Now: The solar system is a much calmer place now, though occasional asteroid impacts still threaten Earth. Three quarters of life, including the dinosaurs, go extinct. These are by no means all events, but only the notable or rare ones. Saturn gets its rings.Ħ6 million years ago:Ě giant asteroid impacts Earth, triggering global climate change. A list of future observable astronomical events. Someīombard the inner planets and likely deliver water and organics toĤ to 3 billion years ago: Small world bombardment causes widespread volcanism on the inner planets.ģ.8 to 3.5 billion years ago: Life begins on Earth.ģ billion years ago: Mars loses most of its atmosphere and water.Ģ.5 billion years ago: Photosynthetic organismsĮvolve on Earth and pump oxygen into our atmosphere, helping create theġ billion years ago: Volcanism on the Moon stops.ġ00 million years ago:Ěn impact on the Moon forms Tycho crater. Orbits shift, scattering small worlds throughout the solar system. Its impact on July 15, 2000, sparked an extreme (Kp9). A Mars-sized planet collides with Earth, and the debris forms the Moon.Ĥ.5 to 4.1 billion years ago: The Sun gravitationally separates from its protostar siblings.Ĥ.1 to 3.8 billion years ago: The giant planets' We welcome all types of events both large and small and our team of experienced professionals is ready to assist you in planning all of the details to make. It was quite an energetic event-one of the strongest of the past 20 years. One or more ice giants may have also formed that were later ejected from the solar system.Ĥ.55 billion years ago: Let there be light: The Sun begins fusing hydrogen into helium.Ĥ.5 billion years ago: Mercury, Venus, Earth, and Mars form. At least UranusĪnd Neptune form closer to the Sun than where they are today. Saturn, Uranus, and Neptune form around the protosun. (Image credit: Starry Night Software) In the western sky after dusk on Monday evening, July 10, the reddish dot of Mars. This year, NASAs sun-kissing spacecraft swam within a structure thats only visible during total solar eclipses and was able to measure exactly where the stars 'point of no return' is located. To learn more, read our Solar System History 101 article.ġ3.8 billion years ago: The Big Bang forms the universe.Ĥ.6 billion years ago: A group of protostars, one of which will become the Sun, form from a cloud of debris left by prior star explosions in the Milky Way.Ĥ.59 billion years ago: The giant planets Jupiter, Monday, July 10: Mars meets Regulus (after dusk) Mars and Regulus, July 10. As ESAs Gaia mission ushers in a new era of space-based astrometry.
The below timeline shows some key events that led to our existence on Earth, from the creation of the universe to present day. People began measuring the positions of the stars thousands of years ago and the. Where did we come from? How did the planets, asteroids, comets, and small worlds in our solar system come to be? When did it all happen? These are some of the core questions that drive us to explore other worlds.
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