This is an picture of the Lunar Prospector spacecraft, which was used to
determine the size of the Moon's core.
Click on image for full size
Image courtesy of NASA
Earth's Moon--A Chip Off The Old Block?
News story originally written on March 19, 1999
Scientists used the Lunar
spacecraft to find out that the Moon
has a small core. The Moon's core
is a lot smaller than
the Earths' core
This helps scientists prove that the Moon formed
from the Earth.
Shop Windows to the Universe Science Store!
Our online store
includes fun classroom activities
for you and your students. Issues of NESTA's quarterly journal, The Earth Scientist
are also full of classroom activities on different topics in Earth and space science!
You might also be interested in:
The building of NASA's Lunar Prospector has ended. This spacecraft will travel to the Moon in September 1997. It will map out the Moon's surface and will find out what the Moon is made of. It will also...more
You may wonder how it is that scientists know what the inside of a planet is like. The way the mass of a body is spread inside the body affects how the body spins in space. If the body has a large core,...more
It was another exciting and frustrating year for the space science program. It seemed that every step forward led to one backwards. Either way, NASA led the way to a great century of discovery. Unfortunately,...more
The Space Shuttle Discovery lifted off from Kennedy Space Center on October 29th at 2:19 p.m. EST. The sky was clear and the weather was great. This was the America's 123rd manned space mission. A huge...more
Scientists found a satellite orbiting the asteroid, Eugenia. This is the second one ever! A special telescope allows scientists to look through Earth's atmosphere. The first satellite found was Dactyl....more
The United States wants Russia to put the service module in orbit! The module is part of the International Space Station. It was supposed to be in space over 2 years ago. Russia just sent supplies to the...more
A coronal mass ejection (CME) happened on the Sun last month. The material that was thrown out from this explosion passed the ACE spacecraft. ACE measured some exciting things as the CME material passed...more