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Nasa ds guide 508 complete. Naturfag tema astronomi. 400 years since Galileo v3. Observasjonsguide Galileoskop. Astronomi.no. 546148main ESS8 ScaleModelsOfTheSolarSystem C3 Final. Solar System scale. Solar pizza. To Scale: The Solar System. If the Moon Were Only 1 Pixel - A tediously accurate map of the solar system. Mercury Venus Earth You Are Here Moon Mars Jupiter Io Europa Ganymede Callisto Saturn Titan Uranus Neptune.

If the Moon Were Only 1 Pixel - A tediously accurate map of the solar system

Sun Could Unleash Devastating 'Superflare' The sun is capable of firing off an incredibly powerful superflare that could wreak havoc on Earth's technology-dependent society, a new study suggests.

Sun Could Unleash Devastating 'Superflare'

The same basic processes drive the "normal" flares of high-energy radiation emitted by the sun and superflares blasted out by faraway stars, which can be thousands of times more powerful, researchers found. Solen vår / Solsystemet / Rom for barn / Lær om rommet / Hjem - Norsk Romsenter. Den store, runde, gule solen vår er egentlig en stjerne, og alle stjernene vi kan se på himmelen om natten er forskjellige variasjoner av en sol som vår.

Solen vår / Solsystemet / Rom for barn / Lær om rommet / Hjem - Norsk Romsenter

De andre stjernene vi ser på nattehimmelen er også mange milliarder kilometer borte. På nært hold ser de nokså like ut som vår egen sol. Why does the sun look reddish at sunset? Imagine standing on a beach, a mountaintop or any open area, watching a beautiful sunset.

Why does the sun look reddish at sunset?

As the sun sets, it appears redder and redder as it gets closer to the horizon. Sometimes you can see a gradation of color a across the surface of the sun. Why does this happen? If you saw a sunset on the moon, our local star, the sun, would look white. De Ni Planetene. When were each of the planets first discovered and who did it? StarChild Question of the Month for December 1999 Question: When were each of the planets first discovered and who did it?

When were each of the planets first discovered and who did it?

Answer: What's a Planet? There's a Test (and Pluto Flunked it) Nine years ago, the International Astronomical Union established new criteria for determining what classifies as a “planet,” a controversial move that officially (but not in spirit) stripped Pluto’s status as the solar system’s ninth planet.

What's a Planet? There's a Test (and Pluto Flunked it)

Left undecided was what to do about all the so-called planets being discovered outside the solar system, a number that now approaches 5,000. PHOTOS: New Pluto Pics Show Beautiful, Complex World On Tuesday, astronomer Jean-Luc Margot, with the University of California Los Angeles, unveiled what he describes as a simple “planet test.” The round worlds of the solar system. Learn more. Japan at Venus: Photos from the Akatsuki Spacecraft's Mission. Earth’s Second Moon is About to Leave Us. In addition to the Moon, the Earth also has a collection of co-orbital satellites.

Earth’s Second Moon is About to Leave Us

These are really nothing more than asteroids briefly captured by the Earth’s gravity. Instead of orbiting the Earth, they take corkscrew paths around our planet, eventually escaping back into the Solar System. One asteroid, 2003 YN107, has been traveling with us since 1999, and now it’s about to depart, building up enough speed to escape the Earth’s gravity. News flash: Earth has a “second moon.”

Asteroid 2003 YN107 is looping around our planet once a year. This news, believe it or not, is seven years old. “2003 YN107 arrived in 1999,” says Paul Chodas of NASA’s Near Earth Object Program at JPL, “and it’s been corkscrewing around Earth ever since.” Most near-Earth asteroids, when they approach Earth, simply fly by. “We believe 2003 YN107 is one of a whole population of near-Earth asteroids that don’t just fly by Earth.

Falling Phobos Will Eventually Put A Ring Around Mars. Saturn’s Moon Tethys. Saturn’s moon Tethys, imaged by Cassini on April 14, 2012.

