If Mercury is so close to the sun... why is it freezing?

<p>What's it like on the surface of Mercury? Where did Mercury get its name? How long is a day on Mercury?</p><p><br></p><p>For today's awesome 5 Minute SMARTYQUIZ - check out the SMARTYQUIZ email. If you're not getting our free SMARTYQUIZ email, you are really missing out on making fun memories &amp; locking in the learning with our research-backed gamification - it's our gift to you 3 times a week! Sign up&nbsp;<a href="https://tinyurl.com/bds53ecr" rel="noopener noreferrer" target="_blank">here</a>.</p><p>For free home activities sign-up at <a href="http://www.WhoSmarted.com" rel="noopener noreferrer" target="_blank">www.WhoSmarted.com</a></p><p><br></p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>