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Questions

The Hubble Team answers your questions

Browsing answers to questions already asked

An archive of question/answer pairs of previously asked questions is being maintained. This archive is readily available.

Asking the Hubble team your questions

The opportunity to send Email questions to the men and women of the Hubble team is no longer available. We are grateful to the HST folks for generously volunteering their time to support this service. This section describes some guidelines and procedures for the process.

Tips for asking good questions

Logistics of sending in questions (address and format)

Example - Index

A Kuiper-belt object striking Neptune
About Color Photographs
Absolute Space Reference
Age and Speed of The Universe
Altitude of HST Orbit

Example - Question & Answer

QUESTION:

Could you tell me at what altitude the hst orbits?

ANSWER from Jack Leibee on March 20, 1996:

Currently, the HST is orbiting the earth at an altitude of 320 nautical miles (nm). (I'll leave it to you to convert to regular miles). The orbit is nearly circular, so the highest and lowest points in the orbit differ by less than a thousand feet or so.

Someone asked during the program the effect of solar cycles on HST. The answer is that as the solar activity increases, its effect is to slightly expand the earth's atmosphere. Since the HST is is just on the edge of the atmosphere, this expansion causes the HST

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This page was created by Tobin Snell and Josh Parker, seniors at Palo Alto High School in California.