A rock found on Earth that crashed down from space is called ________.
A) an impact B) an asteroid C) a meteor D) a meteorite
Question 2
How would you expect a star that formed recently in the disk of the galaxy to differ from one that formed early in the history of the disk?
A) It should have a higher fraction of elements heavier than hydrogen and helium.
B) It should be much brighter.
C) It should be higher in mass.
D) It should orbit the galactic center at a much higher rate of speed.
E) All of the above would be expected.
Three of the color variants found at Fossil Rim Wildlife Center in Texas
Because of the hazards of a vacuum, astronauts must wear a pressurized space suit while outside thei
Geoffroy's tamarin (Saguinus geoffroyi), also known as the Panamanian, red-crested or rufous-na
Tummy rock to release energy blocks in the torso and head.
The Last Man on Earth
International space station