomer
Employers: Steward Observatory | Chalmers University of Technology | University of Minnesota | Harvard University
Awards Received: Robert J. Trumpler Award
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 May 7, 1949
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on May 7, 2025 | Secondary Progressions for May 7, 2025 |
|---|---|---|---|
| Sun | 16 Taurus 47 | 17 Taurus 23 | 29 Cancer 32 |
| Moon | 10 Virgo 41 | 22 Virgo 58 | 20 Gemini 6 |
| Mercury | 7 Gemini 49 | 25 Aries 25 | 24 Cancer 40 |
| Venus | 22 Taurus 14 | 4 Aries 23 | 25 Leo 13 |
| Mars | 5 Taurus 41 | 8 Leo 44 | 29 Gemini 39 |
| Jupiter | 1 Aquarius 48 | 22 Gemini 44 | 26 Capricorn 49 |
| Saturn | 29 Leo 51 | 28 Pisces 25 | 4 Virgo 59 |
| Uranus | 28 Gemini 12 | 26 Taurus 43 | 2 Cancer 31 |
| Neptune | 12 Libra 56 | 1 Aries 17 | 12 Libra 37 |
| Pluto | 14 Leo 10 | 3 Aquarius 48 | 15 Leo 39 |
| Rahu | 24 Aries 43 | 24 Pisces 47 | 20 Aries 42 |
| Ketu | 24 Libra 43 | 24 Virgo 47 | 20 Libra 42 |
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.John H. Black's 2025 Transits to Natal Planets
- Mars opposition Jupiter
Exact: 01 January, 2025 - Saturn sextile Sun
Exact: 31 January, 2025 - Saturn sextile Venus
Exact: 22 March, 2025 - Mars opposition Jupiter
Exact: 21 April, 2025 - Jupiter trine Ketu
Exact: 21 May, 2025 - Mars aspects Rahu
Exact: 30 July, 2025
