Our milky way galaxy is a spiral shape that is around 100 000 light years across.
Facts about planets outside our solar system.
Our sun is one of at least 100 billion stars in the milky way a spiral galaxy about 100 000 light years across.
In 1995 51 pegasi b was the first exoplanet to be discovered orbiting a sun like star.
We have one lurking nearby too.
Planet facts interesting planet facts mercury the smallest and fastest planet it zips around the sun in only 88 earth days.
Planets that orbit other stars are referred to as exoplanets.
Without a doubt venus is the deadliest planet in our solar system thanks to its sulfur dioxide rich clouds.
Click on any planet below to find out more about it.
This means there are potentially thousands of planetary systems like our solar system within the galaxy.
Deadly planets do not only exist outside our solar system.
Planets are made up of mostly the same things as stars and moons and with millions upon billions of them we believe it really is mind boggling to try and understand how many planets there are in the universe.
Our sun is only one of about 100 billion stars within the milky way.
Earth the only planet in our solar system with liquid water on the surface.
Venus venus thick atmosphere makes it the hottest planet in our solar system.
Within it there are at least 100 billion stars and on average each star has at least one planet orbiting it.
As of 2019 there have been 4 044 confirmed discoveries of exoplanets.
There are 8 planets in our solar system they are mercury venus earth mars jupiter saturn uranus and neptune.
One confirmed epsilon eridani b another yet unconfirmed epsilon eridani c making it the closest planetary system at just over 10 light years from the solar system.
Up until recently we knew of only 8 planets in our solar system however this is not the case anymore.
Mars mars was a wet and warm planet billions of years ago.
It s actually a system of planets not unlike how we like to call our own solar system.
In recent years and with the advances in technology we are discovering.
10 interesting planets outside our solar system.
Nicknamed methuselah and the genesis planet.
Artist s impression of the planet is above in the image.
Those clouds prevent useful sunlight from reaching the planet s surface and stop deadly carbon dioxide from leaving the atmosphere.
Is a giant gas planet with a size about half of jupiter but the stunning fact about the planet is that despite its size it weighs about the same as only a cork.
Exoplanets also known as extrasolar planets are planets which exist outside our solar system.
Examining planets in our solar system such as jupiter that have miniature solar systems so we can watch how super earths outside of our solar system possibly work.
Hat p 1 is a strange and mysterious planet outside the solar system located 450 light years away and has recently been discovered by the harvard smithsonian center for astrophysics.
Planets in our solar system can be divided into two main groups terrestrial planets and gas giants.
In 1992 two planets orbiting a distant pulsar became the first exoplanets to be detected.
