How are comets and asteroids different?

How are comets and asteroids different?

Asteroids are made up of metals and rocky material, while comets are made up of ice, dust and rocky material. Both asteroids and comets were formed early in the history of the solar system about 4.5 billion years ago. Asteroids formed much closer to the Sun, where it was too warm for ices to remain solid.

Where are Albert Einstein’s eyes kept?

Einstein’s actual eyeballs are in New York City. They were given to Henry Abrams and preserved in a safety deposit box. Abrams was Einstein’s eye doctor. He received the eyeballs from Thomas Harvey, the man who performed the autopsy on Einstein and illegally took the scientist’s brain for himself.

How did The Great War begin?

Britain, France, Ireland and Russia were part of an alliance called the Triple Entente, while Germanyaligned itself with Austria-Hungary – known as the Central Powers. The assassination of Archduke Franz Ferdinand in Sarajevo on 28th June 1914, it triggered a chain of events that resulted in World War 1.

Which country first adopted time zones and when?

On November 2, 1868, the then-British colony of New Zealand officially adopted a standard time to be observed throughout the colony, and was perhaps the first country to do so. It was based on the longitude 172°30′ East of Greenwich, that is 11 hours 30 minutes ahead of GMT.

When was the pledge written?

The Pledge of Allegiance was written in August 1892 by the socialist minister Francis Bellamy (1855-1931). It was originally published in The Youth’s Companion on September 8, 1892. Bellamy had hoped that the pledge would be used by citizens in any country.

What Kind of Plant is a Tumbleweed?

Salsola tragus (currently not valid synonym Kali tragus) is the so-called “Russian thistle”. It is an annual plant that breaks off at the stem base when it dies, and forms a tumbleweed, dispersing its seeds as the wind rolls it along.

What president served three consecutive terms?

On this day in 1944, President Franklin Delano Roosevelt is elected to an unprecedented fourth term in office. FDR remains the only president to have served more than two terms.

Why do you have to say bless you when someone sneezes?

Some people believed that a sneeze causes the soul to escape the body through the nose. Saying “bless you” would stop the devil from claiming the person’s freed soul. Others believed the opposite: that evil spirits use the sneeze as an opportunity to enter a person’s body.