26 March 2023
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Latest News
  • [ 23 March 2023 ] A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour News
  • [ 22 March 2023 ] Japanese Hakuto-R moon lander slips into lunar orbit News
  • [ 21 March 2023 ] Analysis of Magellan data shows apparent volcanic activity on Venus News
  • [ 23 February 2023 ] Webb images M92, one of the Milky Way’s oldest globular clusters News
  • [ 20 February 2023 ] The Eskimo: observe one of winter’s best planetary nebulae News
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Hubble constant

Picture This

A rung on the cosmic measuring ladder

25 May 2022 Keith Cooper

When measuring the Hubble constant by mapping the properties of the cosmic microwave background radiation to the standard model of cosmology, astronomers get a value of about 69 kilometres per second per megaparsec.

News

More evidence of trouble at the heart of the standard model

15 June 2020 Astronomy Now

Astronomers have come up with another value for the Hubble constant, more evidence that the standard model of the cosmos and its expansion need revision

News

“Tension” increases with different measurement of Hubble constant

24 October 2019 Astronomy Now

The first use of adaptive optics to measure the Hubble constant appears to confirm a discrepancy in cosmologists’ understanding of how fast the universe is expanding.

News

Hubble constant mismatch no fluke; new physics may be needed

27 April 2019 Astronomy Now

More precise observations of pulsating Cepheid variable stars confirms a major discrepancy in values of the Hubble constant.

News

Gravity waves may help resolve Hubble constant conundrum

16 February 2019 Astronomy Now

Over the next 10 years, researchers say, gravitational waves from merging neutron stars may resolve discrepancies in the value of the Hubble constant.

News

IAU recommends renaming Hubble’s law to include Lemaître

29 October 2018 Astronomy Now

The International Astronomical Union has voted to recommend renaming Hubble’s law to the Hubble-Lemaître law to honour the cosmological contributions of Belgian astronomer Georges Lemaitre.

News

Black hole-neutron star mergers could resolve Hubble constant conflict

16 July 2018 Astronomy Now

MIT researchers say gravitational waves from black hole-neutron star mergers may allow astronomers to more accurately measure how fast the Universe is expanding, resolving currently conflicting measurements of the Hubble constant.

News

Cosmic mystery deepens with conflicting measurements of Hubble constant

13 July 2018 Astronomy Now

The Hubble constant indicates how fast the Universe is expanding in the wake of the Big Bang. New observations using two independent techniques have come up with different values, signs of possible problems with current theory.

News

Hubble data indicate universe growing faster than expected

23 February 2018 William Harwood

Time-consuming observations by the Hubble Space Telescope indicate the universe is expanding faster today than predicted by standard models of the big bang that incorporate dark energy.

News

Cosmic lenses support finding on faster than expected expansion of the Universe

30 January 2017 Stephen Clark

By using galaxies as giant gravitational lenses, an international group of astronomers using the Hubble Space Telescope have made an independent measurement of how fast the Universe is expanding. The newly measured expansion rate for the local Universe is consistent with earlier findings. These are, however, in intriguing disagreement with measurements of the early Universe.

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News Headlines

  • A simpler, more mundane explanation for ‘Oumuamua’s strange behaviour
    23 March 2023
  • Japanese Hakuto-R moon lander slips into lunar orbit
    22 March 2023
  • Analysis of Magellan data shows apparent volcanic activity on Venus
    21 March 2023
  • Webb images M92, one of the Milky Way’s oldest globular clusters
    23 February 2023
  • The Eskimo: observe one of winter’s best planetary nebulae
    20 February 2023
  • Home
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  • Spaceflight Now
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