HD 40307g - NASA Visions of the Future NGC 281

HD 40307g - NASA Visions of the Future NGC 281A super Earth is a planet with a mass greater than Earth, but still significantly less than the ice giants of our solar system, Uranus and Neptune. What would be the attraction of visiting a super Earth, a bigger, more massive planet than our own? The easy answer is more gravity! HD 40307g is twice as big in volume as the Earth and and scientists aren't sure if it has a rocky surface or one that's buried beneath thick layers of gas and ice. One thing

Walborn (STScI)

It will take a lot of planing and preparation to get astronauts to Mars

released for Hubble's 17th anniversary

Object Name: M101

Also know as the Pinwheel Galaxy

Jupiter's auroras are hundreds of times more powerful than the Aurora Borealis on Earth

This Butterfly Nebula is also known as NGC 6302 or the Bug Nebula which rests in the constellation Scorpius

massive star

Langer (AifA

The gravity of each planet was used  to send them on to the next destination

The twin moons of Mars are calling

and Charles Messier verified its position for inclusion as one of the final entries in the Messier Catalogue