Celebrate Earth Day with Free Printable Posters. Earth Day is a time to appreciate and protect our planet. One easy way to spread awareness is by using printable Earth Day posters.These free ...

Sir David Attenborough’s landmark Frozen Planet series stunned and amazed us all with astonishing footage of the frozen wildernesses of the Arctic and Antarctic.

One of the posters depicts Kepler 186f, a planet sometimes called "Earth's cousin." The exoplanet is slightly larger than Earth, and circles a star smaller and dimmer than the sun.

Amelia Farley put up posters in her community to encourage people to drive less. Hot Topics. Topics. Settings. MODE. Hot ... What are you doing to help the planet? Published 2019-05-03 06:30.

The second poster shows Kepler 16b, a planet that orbits twin suns. The third depicts HD 40307g, a so-called Super Earth about 1.4 times the size of our home planet and eight times as massive.