Exoplanets
2 years ago
mrjennings33
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15 QuestionsShow answers
  • Question 1
    20 seconds
    Q.

    Are there other planets out there in the universe besides the ones in our solar system?

    answer choices

    It depends on which country you are in.

    Yes

    No

    Maybe

  • Question 2
    20 seconds
    Q.

    What is the problem with seeing planets orbiting other stars?

    answer choices

    They are faint

    They are sitting right on top of their parent star

    They are really far away

    All of these answers are correct

  • Question 3
    20 seconds
    Q.

    How can you discover planets outside of our solar system?

    answer choices

    Directly

    Indirectly

  • Question 4
    45 seconds
    Q.

    What is reflexive motion?

    answer choices

    The bigger object of a pair of orbiting objects making a huge circle as the smaller objects gravity pulls on it.

    The smaller object of a pair of orbiting objects makes no circle as the bigger objects gravity pulls on it.

    The smaller object of a pair of orbiting objects making a small circle as the bigger objects gravity pulls on it.

    The bigger object of a pair of orbiting objects making a small circle as the smaller objects gravity pulls on it.

  • Question 5
    20 seconds
    Q.

    The first planets that were discovered outside of our solar system were found orbiting what? And what year were they discovered?

    answer choices

    A Red Giant in 1992

    A pulsar in 1972

    A pulsar in 1992

    A Red Giant in 1972

  • Question 6
    20 seconds
    Q.

    What are planets outside our solar system officially called?

    answer choices

    Ecoplanets

    Exoplanets

    Alien Worlds

    Exoworlds

  • Question 7
    20 seconds
    Q.

    What was the name of the first Sun-like star to have an exoplanet discovered and what year was it discovered?

    answer choices

    51 Peg in 1995

    41 Peg in 1995

    51 Peg in 1994

    41 Peg in 1992

  • Question 8
    20 seconds
    Q.

    What is one way exoplanets are indirectly detected?

    answer choices

    The Hubble Space Telescope

    Infrared Waves

    X-Rays

    The doppler shift

  • Question 9
    20 seconds
    Q.

    What are large, short-period exoplanets called?

    answer choices

    Big Hotties

    Hot Jupiters

    Hot Saturns

    Hot Exoplanets

  • Question 10
    20 seconds
    Q.

    What is it called when a planet crosses directly in front of it's star?

    answer choices

    a Hot Jupiter

    an eclipse

    a direct line

    a transit

  • Question 11
    20 seconds
    Q.

    What is the name of the space telescope that was designed to search for exoplanets? And in what year was it launched?

    answer choices

    Kepler in 1999

    Exodetector in 2009

    Kepler in 2009

    Hubble in 1999

  • Question 12
    20 seconds
    Q.

    Have any exoplanets been seen directly and photographed?

    answer choices

    Yes

    No

  • Question 13
    20 seconds
    Q.

    How many exoplanets do scientists believe might there be in our galaxy?

    answer choices

    Hundreds of millions

    Hundreds of billions

    Billions of billions

    Millions of billions

  • Question 14
    20 seconds
    Q.

    How many earth-like exoplanets might there be in our galaxy?

    answer choices

    1 billion

    10 thousand

    10 billion

    10 million

  • Question 15
    20 seconds
    Q.

    What is the most successful way to discover exoplanets?

    answer choices

    Transits

    Spacecraft fly-bys

    Direct pictures

    Doppler Shift

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