Astronomy Facts & Trivia - Page 4
The star Alpha Herculis is so big that 25 of our entire Solar System would have to be placed end to end to equal the star's diameter. Sciensational.com
The star Sirius B is so dense, a handful of it weighs about 454,000 kgs (1 million pounds.) Sciensational.com
The Sun contains over 99.8 percent of the total material (mass) in our Solar System, while Jupiter contains most of the rest. Sciensational.com
The Sun is 330,330 times larger than Earth. Sciensational.com
The Sun is about 149 million kms (93 million miles) from Earth, yet it's 270,000 times closer than the next nearest star, which is 4.3 light years away. Submitted by: damandude - Missouri, United States
A neutron star is the strongest magnet in the universe. Sciensational.com
A new star is born in our galaxy every 18 days.
If a pulsar's (small star made up of densely packed neutrons) piece the size of a small coin landed on Earth, it would weigh approximately 100 million tons. Sciensational.com
A day on Mercury, from sunrise to sunset, lasts about six Earth months.
A space vehicle must move at a rate of at least 27.35km (17 miles) per second to escape Earth's gravity. Sciensational.com
The Sun loses 360 million tonnes of material each day. Sciensational.com
The Earth-Moon size ratio is the largest in our Solar System, excepting Pluto-Charon. Sciensational.com
The Sun travels at a speed of 250km (155 miles) per second, but it still takes 230 million years for it to complete a single revolution of the galaxy.
Olympus Mons on Mars is the largest volcano in our Solar System, almost three times taller than Mount Everest on Earth. Sciensational.com
Jupiter's core is non-metal, but due to the immense pressure inside Jupiter, the core has become a metal. This metal is liquid metallic hydrogen. Sciensational.com
The cosmos contains approximately 50,000,000,000 galaxies.
Sound travels about 4 times faster in water than in air. Sciensational.com
A large sunspot can last for about a week.
The Earth orbits the sun at an average speed of 107,220 kms per hour. Sciensational.com
There is a high and low tide because of our moon and the Sun. Sciensational.com