Hubble Space Telescope and Exoplanets

Description: Test your knowledge about the Hubble Space Telescope and its discoveries related to exoplanets.
Number of Questions: 15
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Tags: astronomy hubble space telescope exoplanets
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What is the primary mission of the Hubble Space Telescope?

  1. To study the formation and evolution of galaxies.

  2. To observe distant objects in the universe.

  3. To search for exoplanets.

  4. To study the composition of stars.


Correct Option: B
Explanation:

The Hubble Space Telescope is primarily designed to observe distant objects in the universe, including galaxies, stars, and nebulae, in order to study their properties and evolution.

When was the Hubble Space Telescope launched?

  1. 1990

  2. 1995

  3. 2000

  4. 2005


Correct Option: A
Explanation:

The Hubble Space Telescope was launched on April 24, 1990, from the Kennedy Space Center in Florida.

What is the approximate size of the Hubble Space Telescope?

  1. 13 meters (43 feet) long

  2. 4 meters (13 feet) long

  3. 2 meters (6 feet) long

  4. 1 meter (3 feet) long


Correct Option: A
Explanation:

The Hubble Space Telescope is approximately 13 meters (43 feet) long and 4 meters (13 feet) in diameter.

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

  1. Gold

  2. Silver

  3. Glass

  4. Beryllium


Correct Option: D
Explanation:

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

What is the approximate weight of the Hubble Space Telescope?

  1. 11,000 kilograms (24,000 pounds)

  2. 5,000 kilograms (11,000 pounds)

  3. 2,000 kilograms (4,400 pounds)

  4. 1,000 kilograms (2,200 pounds)


Correct Option: A
Explanation:

The Hubble Space Telescope weighs approximately 11,000 kilograms (24,000 pounds).

How many servicing missions have been conducted on the Hubble Space Telescope?

  1. 5

  2. 7

  3. 9

  4. 11


Correct Option: A
Explanation:

There have been five servicing missions conducted on the Hubble Space Telescope, the last one being in 2009.

What is the name of the instrument on the Hubble Space Telescope that is primarily used to study exoplanets?

  1. Wide Field Camera 3 (WFC3)

  2. Advanced Camera for Surveys (ACS)

  3. Space Telescope Imaging Spectrograph (STIS)

  4. Near Infrared Camera and Multi-Object Spectrometer (NICMOS)


Correct Option: A
Explanation:

The Wide Field Camera 3 (WFC3) is the primary instrument on the Hubble Space Telescope used to study exoplanets.

Which of the following is NOT a method used by the Hubble Space Telescope to detect exoplanets?

  1. Transit method

  2. Radial velocity method

  3. Microlensing method

  4. Direct imaging method


Correct Option: D
Explanation:

The Hubble Space Telescope is not capable of directly imaging exoplanets due to their small size and distance from Earth.

What is the name of the first exoplanet discovered by the Hubble Space Telescope?

  1. 51 Pegasi b

  2. HD 209458 b

  3. OGLE-TR-56b

  4. TrES-1


Correct Option: A
Explanation:

51 Pegasi b was the first exoplanet discovered by the Hubble Space Telescope in 1995.

What is the approximate mass of 51 Pegasi b?

  1. 0.5 Jupiter masses

  2. 1 Jupiter mass

  3. 2 Jupiter masses

  4. 4 Jupiter masses


Correct Option: A
Explanation:

51 Pegasi b has a mass of approximately 0.5 Jupiter masses.

What is the orbital period of 51 Pegasi b?

  1. 4 days

  2. 10 days

  3. 20 days

  4. 30 days


Correct Option: A
Explanation:

51 Pegasi b has an orbital period of approximately 4 days.

How many exoplanets have been discovered by the Hubble Space Telescope to date?

  1. Over 100

  2. Over 500

  3. Over 1,000

  4. Over 2,000


Correct Option: D
Explanation:

As of 2023, the Hubble Space Telescope has discovered over 2,000 exoplanets.

What is the name of the exoplanet that is known to have a retrograde orbit around its star?

  1. HD 80606 b

  2. WASP-12b

  3. HAT-P-7b

  4. GJ 876 b


Correct Option: A
Explanation:

HD 80606 b is the first exoplanet discovered to have a retrograde orbit around its star.

Which of the following is NOT a characteristic of exoplanets discovered by the Hubble Space Telescope?

  1. Most exoplanets are gas giants.

  2. Some exoplanets are rocky.

  3. Some exoplanets have atmospheres.

  4. All exoplanets are located within our solar system.


Correct Option: D
Explanation:

Exoplanets discovered by the Hubble Space Telescope are located outside our solar system.

What is the significance of the Hubble Space Telescope's discoveries of exoplanets?

  1. It has confirmed the existence of exoplanets.

  2. It has provided valuable information about the properties of exoplanets.

  3. It has helped us understand the formation and evolution of planetary systems.

  4. All of the above


Correct Option: D
Explanation:

The Hubble Space Telescope's discoveries of exoplanets have had a profound impact on our understanding of the universe, confirming the existence of exoplanets, providing valuable information about their properties, and helping us understand the formation and evolution of planetary systems.

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