Hale, George Ellery
1868-1938
- American astronomer who founded the Yerkes, Mt.
Wilson and Palomar observatories.
- Hall, Asaph 1829-1907
- American astronomer who discovered the two moons
of Mars, Deimos
and Phobos.
- Halley, Edmond
1656-1742
- English astronomer who applied Newton's laws of motion
to historical comet data and predicted correctly
the reappearance of the comet which now bears his
name.
- heliocentric
- Sun-centered; see Copernicus,
Kepler, Galileo.
- heliopause
- the point at which the solar
wind meets the interstellar medium or solar
wind from other stars.
- heliosphere
- the space within the boundary of the heliopause
containing the Sun and solar system.
- Herschel, Sir William
1738-1822
- British astronomer who discovered Uranus and
cataloged more than 800 double stars and 2,500
nebulae.
- Hubble, Edwin Powell
1889-1953
- American astronomer whose observations proved
that galaxies are "island universes",
not nebulae inside our own galaxy. His greatest
discovery was the linear relationship between a
galaxy's distance and the speed with which it is
moving. The Hubble Space Telescope is named in
his honor.
- Huygens, Christiaan
1629-1695
- Dutch physicist and astronomer who first
described the nature of Saturn's rings
(1655) and discovered its moon Titan; also
pioneered the use of the pendulum in clocks.
|
H
