The group examined how much atmosphere was retained and lost following impacts with giant, Mars-sized and larger bodies and with smaller impactors measuring 25 kilometers or less — space rocks equivalent to those whizzing around the asteroid belt today.
It measures 32 kilometers (20 mi) long from its northwestern to its southeastern end and 10 kilometers (6 mi) across at its widest point.
The first sentence is: "The Americans who fell in Normandy in 1944 were tall men measuring 173 centimeters on average, and if they were laid head to foot they would measure 38 kilometers".
The island measures 31 kilometers (19 mi) by 29 kilometers (18 mi).
Measuring 31 kilometers wide, the crater has been found beneath Hiawatha Glacier in northwest Greenland and is thought to have been caused by a kilometer-wide iron meteorite that struck Earth between three million and 12,000 years ago before the area was covered in ice.
Santiago - Measuring 75 kilometers (47 mi) by 35 kilometers (22 mi), Santiago (or Sao Tiago) is Cape Verde's largest island and is usually considered to have its finest scenery, with sandy bays and a rugged, mountainous interior.
The researchers integrated U.S. and Canadian epidemiological data with the adjoint, or reverse, of an air quality model based on a grid of cells measuring 36 square kilometers.
Earth's day and night cycle is explained by positing that the sun and moon are spheres measuring 32 miles (51 kilometers) that move in circles 3,000 miles (4,828 km) above the plane of the Earth.
To estimate the true global burden of disease, researcher Direk Limmathurotsakul from the Mahidol Oxford Tropical Medicine Research Unit in Bangkok used a model that cuts the globe's land mass into 8 million squares measuring 5 by 5 kilometers.
The Arecibo radar observations by Harmon and his team are best explained by a contact binary, with the individual components measuring 5.6 and 4.4 kilometers across.
She is learning how far beneath the waves seawater travels not in a continuous current but in packets of denser water measuring 30 to 40 kilometers across, moving through in two-to-three-day cycles.
