Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Dark energy: recent observations and future prospects.

Saul Perlmutter1

  • 1Physics Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|December 12, 2003
PubMed
Summary

Scientists are investigating dark energy, the force accelerating the universe's expansion, using type-Ia supernovae. Future surveys aim for precision measurements to unravel dark energy's nature by controlling systematic uncertainties.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Protecting scientific integrity in an age of generative AI.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Blind analysis: Hide results to seek the truth.

Nature·2015
See all related articles

Area of Science:

  • Cosmology
  • Astrophysics
  • Particle Physics

Background:

  • The accelerating expansion of the Universe is attributed to dark energy, a major puzzle in modern physics.
  • Type-Ia supernovae (SNe) measurements initially revealed this cosmic acceleration.
  • Understanding dark energy requires precise measurements of the Universe's expansion history.

Purpose of the Study:

  • To review progress in using type-Ia supernovae to study dark energy.
  • To examine the potential of future supernova surveys for dark energy research.
  • To address the challenge of systematic uncertainties in cosmological measurements.

Main Methods:

  • Utilizing type-Ia supernovae as standard candles to measure cosmic distances.
  • Analyzing supernova data to reconstruct the expansion history of the Universe.

Related Experiment Videos

  • Focusing on minimizing and bounding systematic uncertainties in measurements.

    • Main Results:

    • Type-Ia supernovae provide a direct probe of cosmic expansion history.
    • Achieving high precision and accuracy is crucial due to small differences predicted by dark energy models.
    • Well-understood systematic uncertainties in supernova measurements are advantageous for future studies.

    Conclusions:

    • Future supernova surveys hold promise for advancing our understanding of dark energy.
    • Controlling systematic uncertainties is key to unlocking the secrets of dark energy.
    • Continued research with large numbers of supernovae and bounded systematics is essential.