Some of us may remember the launches of Voyagers 1 and 2 in 1977. They were ambitious missions to fly by the outer planets. Who would have believed that they would still be sending back scientific data from the distant reaches of the sun’s influence?

Voyager 1 has energy to continue its mission until 2025, Voyager 2 until 2020. Voyager 1 is about 146 times further from the sun than the Earth and is the most distant man-made object. Voyager 2 is about 120 times further from the sun than the Earth. Both have reached the interstellar medium and are now providing data that shows information about cosmic rays from interstellar space.We hope you will join us for Public Night at the Observatory the first Friday each month from sunset to 10 p.m. Check out the stars, planets (Jupiter and Saturn), and objects through our large telescopes: humbleisd.net/observatory.

Aaron Clevenson
Author: Aaron ClevensonEmail: This email address is being protected from spambots. You need JavaScript enabled to view it.
I am the observatory director at the Insperity Observatory in Humble ISD. I am also an adjunct astronomy professor at Lone Star College-Montgomery where I teach solar system astronomy and stars and galaxies astronomy. I am the author of the astronomy textbook, “Astronomy for Mere Mortals.” I am a past president of the North Houston Astronomy Club, and was the chair of Astronomy Day in Southeast Texas in 2015 and 2016. He is an observing program director with The Astronomical League, coordinates their Master Observer Progression Awards, and has authored six of their observing programs.

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