Alpha Centauri is a brighter and a more shining star compared to Proxima Centauri. Alpha Centauri is about 3.35 light years away from Earth. Proxima Centauri is about 4.3 light years away from Earth. Which sentence best explains why Alpha Centauri appears brighter in the picture than the Proxima Centauri?

• Proxima Centauri has more explosive activity which gives off more light.

• Proxima Centauri is farther out in space which makes it appear less bright.

• Other stars light up the sky which makes Proxima Centauri seem brighter.

• Proxima Centauri is made of different types of gases which go through chemical reactions.

When looking at all of the stars in the table, which statement explains why the sun appears the largest and brightest to us on Earth?

• The sun is yellow.

• The sun is smallest in size.

• The sun is the closest star.

• The sun is hotter than other stars.

Tags

NGSS.MS-ESS1-1

Three of these statements describe possible outcomes of this demonstration. Which of the following is not a possible result?

• The two balls may look the same size.

• The larger ball will look smaller than it did at first.

• The smaller ball will look even smaller than it did at first.

• The smaller ball may look bigger than the larger ball.

The sun looks bigger and brighter because it is much closer to Earth than other stars.

• True

• False

In the nighttime the sun is visible in the sky but other stars are not.

• True

• False

Tags

NGSS.MS-ESS1-1

Different stars are visible in the sky at different times.

• True

• False

The sun is the only star in our solar system.

• True

• False

Other stars are far inside our solar system.

• True

• False

True or False:  The sun is the only star we can see in the daytime because the sun looks so bright.

• true

• false

Which claim best supports why the sun appears larger and brighter than other stars?

• A. The atmosphere of Earth is thinner during the day making the sun appear bigger and brighter in the sky.

• B. The earth is closest to the sun during the day which makes the sun appear bigger and brighter than it actually is.

• C. The sun is much closer to the earth compared to other stars which makes the sun appear bigger and brighter in the sky.

• D. The sun undergoes strong chemical reactions that release a lot of light which makes the sun appear larger and brighter in the sky.