Neptune Facts: Wind speeds on Neptune can reach 450 meters per second. Neptune was discovered because its gravitational field was affecting the orbit of Uranus. Neptune is sometimes the ninth planet from the Sun. How big is this planet ?
Sun Facts The Sun is the star at the centre of our solar system. It is an almost perfect sphere of super-hot gases whose gravity holds the solar system together. The energy produced by the Sun is essential for life on Earth and is a driving force behind the Earth’s weather. Facts ab...
Mercury image: NASA/JHUAPL Venus image: NASA/JPL-Caltech Earth image: NASA/Apollo 17 crew Mars image: ESA/MPS/UPD/LAM/IAA/RSSD/INTA/UPM/DASP/IDA The Solar System The solar system encompasses planets, moons, asteroids, comets, and dwarf planets, that orbit around the Sun at its center. ...
Captured with MESSENGER’s Wide Angle Camera as the spacecraft receded after making its closest approach January 2008 |NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Mercury Facts: Distance from the sun: 36 million miles (58 million km) Length of 1 Day: 59 Earth days Length o...
Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
NASA explains, The solar wind is created by the outward expansion of plasma (a collection of charged particles) from the Sun. This plasma is continually heated to the point that the Sun’s gravity can’t hold it down. It then travels along the Sun’s magnetic field lines that extend radi...
getting an understanding of where the Earth is in relation to the Sun and moon and planets is just, well, sort of nice to know. If you've ever sat outside at night and got into an discussion about whether that bright star is actually a planet, and if it is - "Which planet is it...
The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.
Facts about the Earth 1)Earth is thethird planet from the sunin oursolar system. Its name comes from the the old English and Germanic words meaning ‘the ground’. 2)Our amazing planet has been around for quite some time. By researching our planet’s rocks, scientists have calculated the...
Likewise, the Earth has 7 percent less oxygen-16 relative to its other isotopes, than does the Sun. NASA reports that "that Earth, the moon, as well as... meteorites... have a lower concentration of the O-16 than does the sun... The implication is that we did not form out of ...