Welcome to the archive of Questions & Answers previously featured in the StarChild "Question of the Month" section.
How do I become an astronaut? [September 1998]
How do I contact an astronaut? [October 1998]
What are the phases of the Moon? [November 1998]
Is there a Planet X or 10th planet? [December 1998]
Is Pluto or Neptune the farthest from the Sun? [January 1999]
What is an eclipse? [February 1999]
How can I buy a star? [March 1999]
Can you tell me about Space Camp? [April 1999]
What are constellations? [May 1999]
Can you tell me about the other solar systems being discovered? [June 1999]
Will an asteroid hit the Earth? [July 1999]
What causes a "falling star"? [August 1999]
What makes the Sun shine? [September 1999]
Why does the Sun rise in the east and set in the
west? [October 1999]
Can you see other galaxies without a telescope?
[November 1999]
When were each of the planets first discovered
and who did it? [December 1999]
What is the solar cycle? [January 2000]
Does the Sun move around the Milky Way?
[February 2000]
What is a light-year and how is it used?
[March 2000]
What is meant by "false color"? [April 2000]
What is the biggest star we know? [May 2000]
What is space trash? [June 2000]
Why does the United States spend so much money on
satellites? [July 2000]
How do we search for alien life in the universe?
[August 2000]
What is meant by the "life zone" or the "green
zone"? [September 2000]
Why do stars twinkle? [October 2000]
How can we fly through the tail of a comet?
[November 2000]
How old is the universe?
[December 2000]
Are all stars in a galaxy?
[January 2001]
What is gravity?
[February 2001]
Why is there day and night? [March 2001]
What is the orbital period of the Moon?
[April 2001]
What is so important about volcanoes on Io?
[May 2001]
Not a question...just something to think about
[June 2001]
What shape is the universe?
[July 2001]
If there is no oxygen in space, how does the Sun "burn"? [August 2001]
Did Galileo invent the telescope? [September 2001]
Where did the Moon come from? [October 2001]
How do we measure the distances to things in space?
[November 2001]
Where do comets come from?
[December 2001]
Do stars last forever?
[January 2002]
Why did Herschel name his planet Uranus?
[February 2002]
Why is the crescent Moon sometimes lit on the bottom?
[March 2002]
How long does it take to fly to Saturn?
[April 2002]
Who discovered the first pulsar?
[May 2002]
What does it mean for Mercury to be in retrograde?
[June 2002]
Can you tell me about gamma-ray bursts?
[July 2002]
How do planets and their moons get their names?
[August 2002]
What was the first living thing to go into space
and return alive?[September 2002]
Have they found a new planet in our solar system?[October 2002]
How many moons does Jupiter have?
[November 2002]
Why is space black?
[December 2002]
When is Earth closest to the Sun?
[January 2003]
Who figured out the Earth is round?
[February 2003]
When did the first stars form in the universe?
[March 2003]
What causes fireballs in the sky?
[April 2003]
Is my body really made out of star stuff?
[May 2003]
If you are on the Moon, does the Earth move in
the sky? [June 2003]
How do we know that dark matter exists?
[July 2003]
What is happening with Mars this month?
[August 2003]
Why are they crashing the Galileo satellite?
[September 2003]
What is a brown dwarf?
[October 2003]
Can Flat Stanley visit StarChild?
[November 2003]
The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), within the Astrophysics Science Division (ASD) at NASA/ GSFC.
StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A.
Whitlock
Curator:
Responsible NASA Official: