Mercury, First Planet From the Sun: Latest Discoveries

Mercury is our solar system's smallest planet.
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Meteor Showers on Mercury May Explain Astronomical Puzzle
Mercury Encke Trail
November 23rd, 2015
Mercury can experience meteor showers as Comet Encke periodically peppers the planet's tenuous atmosphere with dust, new research suggests.
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Right Place, Right Time: See Mercury in the Night Sky This Week
Mercury at Greatest Elongation East in September 2015
September 4th, 2015
Mercury is a very challenging planet to view, but this week, skywatchers have a good chance to see it, especially in the Southern Hemisphere.
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Brilliant Venus to Join Jupiter and Mars in Pre-Dawn Sky Monday: How To See It
Venus, Oct. 26, 2015
October 21st, 2015
Venus has been dominating the morning sky for the past two months, and Monday (Oct. 26), it will form a vivid tableau with Jupiter and Mars as it reaches its farthest point from the sun.
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The Brightest Planets in September’s Night Sky: How to See Them (and When)
Venus, September 2015
September 1st, 2015
Eye-popping Venus, low-riding Mercury and stealthy Saturn will all make appearances among the bright objects in September's night sky, and this day-by-day description shows how to find them.
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Mercury Sole Survivor of Close Orbiting Planets Around the Sun
Kepler-444 System of Planets
June 12th, 2015
The area of our solar system where Mercury resides may once have held as many as four rocky planets. Violent collisions could have left it as the last survivor.
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October's Planets on Parade: How and When to See Them
Moon, Venus and Regulus, October 2015
October 5th, 2015
Here's a guide for October skywatchers: First catch Saturn, then Jupiter, Mars and Venus, and finally Mercury in the night sky as this month's planetary parade begins.
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Mercury's Speedy Spin Hints at Planet's Insides
mercury, spin, core
September 11th, 2015
Mercury is a faster spinner than thought, completing a spin on its axis roughly 9 seconds more quickly than scientists previously charted — and that data will help scientists understand more about the planet's molten core.
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How to See Venus, Saturn, Jupiter & Mercury in July's Night Sky
Saturn in July 2015
July 1st, 2015
July offers opportunities to see Venus, Saturn, Jupiter and Mercury overhead. Here's how, and when, to spot them.
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