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Astronomy Facts & Trivia - Page 2

If a pinhead-size piece of the Sun were placed on Earth, one would have to stand as far as 145 kilometers (90 miles) away to be safe. Sciensational.comSubmitted by: Sruthi R - Coimbatore, India

diamond star lucyThe star "Lucy" in constellation Centaurus is actually a huge cosmic diamond of 10 billion trillion trillion carats. Sciensational.comSubmitted by: Sruthi R - Coimbatore, India

neutron starA neutron star has such density that a teaspoonful of its matter would weigh more than all the people on Earth. Sciensational.comSubmitted by: Sruthi R - Coimbatore, India

mercury ice cratersEven though it is closest to the Sun, Mercury has ice in its craters. Sciensational.comSubmitted by: Jeuel

pluto charon ratioDue to its size, Pluto's moon Charon is also considered to be a double dwarf planet (two planets orbiting each other), rather than a moon orbiting its planet. Submitted by: Jeuel

planet jupiterJupiter is so big that twice the mass of the rest of our Solar System's planets combined would still not be enough to equal its mass. Sciensational.com

saturn ringsMade up of billions of pieces of ice, the average thickness of each of Saturn's seven giant rings only ranges from about 200 to 3000 meters.

Hellas on MarsThe deepest surface point on Mars is Hellas, about 3 km deep. Sciensational.com

dwarf planet plutoPluto is no longer considered a planet. It is now known as a "Dwarf Planet". Submitted by: Saphira - Lancaster, Ohio, United States

The full moon always rises at sunset and sets at sunrise. Sciensational.com

sun, jupiter and earth size comparisonAbout 1000 Earths would fit inside Jupiter - and the Sun could hold about 1000 Jupiters. Sciensational.com

voyager 1Voyager 1 spacecraft is the farthest human-made object in the universe. Sciensational.comSubmitted by: Hyde

planet saturnThe planet Saturn has a density lower than water. So, if placed in water it would float. Submitted by: Am, Singapore

The speed of light - 299 million meters a second - would still take about 26 billion years to reach one end of the visible universe to the other. Sciensational.comSubmitted by: Nik, India

planet uranusOn Uranus, each pole gets around 42 years of continuous sunlight, followed by 42 years of darkness. Sciensational.comSubmitted by: Nicci - Jacksonville, North Carolina, United States

The sky is blue because when sunlight collides with our atmosphere, colours of the shortest wavelengths (violet and blue) are scattered - and our eyes are more sensitive to see blue. Submitted by: K - New York, United States

One of Jupiter's moons is believed to grow and shrink because of the water beneath its frozen surface. Sciensational.comSubmitted by: Jay - United States

red dwarf starA dwarf star is so dense that it would take 8 men to lift a teaspoon full of its matter. Submitted by: Hades - Milledgeville, Georgia, United States

The number of neuron cells in our brain is more than the total number of stars in our galaxy. Sciensational.comSubmitted by: sidd

The planet Venus has the longest day. Sciensational.com