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NASA Chief Scientist Predicts We'll Find Signs Of Alien Life By 2025

Earth isn't the only ocean world in our solar system. Oceans could exist in diverse forms on moons and dwarf planets, offering clues in the quest to discover life beyond our home planet. This illustration depicts the best known candidates in our search for life in the solar system. Image Credit: NASA/JPL-Caltech

This diagram shows our cosmic address at a glance. We see our planetary system around the Sun, our stellar neighborhood in our galaxy, our galaxy in the local group of galaxies, and our group in the entire universe.

WORLD WONDERS ☪ :: Cool Space Facts - A Collection of Cool Space Facts About The Sun and All The Planets in Our Solar System (Sorry, Pluto)


Video: Must-See Solar Flare Explodes From Sun’s Surface

An incredibly stunning solar flare erupted from the sun’s surface, throwing charged particles and searing plasma millions of miles out into space on Apr. 16. NASA’s Solar Dynamics Observatory captured data from the flare. The blast was not directed at the Earth and is unlikely to hit any of the planets in our solar system.

The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)


Earth and Venus over an 8 year period…

Earth and Venus over an 8 year period...

Perspective in space proportions - just when you thought you knew how vast the universe was...

Our entire solar system in this little dot of the Milky Way galaxy. There are around 300,000,000,000 stars in the Milky Way galaxy alone. Each star having possibly one or more planets in orbit.


New Dimension: Nebulas Are Even More Amazing in 3-D

Deep space

how deep is your world?

All That Is Interestingfrom All That Is Interesting

The 50 Most Popular All That Is Interesting Pictures

Planet size comparisons and an amazing photo taken of a very dark area in space only to reveal over 10,000 galaxies