Monkey Head Nebula, NGC 2174
This is a star-forming nebula with an associated open cluster of stars. The nebula is mostly composed of hydrogen gas, which is ionized by ultraviolet radiation emitted by the hot stars.
Found in the constellation Orion, in the Northern Hemisphere
|Distance from Earth||
About 6,400 light-years away
The nebula is about 50 light-years across.
"Fast Facts: Monkey Head Nebula" is a table that lists the name, description, location, size, and distance of the nebula from Earth. A picture of the nebula is included.
Use this resource as:
A source of information. Read the table to find out about this object.
A mapping activity. Locate the nebula's associated constellation on a star map.
A large-number recognition activity. Have students look at several Fast Fact tables, including this one. Ask them to place the objects described in the Fast Fact tables in order, starting with the object closest to Earth and ending with the one farthest away.
An inquiry tool. Have students write down questions they would like answered about the image and the information in the Fast Facts table.
An engagement tool. Involve students in a discussion.
HubbleSite press release: "Hubble Celebrates Its 24th Anniversary with an Infrared Look at a Nearby Star Factory"
Amazing space resources by topic: Stars and Stellar Evolution