Earth Like Planets In Our Solar System

Venus venus thick atmosphere makes it the hottest planet in our solar system.

Earth like planets in our solar system.

Of the thousands of exoplanets planets around other stars confirmed by our increasingly powerful telescopes and despite extensive probing of the solar system ours is still the only planet known to host life. Yet earth remains a standout and so far one of a kind. Before the scientific search for and study of extrasolar planets the possibility was argued through philosophy and science fiction the mediocrity principle suggests that planets like earth should be common in the universe while the rare earth hypothesis suggests that they are extremely rare. Earth the only planet in our solar system with liquid water on the surface.

Other solar systems could cram in as many as seven earth like planets. Nasa just found a solar system with 7 earth like planets. Planet facts interesting planet facts mercury the smallest and fastest planet it zips around the sun in only 88 earth days. Planets would need to be in far closer.

In some ways it s an embarrassment of riches. The hunt to find exoplanets like our own has only just begun. Mars mars was a wet and warm planet billions of years ago. Its 267 day orbit however puts kepler 62f squarely within the habitable zone.

We might want to blame jupiter for the lack of other habitable planets around our own sun. In 1992 the first planets outside our solar system were discovered via a pulsar 2300 light years away that signalled at slightly odd. Koi 456 04 is bigger than earth but still less than twice the size of our own planet. The thousands of exoplanetary star systems discovered so far are profoundly different from our solar.

The energy output from dwarf stars like trappist 1 is much weaker than that of our sun.