Lunar Eclipse

In a lunar eclipse, the sun, the earth, and the moon all play a role. Lunar eclipse happens when the Earth passes between the...

Messier 6, M-6 Butterfly Cluster

M6 Constellation - Butterfly Cluster  The next two objects in the catalog of Messier are not globular clusters, but open clusters. Open star clusters are generally...

Why do stars look like small crosses on photographs?

Stars should look like little dots on a star photograph, but often appear as a small luminous cross with four brilliant arms perpendicular to...
neutron star

What is a neutron star?

Neutron Star Definition A neutron star is an incredibly compact star, which is only 10-30 km. in diameter, but weighs 1.4 - 2.3 times as much...

Is outer space a perfect vacuum?

Outer space (also called just space) is all the space in the universe beyond Earth and its atmosphere. It can be simple stated that...
facts about dwarf planets

Dwarf Planets

Dwarf Planet Definition Dwarf planets are defined as celestial bodies that: Orbit around the sun. Have enough mass to have a (almost) round shape. Have...
earth facts

Facts About Earth

Interesting facts about earth Bowling ball: The earth has a more smooth surface than a bowling ball. (if you scale it to the same size) ...

The Star Vega (alpha Lyrae)

Information About Star Vega The Star Vega; named after Arcturus, is the second brightest star in the northern sky. Around midnight it can be seen with...

Lagoon Nebula Facts

M8 - the Lagoon Nebula The Lagoon Nebula is on Messier's list along with several other objects. It is a huge gas cloud in which large...

M5 – Globular cluster

M5 - Globular cluster in the Snake Globular cluster M5 is the last in this series of globular clusters at the beginning of Messier's list is...