Saturn’s Moon Tethys

Credit: NASA/JPL/SSI Thanks the Voyager missions and the more recent flybys conducted by the Cassini space probe, Saturn’s system of moons have become a major source of interest for scientists and astronomers. From water ice and interior oceans, to some interesting surface features caused by impact craters and geological forces, Saturn’s moons have proven to be a treasure trove of discoveries.

This is particularly true of Saturn’s moon Tethys, also known as a “Death Star Moon” (because of the massive crater that marks its surface). Planet Neptune: Facts About Its Orbit, Moons & Rings. Neptune is the eighth planet from the sun.

Planet Neptune: Facts About Its Orbit, Moons & Rings

It was the first planet to get its existence predicted by mathematical calculations before it was actually seen through a telescope on Sept. 23, 1846. Irregularities in the orbit of Uranus led French astronomer Alexis Bouvard to suggest that the gravitational pull from another celestial body might be responsible. German astronomer Johann Galle then relied on subsequent calculations to help spot Neptune via telescope.

Much ado about Pluto. Space Science News home Recent discoveries of Pluto-like objects in the outer solar system have sparked debate about the nature of the tiniest "planet"

Much ado about Pluto

New Pluto images show icy, mountainous landscapes close up. Scientists with the New Horizons mission to Pluto released a new batch of images Thursday they called both "stunning" and "a scientific bonanza. " One of the most defining characteristics of the dwarf planet's surface revealed in early images from the fly-by mission was its "heart," a heart-shaped formation that became known as Sputnik Planum. So far, images have mostly shown the region in two-dimensions, as seen from above. But the new images show the edge of the plain in relief, where it meets massive mountains on its southwest edge.

Eris. 10th Planet Discovered. Infographic: What’s the Difference Between a Comet, Asteroid and Meteor? ‘Name That Space Rock’ — describes the difference between all those flying rocks from space. Credit and copyright: Tim Lillis. Used by permission. With all the various space rocks flying by and into Earth last Friday, perhaps you’ve been wondering about the correct terminology, since a rock from space has different names depending on what it is made of and where it is. Infographics artist Tim Lillis has put together a primer of sorts, in the form of an infographic, describing the different between a comet, asteroid, meteoroid, meteor and meteorite.Asteroids are generally larger chunks of rock that come from the asteroid belt located between the orbits of Mars and Jupiter. Sometimes their orbits get perturbed or altered and some asteroids end up coming closer to the Sun, and therefore closer to Earth.

Space debris smaller than an asteroid are called meteoroids. Hva er forskjellen på meteor, meteoritt, komet og asteroide? - hvafor.no. Solsystemets skitne snøballer. Update: 2015 TB145 likely a dead comet. This image of asteroid 2015 TB145, a dead comet, was generated using radar data collected by the National Science Foundation’s 1,000-foot (305-meter) Arecibo Observatory in Puerto Rico.

The radar image was taken on Oct. 30, 2015, and the image resolution is 25 feet (7.5 meters) per pixel. Image via NAIC-Arecibo/NSF. UPDATE OCTOBER 31, 2015 The large space object that is zipping past Earth this Halloween is most likely a dead comet that, fittingly, bears an eerie resemblance to a skull.

Scientists observing asteroid 2015 TB145 with NASA’s Infrared Telescope Facility (IRTF) on Mauna Kea, Hawaii, have determined that the celestial object is more than likely a dead comet that has shed its volatiles after numerous passes around the sun. The newly found object – first thought to be an asteroid and given the asteroid name 2015 TB145 – is safely passing Earth on October 31, 2015, according to clocks in North America.

Asteroid buzzed Earth this weekend, hours after discovery. Artist’s concept of asteroids passing Earth. They come in all sizes. 2015 VY105, which passed on November 14-15, was just a little one. Via ESA/P.Carril. A small space rock discovered yesterday (November 14) passed very close to Earth just hours after first being detected. Asteroid 2015 VY105 was moving at a speed of more than 39,000 miles per hour (62,000 km/h) when it passed over the Pacific Ocean on November 15, 2015 at 02:47 UTC (4:47 p.m. CST on November 14). Månefaser. Modelling the Phases of the Moon. DaytimeMoon2. Lunar phases worksheet. Lunar phases worksheet ans. SunErthB.