Hari’s Astronomy Blog

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Entries for May, 2008

Mars picture gallery

Named for the Roman god of War, Mars probably got this name due to its red color. It is sometimes referred to as the Red Planet. The name of the month March derives from Mars. Known since prehistoric times, Mars is still a favorite of choice for human exploration. The density of Mars is about [...]

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Top 12 Astronomy guide

Find astronomy and space education resources including lesson plans; live, online, and email courses; and science fair resources. Discover great information about space and astronomy education resources and opportunities.

Free Astronomy and Space Lesson Plans
Top NASA Education sites.
Science Fair Resources
Help to get through those scary days at school.
Backyard Science Experiments
Try this at home.
Free Email Courses
Education in [...]

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Challenger Disaster

It was a NASA tragedy. NASA’s Shuttle program was begun in the 1970s, to create reusable craft for transporting cargo into space. Previous space craft could only be used once, then were discarded. The first shuttle, Columbia was launched in 1981. One year later, the Challenger rolled off the assembly line as the second shuttle [...]

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Black Hole facts

Black holes emit x-ray radiation and get smaller and smaller until they disappear, or “evaporate”.
* Most black holes are formed from the death of large stars (larger than the sun) that run out of fuel and cannot sustain its nuclear reaction. The star loses the force pushing itself outward and is overcome by the force [...]

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Biggest Space explosion ever

Biggest Space Explosion Creates Giant Bubbles

The largest explosion ever seen in space reveals black holes to be more influential than expected, perhaps sometimes stifling star formation in a galaxy while gobbling up trillions upon trillions of tons of gas.
The eruption has been ongoing for some 100 million years, [...]

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About Yuri Gagarin

Yuri Gagarin was born near Moscow, Russia on March 9, 1934. He died on March 27, 1968. Yuri joined the Soviet Air Force in 1955. By 1959, he was training to become a cosmonaut.
On April 12, 1961 Yuri Gagarin became the first human to orbit Earth! The name of his spacecraft was Vostok 1. Vostok [...]

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Laika- The dog to enter space.

aika, the first animal ever sent to space, rode to orbit in Sputnik II on the 3rd of November, 1957. Several countries issued stamps honoring Laika. The mock-up of her pressurized space cabin is shown below.

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Earth is going to destroyed?

Time is ticking away. If we should believe the Mayan calendar, we only have four years until [...]

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New threat to earth

Although scientists have basically cleared us from any danger from asteroid 2002 NT7, which originally had been reported as an impact hazard for the year 2019, a newer space rock has been spotted, which may pose a threat even sooner.At around 1.2 km in width, 2003 QQ47 is substantially smaller than 2002 NT7 (2km), but [...]

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