Mercury

What Are These Hollows on Mercury?

by Fraser Cain March 26, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Emily Lakdawalla from the planetary society describes one of the mysteries that’s currently fascinating her. There are strange structures on Mercury which have been called “hollows”. What might they be? Remove this ad Fraser Cain on Google+

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Mercury Shrinking: the First Rock from the Sun Contracted More than Once Thought

by Jason Major March 16, 2014

Whatever Mercury’s did to trim down its waistline has worked better than anyone thought — the innermost planet in our Solar System has reduced its radius* by about 7 kilometers (4.4 miles), over double the amount once estimated by scientists. Of course you wouldn’t want to rush to begin the Mercury diet — its planetary […]

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Mariner 10: Best Venus Image and 1st Ever Planetary Gravity Assist – 40 Years Ago Today

by Ken Kremer February 5, 2014

Exactly 40 Years ago today on Feb. 5, 1974, Mariner 10, accomplished a history making and groundbreaking feat when the NASA science probe became the first spacecraft ever to test out and execute the technique known as a planetary gravity assisted flyby used to alter its speed and trajectory – in order to reach another […]

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Weekly Space Hangout – January 31, 2014: No Black Holes?!?

by Fraser Cain January 31, 2014

Host: Fraser Cain Guests: Brian Koberlein, Morgan Rehnberg, David Dickinson, Jason Major, Nicole Gugliucci Remove this ad Fraser Cain on Google+

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Virtual Star Party – January 12, 2014: The Planetary Show!

by Fraser Cain January 12, 2014

Hosts: Fraser Cain(@fcain, @universetoday) and Scott Lewis(@baldastronomer) Astronomers: David Dickinson(@astroguyz) in Florida Mike Phillips in North Carolina Shahrin Ahmad(@shahgazer) in Malaysia Andrew Dumbleton in England and James McGee Remove this ad Fraser Cain on Google+

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