How old is out sun - nwg

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It is the center of our solar system. The Sun is a hot ball of glowing gases. It keeps our planet warm enough for living things to grow. It gives us light so we can see. Overview Our Sun is a 4. The Latest. Studying the Edge of the Sun's Magnetic Bubble. Nothing could live on the Sun, but its energy is vital for most life on Earth.

Kid-Friendly Sun The Sun is a star. The solar system is encased in a bubble called the heliosphere, which separates us from the vast galaxy beyond. Full Moon Guide: October - November Full Moon Guide: September - October Models and lab tests suggest the asteroid could be venting sodium vapor as it orbits close to the Sun, explaining its increase in brightness.

The images show Venus approaching from the left while the Sun is off-camera to the upper right. New research led by NASA provides a closer look at a nearby star thought to resemble our Sun when it was much younger. Karen realizes, however, that this is nearly impossible to achieve, and recommends several measures in keeping them safe while in the sun.

Sun protective clothing is your first and foremost protection for babies in the sun. But it's important to remember that babies can't thermoregulate the way that adults do, so you need to limit their sun exposure between the hours of 10 a.

According to Bernard A. Cohen, author of Pediatric Dermatology , babies skin is less pigmented , and therefore more susceptible to sunburn. Don't count the sun out outside of those important hours, though. Next up is the chromosphere, which is hotter, up to 35, F 19, C , and is apparently made up entirely of spiky structures known as spicules typically some miles 1, km across and up to 6, miles 10, km high.

After that is the transition region a few hundred to a few thousand miles thick, which is heated by the corona above it and sheds most of its light as ultraviolet rays. At the top is the super-hot corona, which is made of structures such as loops and streams of ionized gas. The corona generally ranges from , F , C to Matter from the corona is blown off as the solar wind.

The sun's magnetic field is typically only about twice as strong as Earth's magnetic field. However, it becomes highly concentrated in small areas, reaching up to 3, times stronger than usual.

These kinks and twists in the magnetic field develop because the sun spins more rapidly at the equator than at higher latitudes and because the inner parts of the sun rotate more quickly than the surface. Related: Huge magnetic 'ropes' drive powerful sun explosions. These distortions create features ranging from sunspots to spectacular eruptions known as flares and coronal mass ejections. Flares are the most violent eruptions in the solar system, while coronal mass ejections are less violent but involve extraordinary amounts of matter — a single ejection can spout roughly 20 billion tons 18 billion metric tons of matter into space.

Just like most other stars, the sun is made up mostly of hydrogen, followed by helium. Nearly all the remaining matter consists of seven other elements — oxygen, carbon, neon, nitrogen, magnesium, iron and silicon.

For every 1 million atoms of hydrogen in the sun, there are 98, of helium, of oxygen, of carbon, of neon, of nitrogen, 40 of magnesium, 35 of iron and 35 of silicon. Related: What is the sun made of? Sunspots are relatively cool, dark features on the sun's surface that are often roughly circular. They emerge where dense bundles of magnetic field lines from the sun's interior break through the surface. The number of sunspots varies as solar magnetic activity does — the change in this number, from a minimum of none to a maximum of roughly sunspots or clusters of sunspots and then back to a minimum, is known as the solar cycle , and averages about 11 years long.

It still has about 5,,,—five billion—years to go. When those five billion years are up, the Sun will become a red giant. That means the Sun will get bigger and cooler at the same time. When that happens, it will be different than the Sun we know today.

As a red giant, our Sun will become about 2, times brighter than it is now! How Old Is the Sun?