The sprawling Caloris basin on Mercury is one of the solar system’s largest impact basins, created during the early history of the solar system by the impact of a large asteroid-sized body. The multi-featured, fractured basin spans about 1,500 kilometers in this enhanced color mosaic based on image data from the Mercury-orbiting MESSENGER spacecraft. Mercury’s youngest large impact basin, Caloris was subsequently filled in by lavas that appear orange in the mosaic. Craters made after the flooding have excavated material from beneath the surface lavas. Seen as contrasting blue hues, they likely offer a glimpse of the original basin floor material. Analysis of these craters suggests the thickness of the covering volcanic lava to be 2.5-3.5 kilometers. Orange splotches around the basin’s perimeter are thought to be volcanic vents.

Image Credit: NASA, Johns Hopkins Univ. APL, Arizona State U., CIW

anonymous asked:

can you state the planets and their signifigance. example: mars- controls or defines your xyz

sun - your personality, your ego, your self and consciousness; rules leo

moon - your emotions, the way you express them, your subconscious; rules cancer

mercury - communication, how you communicate, learning; rules gemini + virgo

venus - the way you love, how you express affection, what you find beautiful; rules libra + taurus

mars - your passion, your desires, your instincts and aggression, courage, determination; rules aries + scorpio

jupiter - luck, faith, spiritual growth; rules sagittarius

saturn - laws and rules, hardships, childhood; rules capricorn

uranus - imagination, intuition, openness, independence; rules aquarius

neptune - your dreams, drugs, perception-deception; rules pisces

pluto - death, taboo, regeneration; rules scorpio