TRAPPIST-1 Solar System Comparison. This diagram compares the TRAPPIST-1 planet system with Earth's solar system. The size of Earth's sun is shown with regard to the red dwarf star, TRAPPIST-1. The position of the seven planets around TRAPPIST-1 are shown in relation to Mercury's orbit around the sun.

TRAPPIST-1 Solar System Comparison. This diagram compares the TRAPPIST-1 planet system with Earth's solar system. The size of Earth's sun is shown with regard to the red dwarf star, TRAPPIST-1. The position of the seven planets around TRAPPIST-1 are shown in relation to Mercury's orbit around the sun.

Our Solar System to Scale (I think this lesson could be easily modified for upper elementary science classes--and would make a great hook or culminating activity for a Solar System unit!)

Our Solar System to Scale (I think this lesson could be easily modified for upper elementary science classes--and would make a great hook or culminating activity for a Solar System unit!)

Astrological Planets –There are eight planets in the Solar System. In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, & Neptune. Pluto was discredited by some...but I'm not buying it! lol

Astrological Planets –There are eight planets in the Solar System. In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, & Neptune. Pluto was discredited by some...but I'm not buying it! lol

Mercury: The images were created using a mosaic of pictures from Nasa's messenger spacecraft, which were then combined to create a video 'flyby' of the planet. 2013

Mercury: The images were created using a mosaic of pictures from Nasa's messenger spacecraft, which were then combined to create a video 'flyby' of the planet. 2013

Mercury Systems CEO: Massive defense industry changes have just begun - Boston Business Journal

Mercury Systems CEO: Massive defense industry changes have just begun - Boston Business Journal

Every US space mission from Mercury to Apollo-Soyuz with astronauts color-coded by selection group.

Every US space mission from Mercury to Apollo-Soyuz with astronauts color-coded by selection group.

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