Hubble, Models, and Galaxies!

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Presentation transcript:

Hubble, Models, and Galaxies! Whirlpool Galaxy, M51 Sketch: 1845 (ground telescope) Whirlpool Galaxy, M51 Hubble Telescope: 2001

Inner Planet Comparison (w/ Pluto – the former planet!)

Outer and Inner Planets

Our Star!

Edwin Hubble Hubble noticed redshifts in the light from the galaxies, and concluded that galaxies are moving away from each other. The Universe is expanding! 1929

What goes up, must come down The origin of the Big Bang theory can be credited to Edwin Hubble. Hubble made the observation that the universe is continuously expanding. Therefore, if the universe is expanding… going back in time suggests that all matter came from one source!

According to the Big Bang model, the universe expanded from an extremely dense, hot state and continues to expand today.

Hubble Telescope (honoring Edwin Hubble!)

Hubble Space Telescope Orbit height: 347 miles above Earth.

Galaxies are classified in part by their shapes. Sombrero Galaxy: Spiral Irregular: Magellanic Cloud Elliptical: Most Common Type

Galaxies…

2. 5 million light-years away is the galaxy Andromeda 2.5 million light-years away is the galaxy Andromeda. It is the nearest galaxy to our own, the Milky Way. The Andromeda Galaxy, M31

SPIRAL GALAXIES!

Elliptical Galaxies

Irregular Galaxies

Hubble looked at Stars, Planets, and Nebulae Our Star with Sunspots!