Hubble Space Telescope and Stars

Description: Test your knowledge on the Hubble Space Telescope and its observations of stars.
Number of Questions: 15
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Tags: astronomy the hubble space telescope stars
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What is the primary purpose of the Hubble Space Telescope?

  1. To study the Earth's atmosphere

  2. To observe distant galaxies and cosmic objects

  3. To monitor weather patterns

  4. To communicate with satellites


Correct Option: B
Explanation:

The Hubble Space Telescope is designed to observe distant galaxies, stars, and other celestial objects in great detail.

When was the Hubble Space Telescope launched?

  1. 1990

  2. 1995

  3. 2000

  4. 2010


Correct Option: A
Explanation:

The Hubble Space Telescope was launched on April 24, 1990, aboard the Space Shuttle Discovery.

What is the Hubble Space Telescope's approximate orbit around Earth?

  1. Geosynchronous orbit

  2. Low Earth orbit

  3. Medium Earth orbit

  4. High Earth orbit


Correct Option: B
Explanation:

The Hubble Space Telescope orbits Earth at an altitude of approximately 547 kilometers (340 miles), which is considered a low Earth orbit.

What type of telescope is the Hubble Space Telescope?

  1. Refracting telescope

  2. Reflecting telescope

  3. Catadioptric telescope

  4. Radio telescope


Correct Option: B
Explanation:

The Hubble Space Telescope is a reflecting telescope, which means it uses mirrors to focus light.

What is the primary mirror of the Hubble Space Telescope made of?

  1. Glass

  2. Gold

  3. Silver

  4. Beryllium


Correct Option: D
Explanation:

The primary mirror of the Hubble Space Telescope is made of beryllium, which is a lightweight and stiff metal.

What is the diameter of the Hubble Space Telescope's primary mirror?

  1. 2.4 meters (7.9 feet)

  2. 4.2 meters (13.8 feet)

  3. 6.5 meters (21.3 feet)

  4. 8.3 meters (27.2 feet)


Correct Option: A
Explanation:

The primary mirror of the Hubble Space Telescope has a diameter of 2.4 meters (7.9 feet).

What are some of the notable discoveries made by the Hubble Space Telescope?

  1. The age of the universe

  2. The existence of black holes

  3. The composition of distant stars

  4. All of the above


Correct Option: D
Explanation:

The Hubble Space Telescope has made numerous groundbreaking discoveries, including the age of the universe, the existence of black holes, and the composition of distant stars.

Which of the following is not a type of star that the Hubble Space Telescope has observed?

  1. Red dwarf

  2. White dwarf

  3. Neutron star

  4. Black hole


Correct Option: D
Explanation:

The Hubble Space Telescope cannot directly observe black holes, as they do not emit light. However, it can observe the effects of black holes on their surrounding environment.

What is the Hubble Deep Field image?

  1. An image of the oldest stars in the universe

  2. An image of the most distant galaxies in the universe

  3. An image of the center of the Milky Way galaxy

  4. An image of the surface of the Sun


Correct Option: B
Explanation:

The Hubble Deep Field image is an image of a small region of the sky that contains some of the most distant galaxies ever observed.

How many times has the Hubble Space Telescope been serviced by astronauts?

  1. 5

  2. 7

  3. 9

  4. 11


Correct Option: A
Explanation:

The Hubble Space Telescope has been serviced by astronauts five times, in 1993, 1997, 1999, 2002, and 2009.

What is the expected lifespan of the Hubble Space Telescope?

  1. 10 years

  2. 20 years

  3. 30 years

  4. 40 years


Correct Option: C
Explanation:

The Hubble Space Telescope was originally designed to have a lifespan of 15 years, but it has been extended to 30 years through servicing missions.

What is the name of the Hubble Space Telescope's successor?

  1. James Webb Space Telescope

  2. Nancy Grace Roman Space Telescope

  3. Wide Field Infrared Survey Telescope

  4. All of the above


Correct Option: A
Explanation:

The James Webb Space Telescope is the Hubble Space Telescope's successor, and it is scheduled to launch in 2022.

What is the Hubble Space Telescope's contribution to our understanding of the universe?

  1. It has helped us to determine the age of the universe.

  2. It has provided evidence for the existence of black holes.

  3. It has allowed us to study the composition of distant stars.

  4. All of the above


Correct Option: D
Explanation:

The Hubble Space Telescope has made significant contributions to our understanding of the universe in all of these areas.

How does the Hubble Space Telescope compare to ground-based telescopes?

  1. It has a larger aperture.

  2. It is not affected by atmospheric turbulence.

  3. It can observe objects in a wider range of wavelengths.

  4. All of the above


Correct Option: D
Explanation:

The Hubble Space Telescope has all of these advantages over ground-based telescopes.

What are some of the challenges faced by the Hubble Space Telescope?

  1. It is vulnerable to space debris.

  2. Its orbit is slowly decaying.

  3. Its instruments are aging.

  4. All of the above


Correct Option: D
Explanation:

The Hubble Space Telescope faces all of these challenges.

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